Astronomical Data Center

ADCADC/CDS Standard Document for Catalog:
/catalogs/1/1141/

The following is the "ReadMe" document that describes this ADC catalog. You can access the files described here in three ways:

1. Use the ADC Data Viewer Suite to visualize the data. [preview
2. Get the data files via anonymous FTP. (See Note.) [ftp


I/141       Yale Zone Catalogues Integrated    (Yale Univ 1939-1983; ADC 1989)
================================================================================
Catalogue of 8101 Stars -10 to -14 deg    
     Schlesinger F., Barney I. 
     <Trans. Astron. Obs. Yale Univ. 11 (1939)>
     =1939QB4.Y2v11......
Catalogue of 8563 Stars -14 to -18 deg
     Schlesinger F., Barney I. 
     <Trans. Astron. Obs. Yale Univ. 12, Part I (1940)>
     =1940QB4.Y2v12n1....
Catalogue of 4553 Stars, -18 to -20 deg
     Schlesinger F., Barney I. 
     <Trans. Astron. Obs. Yale Univ. 12, Part II (1940)>
     =1940QB4.Y2v12n2....
Catalogue of 4292 Stars, -20 to -22 deg   
     Schlesinger F., Barney I.
     <Trans. Astron. Obs. Yale Univ. 13, Part I (1943)>
     =1943QB4.Y2v13p1....
Catalogue of 9455 Stars, -27 to -30 deg
     Schlesinger F., Barney I.
     <Trans. Astron. Obs. Yale Univ. 13, Part II (1943)>
     =1943QB6.S377.......
Catalogue of 15110 Stars, -22 to -27 deg
     Schlesinger F., Barney I.
     <Trans. Astron. Obs. Yale Univ. 14 (1943)>
     =1943QB4.Y2v14......
Catalogue of 8248 Stars, -6 to -10 deg
     Barney I.
     <Trans. Astron. Obs. Yale Univ. 16 (1945)>
     =1945QB4.Y2v16......
Catalogue of 8108 Stars, -2 to -6 deg
     Barney I. 
     <Trans. Astron. Obs. Yale Univ. 17 (1945)>
     =1945QB4.Y2v17......
Catalogue of 9092 Stars, +15 to +20 deg
     Barney I.    
     <Trans. Astron. Obs. Yale Univ. 18 (1947)>
     =1947QB4.Y2v18......
Catalogue of 8967 Stars, +10 to +15 deg
     Barney I.
     <Trans. Astron. Obs. Yale Univ. 19 (1948)>
     =1948QB4.Y2.v19.....
Catalogue of 7996 Stars, +1 to +5 deg
     Barney I.
     <Trans. Astron. Obs. Yale Univ. 20 (1949)>
     =1949QB4.Y2v20......
Catalogue of 5583 Stars, -2 to +1 deg
     Barney  I.
     <Trans. Astron. Obs. Yale Univ. 21 (1950)>
     =1950QB4.Y2v21......
Catalogue of 9060 Stars, +5 to +9 deg
     Barney  I.
     <Trans. Astron. Obs. Yale Univ. 22, Part I (1950)>
     =1950QB4.Y2v22p1....
Catalogue of 1904 Stars, +9 to +10 deg       
     Barney  I.
     <Trans. Astron. Obs. Yale Univ. 22, Part II (1950)>
     =1950QB4.Y2v22p2.... 
Supplementary Volume to the Yale Zone Catalogues, -30 to +30 deg      
     Barney  I.
     <Trans. Astron. Obs. Yale Univ. 23 (1951)>
     =1951QB4.Y2v23......
Revised Catalogue of 10358 Stars, +25 to +30 deg
     Barney  I.
     <Trans. Astron. Obs. Yale Univ. 24 (1953)>
     =1953QB4.Y2v24......
Revised Catalogue of 8703 Stars, +20 to +25 deg     
     Barney  I. 
     <Trans. Astron. Obs. Yale Univ. 25 (1954)>
     =1954QB4.Y2v25......
Catalogue of 1031 Stars, +85 to +90 deg
     Barney  I.,  van Woerkom  A.J.J.  
     <Trans. Astron. Obs. Yale Univ. 26, Part I (1954)>
     =1954QB4.Y2v26p1....
Catalogue of 8380 Stars, +50 to +55 deg
     Barney  I., Hoffleit  D., Jones R.B.
     <Trans. Astron. Obs. Yale Univ. 26, Part II (1959)>
     =1959QB4.Y2v26p2....
Catalogue of 8164 Stars, +55 to +60 deg
     Barney I., Hoffleit D.,  Jones R.B.
     <Trans. Astron. Obs. Yale Univ. 27 (1959)>
     =1959QB4.Y2v27......
Catalogue of the Positions and Proper Motions of Stars Between 
Declinations -30 and -35 deg     
     Hoffleit D.
     <Trans. Astron. Obs. Yale Univ. 28 (1967)>
     =1967QB4.Y2v28......
Catalogue of the Positions and Proper Motions of Stars Between 
Declinations -35 and -40 deg
     Hoffleit D. 
     <Trans. Astron. Obs. Yale Univ. 29 1968)>
     =1968QB4.Y2v29......
Catalogue of the Positions and Proper Motions of Stars Between 
Declinations -40 and -50 deg
     Hoffleit D. 
     <Trans. Astron. Obs. Yale Univ. 30 (1970)>
     =1970cppm.book.....H
Catalogue of the Positions and Proper Motions of Stars Between 
Declinations -70 and -90 deg
     Lu P.K. 
     <Trans. Astron. Obs. Yale Univ. 31 (1971)>
     =1971cppm.book.....L
Catalogue of the Positions and Proper Motions of Stars Between 
Declinations -60 and -70 deg
     Fallon F.W.
     <Trans. Astron. Obs. Yale Univ. 32, Part II (1983)>
     =1983TOYal..322...1F
================================================================================
ADC_Keywords: Positional data ; Proper motions

Description:
    The various volumes of the Yale Zone Catalogues have been combined
    into a single, homogeneous, machine-readable volume, sorted by
    position, containing the information common to most of the volumes.
    Additional data are provided in separate files. The notes have been
    transcribed into a machine-readable form. Errors detected in the
    course of the preparation of the catalogue, as well as previously
    known errors, have been corrected, and supplementary data have been
    added.

Introduction:
    In  the late 1920s  Yale University Observatory  started to photograph
    the  sky in large fields to determine positions and proper motions for
    stars in  the Astronomische Gesellschaft  (AG) zones. Most  of the sky
    has  now been measured and the  positions and proper motions published
    in  various  volumes  of  the  Transactions  of  the  Yale  University
    Observatory.  Because the preparation of these volumes extended over a
    44-year period, the  format and  the contents  changed with  the time.
    Hence, it  appeared desirable for the ADC  to create a single, uniform
    catalog that would contain  most  of  the  information  and  could  be
    accessed by right ascension as well as by declination.

    Most of  the printed volumes are arranged  by AG number. These numbers
    are retained  with  the  addition  of  a  two-letter  abbreviation  to
    indicate the AG  volume from which  the number is  taken. Because some
    stars lack an AG number, a running number also has been added for each
    volume and it  is the running  number, preceded by  the volume number,
    which  is used for references to notes and other tables and files. The
    remaining volumes,  in the  far south,  retain their  original running
    numbers.


File Summary:
--------------------------------------------------------------------------------
FileName        Lrecl  Records   Explanations
--------------------------------------------------------------------------------
ReadMe             80        .   This file
doc.txt            79     1681   Original ASCII Document (more detailed)
doc.tex            80     1467   LaTeX Document
adc.sty            78       68   ADC Style File
yale00.dat         80    28880  *Basic yalezone data: RA = 0-4h
yale04.dat         80    43846  *Basic yalezone data: RA = 4-8h
yale08.dat         80    38426  *Basic yalezone data: RA = 8-12h
yale12.dat         80    32538  *Basic yalezone data: RA = 12-16h
yale16.dat         80    41956  *Basic yalezone data: RA = 16-20h
yale20.dat         80    35692  *Basic yalezone data: RA = 20-24h
notes.dat          80     7237   Notes for basic catalog
north.dat          24     1031   Addenda +85 to +90
equator.dat        12   103451   Addenda -30 to +20
s50_30.dat         18    42369   Addenda -50 to -30
s70_60.dat         50    14597   Addenda -70 to -60
south.dat          49    18702   Addenda -90 to -70
wdsstars.dat       23    18188   WDS and ADS numbers
gcvsstar.dat       18      902   GCVS stars names
change.dat         42      226  *Changes from USNO tape
--------------------------------------------------------------------------------
Note on yale00.dat, yale04.dat, yale08.dat, yale12.dat, yale16.dat, yale20.dat:
   These catalogs contain the data fields in common to most of the catalog
   volumes. The files north.dat, equator.dat, s50_30.dat, s70_60.dat, and
   south.dat contain data unique to their respective ranges.
Note on change.dat:
   change.dat lists the changes between the original USNO tapes and the
   current machine-readable version. All changes have resulted from work at
   the Astronomical Data Center either during the analysis of this
   catalogue or the analysis of the SAO catalogue except for the changes to
   records: 28 3423, 29 9575, and 19 3330, which are from Parsons (1977);
   221 144 and 19 75, for which the errors were pointed out by D. Dunham
   (private communication); and 18 108, 19 5005, 20 2533, 21 5233, 21 5234,
   and 262 4749, which are included in Bischoff (1972). In Trans. Astron.
   Observ. Yale Univ. 30, a number of DM numbers are given incorrectly in
   the main table, but the notes state that they should be changed in Perth.
   These DM numbers are corrected in the integrated catalogue and
   the corrections are repeated in the notes but are not listed in
   change.dat.

Byte-by-byte Description of file: yale00.dat, yale04.dat, yale08.dat
Byte-by-byte Description of file: yale12.dat, yale16.dat, yale20.dat
------------------------------------------------------------------------------
   Bytes    Format    Units     Label    Explanations
--------------------------------------------------------------------------------
   1-  2     I2       ---       vol      Volume number in which star is found
       3     I1       ---       vol_pt   ?Volume part in which star is found
   4-  8     I5       ---       ID      *Star number
       9     A1       ---     n_ID      *Note on star
      10     A1       ---     f_ID      *[WBV ] Star is variable and/or in WDS
  11- 15     I5       ---       AG       ?AG number
  16- 17     A2       ---     n_AG      *Indicates AG vol. and other inform.
  18- 19     I2       h         RAh     *Right ascension hours (B1950)
  20- 21     I2       min       RAm     *Right ascension minutes (B1950)
  22- 27     F6.3     s         RAs     *[00000-59999]Right ascension seconds
      28     A1       ---       DE-     *Declination sign
  29- 30     I2       deg       DEd     *Declination degrees (B1950)
  31- 32     I2       arcmin    DEm     *Declination minutes (B1950)
  33- 37     F5.2     arcsec    DEs      [0000-5999]Declination minutes (B1950)
  38- 44     F7.2     a         Ep      *Epoch
  45- 50     F6.3     arcsec/a  pmRA     ?Proper motion in right ascension
  51- 56     F6.3     arcsec/a  pmDE     ?Proper motion in declination
  57- 61     F5.2     mag       Vmag    *?Visual magnitude
  62- 66     F5.2     mag       Pmag    *?Photographic magnitude
  67- 69     A3       ---       Sp      *Spectral type
  70- 71     A2       ---       cat     *DM or ME catalog code
  72- 80     A9       ---       cat_no  *DM or ME designation
--------------------------------------------------------------------------------
Note on ID:
   Throughout this document and the data files that it describes, records
   are identified by the eight-byte number consisting of the volume number,
   the volume part (or blank), and the running number within the part
   (i.e., the first eight bytes of these records). In other tables, this
   eight-byte number is simply called the "star number".
Note on n_ID:
   Information not provided in the original note has been added.
   "Not in the WDS" is always an addition but is not marked.
   ---------------------------------------------------------------------------
   Code    Volume                        Meaning
   ---------------------------------------------------------------------------
   N       All       A note exists for this star in notes.txt
   G       All       This star is in the General Catalogue (GC)
                     (Boss 1937, Cat. <I/113>).
   C       All       A change has been made to this record. If a component
                     letter has been entered for a pair of stars with the
                     same DM number, which is not in the Washington Double
                     Star Catalog, no additional information is provided.
                     All other changes are listed in change.dat.
    A       All      The star is in the New General Catalogue of Double Stars
                     (Aitkin 1932) (ADS), but the number is not given in the
                     notes.
    m       13       The spectral type has been determined by Miss Cannon.
    m       14       The spectral type was determined by Mrs. Mayall.
    g       17       The spectral type was determined by Dr. Goedicke.
    v    18,19,20,   The spectrum and magnitudes are from the Leander
           21,22     McCormick Observatory.
    a       24       The star is in the appendix of the Cambridge AG Catalog,
                     page 299.
    c       24       The star is not in the Cambridge AG Catalog but was
                     added to fill sparse regions.
    e       24       The position from the Greenwich 1910 Catalogue was not
                     used.
    r       24       The star is not in the Greenwich 1910 Catalogue.
    :       24       The star is not in the Second Catalogue of the
                     Astronomischen Gesellschaft (AG2). The positions are
                     derived from the Trans. Astron. Obs. Yale Univ. 9 but
                     reduced to the FK3 system.
    c       25       The star is not in the Berlin B Catalog but was added to
                     help fill sparse regions. No proper motions are given
                     for these stars. The magnitude is from the BD.
    *       25       The proper motion is derived from the mean of the
                     positions in Trans. Astron. Obs. Yale Univ. 10 and the
                     AG2.
    Y       25       The star is not in the AG2; the proper motions are from
                     Yale only.
    *      261       The proper motion depends only on the Yale position and
                     the position for the epoch 1930.
    Q    28,29,30    Only a single plate was measured.
    Y    28,29,30    The proper motion is based on Yale only.
    H       30       The star is in both the GC and in Luyten's Bruce Proper
                     Motion Survey (1938 1941).
    L       30       The star is in the Bruce Proper Motion Survey.
    R       30       The star was used as a reference star.
    S       30       The star is in the GC and was used as a reference star.
    T       30       The star is in the Bruce Proper Motion Survey and the GC
                     and was used as a reference star.
    U       30       The star is in Luyten's Bruce Proper Motion Survey and
                     was used as a reference star.
    M       31       More than one Melbourne Catalogue was used for proper
                     motion reduction.
    P       31       The indicated large proper motion has not been confirmed
                     in a search of other proper motion catalogues.
    M      322       A visual magnitude is not present in the Cape Photo
                     graphic Catalogue (CPC) (Jackson and Stoy 1954 1958); it
                     has been derived from the photographic magnitude and the
                     color index. If both the magnitude and the color index
                     are missing, the visual magnitude was constructed from
                     the photographic magnitude and the spectral type.
   ---------------------------------------------------------------------------
Note on f_ID:
   V = Star is in the General Catalogue of Variable Stars (third edition),
       (Kukarkin 1969-70)
   B = The star is in both the WDS and the GCVS
   W = The star is present in the Washington Double Star Catalog (1984
       edition) (Worley 1984) (WDS). If more than one star in this file has
       the same DM number and the star is in the WDS, both stars will have a W.
Note on RAh, RAm, RAs, DE-, DEd, DEm, DEs, Ep:
   The coordinates on the B1950 system are given for the epoch, Ep.
   Proper motions must be applied to change the epoch.
Note on Vmag:
   The visual magnitude as given in the printed catalogue or as derived
   from the photographic magnitude minus the color index. A magnitude of
   30.0 indicates that the star is variable.
Note on Pmag:
   The photographic magnitude as given in the published catalogue or as
   derived from the visual magnitude plus the color index. A magnitude
   of 30.0 indicates that the star is variable.
Note on Sp:
   The spectral type as given in the printed volume. "Cmp" indicates
   that the spectrum is composite; additional information is usually
   given in the notes. Hoffleit (private communication) points out that
   many A-type stars listed with two different HD numbers, indicating a
   composite, are actually Am stars Sp cat
Note on cat:
   BD  =  Bonner or Southern Durchmusterung
   CD  =  Cordoba Durchmusterung
   CP  =  Cape Photographic Durchmusterung
   ME  =  Melbourne Astrographic Catalogue
Note on cat_no:
   The DM and ME designations are in the same field. The format for the DM
   designations is:
      65-67       I3       ---        DM_zone  DM zone
      68-72       I5                  DM_no    DM number
         73       A1                  DM_comp  DM component
   Note on DM_comp:
      If two or more records have the same DM number, a letter appears in
      this byte to distinguish the components. If the system is in the WDS,
      the same component letters are added as in that catalogue and no
      other indication of the change is given; otherwise, the brighter or
      western star is labeled A and an indication is given either by C in
      byte 9 or in the notes that the star is not in the WDS.
   The Melbourne Astrographic Catalogue number is in the form PPPPNNNN,
      where PPPP stands for a four- digit plate number, and NNNN stands for a
      four- DM digit number for the star on that plate. Number In the form
      SZZNNNNN. Where S is the sign, ZZ the zone, and NNNN the sequential
      number within the zone.

Note on n_AG:
   CODE       CATALOGUE
   AG     Algiers: Rambaud, C., and Sy, F. 1924, Katalog der Astronomischen
             Gesellschaft, II Abth., No. 5
   AL     Albany: Boss, L. 1890, Catalog der Astronomischen Gesellschaft, I
             Abth.,No. 14
   BA     Berlin A: Auwers, A. 1896, Catalog der Astronomischen Gesellschaft,
             I Abth., No. 11
   BB     Berlin B: Becker, E. 1895, Catalog der Astronomischen Gesellschaft,
              I Abth., No. 10
   CA     Cordoba A: Perinne, C.D. 1913, Resultados del Observatorio Nacional
             Argentino en Cordoba 22
   CB     Cordoba B: 1914, Resultados del Observatorio Nacional Argentino en
             Cordoba 23
   CE     Jackson, J., and Stoy, R.H. 1954, Cape Photographic Catalogue for
             1950.0. Zone -30 to -35 deg, Ann. of the Cape Obs. 17
          Jackson, J., and Stoy, R.H. 1954, Cape Photographic Catalogue for
             1950.0. Zone -35 to -40 deg, Ann. of the Cape Obs. 18
          Jackson, J., and Stoy, R.H. 1958, Cape Photographic Catalogue for
             1950.0. Zone -56 to -64 deg, Ann. of the Cape Obs. 20
          Stoy, R.H. 1966, Cape Photographic Catalogue for 1950.0. Zone -64 to
             -80 deg, Ann. of the Cape Obs. 21
   CM     Cambridge (E): Graham, A. 1897, Catalog der Astronomischen
             Gesellschaft, I Abth., No. 9
   CZ     Gill, D., and Hough, S. S. 1923, Cape Zone Catalogue 1900: Zone
             Catalogue of 2084 Stars Included Between 40 and 52deg of South
             Declination
   HA     Harvard: Rogers, W. A. 1892, Catalog der Astronomischen Gesellschaft,
             I Abth., No. 5
   HG     Helsingfors-Gotha: Kruger, A. 1890, Catalog der Astronomischen
             Gesellschaft, I Abth., No. 4
   HV     Harvard: Searle, A. 1912, Katalog der Astronomischen Gesellschaft, II
             Abth., No. 3
   LO     Leipzig I: Bruns, H., and Peter, B. 1900, Catalog der Astronomischen
             Gesellschaft, I Abth., No. 12
   LT     Leipzig II: Bruns, H., and Peter, B. 1899, Catalog der Astronomischen
             Gesellschaft, I Abth., No. 13
   ME     Baldwin, J.M. 1956, Melbourne Astrographic Catalogue, 1900.0. 5, Zones
             -73 and -74 deg
          Wood, H. 1958, Melbourne Astrographic Catalogue, 1900.0. 6, Zones -75,
              -76, and -77 deg
          Wood, H. 1958, Melbourne Astrographic Catalogue, 1900.0. 7, Zones -78,
              -79, -80, and -81 deg
          Wood, H. 1963, Melbourne Astrographic Catalogue, 1900.0. 8, Zones -82
              to -90 deg
   NI     Nicolayew: Kortazzi, J. 1900, Catalog der Astronomischen Gesellschaft,
              I Abth., No. 15
   ST     Strassburg: Becker, E. 1906, Katalog der Astronomischen Gesellschaft,
              II Abth., No. 1
   WA     Washington: Skinner, A.N. 1908, Katalog der Astronomischen
              Gesellschaft, II Abth., No. 4
   WO     Wien-Ottakring: Ball, L. 1904, Katalog der Astronomischen
             Gesellschaft, II Abth., No. 2
--------------------------------------------------------------------------------

Byte-by-byte Description of file: notes.dat
--------------------------------------------------------------------------------
  Bytes   Format   Units    Label   Explanations
--------------------------------------------------------------------------------
  1-  8    A8      ---      ID      Star identification (see
                                     "Note on ID" section above)
      9    I1      ---      line    Number of lines in message
     10    A1      ---    n_ID      Note code (see "Note on n_ID" section above)
 12- 80    A69     ---      note    Note
--------------------------------------------------------------------------------

Byte-by-byte Description of file: north.dat
--------------------------------------------------------------------------------
   Bytes   Format   Units    Label  Explanations
--------------------------------------------------------------------------------
   1-  8    A8      ---        ID    Star number
                                      (see "Note on ID" section above)
   9- 16    I8      arcsec     X     X = 206264.81" cos(alpha) cot(delta)
  17- 24    I8      arcsec     Y     Y = 206264.81" sin(alpha) cot(delta)
--------------------------------------------------------------------------------

Byte-by-byte Description of file: equator.dat
--------------------------------------------------------------------------------
   Bytes   Format   Units    Label     Explanations
--------------------------------------------------------------------------------
   1-  8    A8      ---        ID      Star number
                                         (see "Note on ID" section above)
   9- 10    I2      mas/a    e_pmRA    ?Mean error in right ascension
  11- 12    I2      mas/a    e_pmDE    ?Mean error in declination
--------------------------------------------------------------------------------

Byte-by-byte Description of file: s50_30.dat
--------------------------------------------------------------------------------
   Bytes  Format   Units      Label     Explanations
--------------------------------------------------------------------------------
   1-  8    A8      ---        ID       Star number
                                           (see "Note on ID" section above)
   9- 13    I5      0.1ms/a    pmRA     ?Yale proper motion in  right
                                           ascension
  14- 18    I5      mas/a      pmDE     ?Yale proper motion in declination
--------------------------------------------------------------------------------

Byte-by-byte Description of file: s70_60.dat
--------------------------------------------------------------------------------
   Bytes     Format   Units      Label     Explanations
--------------------------------------------------------------------------------
   1-  8      A8      ---        ID        Star number
                                            (see "Note on ID" section above)
   9- 10      I2      ---      o_im        Number of images measured
  11- 12      I2      ---      o_pl        Number of plates measured
  13- 48      18I2    ---        pl       *Plates measured
      49      I1      ---      n_ID       *Reduction code
      50      A1      ---      n_pm       *Proper motion code
--------------------------------------------------------------------------------
Note on pl:
   Eighteen two-digit numbers identifying plates on which images were
   measured. If the number measured is less than 18, a zero fill is used
   for blank fields.
Note on n_ID:
   For the vast majority of stars, the positions were derived directly in
   the reduction. For these stars, the field star code is "0". If the star
   appears on only one plate for which no reference position data are
   available, the position has been derived from the plate constants for
   the plate on which it appears (i.e., the classical method). For these
   stars, the field star code is "1".
Note on n_pm:
   A = Proper motion taken directly from the CPC, because the star does not
       occur in the La Plata catalogs. This value is given only for
       convenience.  It is not on the same system as the other proper
       motions. It should not be used in any statistical treatment of the
       material.
   B = The proper motion is derived from the difference between the Yale
       and La Plata positions.
   C = The proper motions are also derived from the difference between
       the Yale and the La Plata positions, but the latter is a mean
       of two values in overlapping zones. The epoch for the position
       is also the mean of those for the two zones.
   D = The La Plata position is from the NFK (Peters 1907) and is not on
       the system of the La Plata catalog. Thus, the proper motion is
       derived from the NFK and Yale positions.
   E = The star appears on both Yale (1942) and Sydney (1962) plates. The
       proper motion is from the difference in position between these
       plates.
   F = The proper motion is from the difference between the mean of the
       Yale and Sydney positions and the La Plata position.
--------------------------------------------------------------------------------

Byte-by-byte Description of file: south.dat
--------------------------------------------------------------------------------
   Bytes     Format   Units      Label     Explanations
--------------------------------------------------------------------------------
   1-  8      A8      ---        ID        Star number
                                            (see "Note on ID" section above)
   9- 10      A2      ---        cat      *CP identifier
  11- 18      A8      ---        CP_no    *CP number
  19- 20      A2      ---        cat_id    [CDEM ]CD or ME catalog identifier
  21- 28      A8      ---        cat_no   *CD or ME number
  29- 33      F5.3    s        e_RA        ?Probable error in right ascension
  34- 37      F4.2    arcsec   e_DE        ?Probable error in declination
  38- 39      I2      ---      o_im       *Number of images
  40- 41      I2      ---      o_gim      *?Number of grating images
  42- 44      A3      ---      r_pm       *Source catalog for proper motions
  45- 49      I5      ---        pm_no     ?Number in source catalog
--------------------------------------------------------------------------------
Note on cat:
   The addendum gives the CD number and/or the CP or Melbourne Astrographic
   Catalogue number, signified by the letters "CP" in bytes 9-10, and
   "CD" or "ME" in bytes 19-20.
Note on CP_no and cat_no:
   The CP and CD numbers are in the form SZZNNNNN. Melbourne Catalogue
   numbers are in the form PPPPNNNN, where PPPP stands for a four-digit
   plate number, and NNNN stands for a four-digit number for the star on
   that plate.
Note on o_im:
   The total number of central images plus the number of pairs of grating
   (spectral) images measured.
Note on o_gim:
   The number of pairs of grating images measured.
Note on r_pm:
   GFH = Haas, J., Dick, J., and Felsman, G. 1937-1964, Geschichte
         des Fixsternhimmels, Deutschen Akademie des Wissenschaften zu
         Berlin.
   GIZ = Gilliss, 1895, Washington Observations for 1900, Appendix I.
   MAC = Baldwin, J.M. 1926-1958 Melbourne Astrographic Catalogue
         1900.0 Vols. 3-8 inclusive; star selected explicitly for
         measurement.
   MAF = Same as MAC, used in the proper motion determination for
         CPD stars.
   Me3 = Baracchi, P. 1917, Third Melbourne General Catalogue of
         3068 Stars for the Equinox 1890.
   Me4 = Fourth Melbourne General Catalogue (private distribution).
   Me5 = Fifth Melbourne General Catalogue (private distribution).
   CP,LAD = Catalogo La Plata D (Manganiello 1936).
   LAE = Catalogo La Plata E (Tapia 1947).
--------------------------------------------------------------------------------

Byte-by-byte Description of file: wdsstars.dat
--------------------------------------------------------------------------------
   Bytes     Format   Units      Label     Explanations
--------------------------------------------------------------------------------
   1-  8      A8      ---        ID        Star number
                                            (see "Note on ID" section above)
  10- 16      A7      ---        WDS      *Double star name
      17      A1      ---        WDS_comp *Double star component
  19- 23      I5      ---        ADS       ?Aitken Double Star number
--------------------------------------------------------------------------------
Note on WDS:
   The discoverer code and number as given in the WDS.
Note on WDS_comp:
   The component to which the HD and ADS numbers refer if they differ by
      component.
--------------------------------------------------------------------------------

Byte-by-byte Description of file: gcvsstar.dat
--------------------------------------------------------------------------------
   Bytes     Format   Units    Label     Explanations
--------------------------------------------------------------------------------
   1-  8      A8      ---        ID      Star number 
                                           (see "Note on ID" section above)
  10- 14      A5      ---        GCVS    Variable star number or letter(s)
  16- 18      A3      ---        cons    Constellation
--------------------------------------------------------------------------------

Byte-by-byte Description of file: change.dat
--------------------------------------------------------------------------------
   Bytes     Format   Units    Label     Explanations
--------------------------------------------------------------------------------
   1-  8      A8      ---      ID        Star number
                                           (see "Note on ID" section above)
  11- 19      A9      ---      field     Field in error
  21- 30      A10     ---      error     Erroneous entry
  32- 42      A11     ---      value     Correct value
--------------------------------------------------------------------------------

Acknowledgments:
   We thank E. Dorrit Hoffleit for assistance from time to time throughout
   the preparation of this integrated catalogue, both in explaining some
   areas of confusion and in checking the accuracy of certain data. We also
   thank David Herald for calling our attention to the erroneous magnitudes
   in 32, Part II, and H. Jahreiss and T. Corbin for checking the positions
   of several stars in various other catalogues. The SIMBAD data bank of
   the Centre de Donnees Astronomiques de Strasbourg was helpful,
   particularly for correcting the magnitudes in Trans. Astron. Obs. Yale
   Univ. 32, Part II. This is derived from doc.txt, also prepared by the
   undersigned.

References:
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      Institution of Washington, Pub. No. 417, 1-2, Washington, D.C.
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      Sektion, Astronomischen Beobachtungen auf der Sternwarte des Koniglichen
      Rhein., Friedrich-Wilhelms-Universitat zu Bonn, Bande 3-5.
      (Cat. <I/122>)
   Becker F. 1949, Bonner Durchmusterung, Sudlicher Teil,
      Deklinations-Zonen -2 deg bis -22 grade Sternverzeichnis, zweite,
      berichtigte Auflage, Ferd. Dummlers Verlag, Bonn.
      (Cat. <I/119>)
   Becker F. 1951, Bonner Durchmusterung, Nordlicher Teil,
      Deklinations-Zonen -1 bis +89 grade Sternverzeichnis, dritte,
      berichtigte Auflage, Ferd. Dummlers Verlag, Bonn.
      (Cat. <I/122>)
   Bischoff M., 1937, Bulletin d'Information du Centre de Donnees
      Stellaires No.3, p.2.
   Boss B., 1937, General Catalogue of 33342 Stars for the Epoch 1950
      Carnegie Institution of Washington, Pub. No. 468 1-5, Washington D.C.
      (Cat. <I/113>)
   Ellery R.L.J., and Baracchi P. 1917, Third Melbourne General Catalogue
      of 3068 Stars for the Equinox 1890.
   Ellery R.L.J., Baracchi P., and Baldwin J. M. 1929, Melbourne
      Astrographic Catalogue 3 Zones -69 and -70 deg.
   Ellery R. L. J., Baracchi P., and Baldwin J. M. 1955, Melbourne
      Astrographic Catalogue 4 Zones -71 and -72 deg.
   Gill D., and Kapteyn J.C. 1895-1900, Cape Photographic Durchmusterung,
      Ann. Cape Obs. 3 (1895, Part I: zones -18 to -37 deg); 4 (1897, Part II:
      zones -38 to -52 deg); 5 (1900, Part III: zones -53 to -89 deg).
      (Cat. <I/108>)
   Gilliss J.M. 1895, A Catalogue of 16748 Southern Stars. Washington
      Observations for 1890, Appendix I, Washington, D.C.
   Dyson F.W. 1920, Greenwich Catalogue of Stars for 1910.0, London.
   Haas J., Dick J., and Felsman G. 1937-1964, Geschichte des
      Fixsternhimmels, Deutschen Akademie des Wissenschaften zu Berlin.
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      1950.0. (see Cat. <I/4>)
   Kukarkin B.V., Parenago P.P., Efremov Yu.N., and Kholopov P.N. 1951,
      Catalogue of Stars Suspected of Variability, Publishing House of the
      Academy of Sciences of the U.S.S.R., Moscow. (see Cat. <II/139>)
   Kukarkin B.V., Kholopov P.N., Efremov Yu.N., and Kurochkin N.E.
      1965, Second Catalogue of Stars Suspected of Variability, Publishing
      House of the Academy of Sciences of the U.S.S.R., Moscow.
      (see Cat. <II/140>)
   Kukarkin B.V., Kholopov P.N., Efremov Yu.N., Kukarkina N.P.,
      Kurochkin N.E., Medvedeva G.I., Perova N.B., Fedorovich V.P., and
      Frolov M.S., 1969-1970, General Catalogue of Variable Stars (3rd
      edition), Publishing House of the Academy of Sciences of the U.S.S.R.,
      Moscow. (see Cat. <II/140>)
   Kustner F. 1903, Bonner Durchmusterung des Nordlichen Himmels, zweite
      berichtigte Auflage, Bonn Universitats Sternwarte, A. Marcus und E.
      Weber's Verlag, Bonn.
   Luyten W.J. 1938-1941, Publ. Astron. Obs. Univ. Minnesota 11, no. 5-11.
   Manganiello V. 1936, Catalogo de 4513 Estrellas entre 65 deg 50 arcsec
      y 72 deg 10 arcsec Declination Austral (1875) para el Equinoccio 1925,
      La Plata Obs. Publ. 9.
   Parsons S.B., 1977, Bulletin d'Information du Centre de Donnees
      Stellaires, No. 12.
   Peters J. 1907, Neuer Fundamentalkatalog des Berliner Astronomischen
      Jahrbuchs nach den Grundlagen von A. Auwers fur die Epochen 1875 und
      1900. Veroffentlichen des Koniglichen Astron. Rechen-Instituts zu
      Berlin, Nr. 33.
   Schmidt H. 1967, Bonner Durchmusterung, Sudlicher Teil,
      Deklinations-Zonen -2 bis -22 grade Sternverzeichnis, dritte Auflage,
      Ferd. Dummlers Verlag, Bonn. (see Cat. <I/119>)
   Schmidt H. 1968, Bonner Durchmusterung, Nordlicher Teil,
      Deklinations-Zonen -1 bis +89 grade Sternverzeichnis, vierte Auflage,
      Ferd. Dummlers Verlag, Bonn. (see Cat. <I/122>)
   Schonfeld E. 1886, Bonner Sternverzeichnis, vierte Sektion,
      Astronomische Beobachtungen auf der Sternwarte der Koniglichen
      Rheinischen Friedrich- Wilhelms-Universitat zu Bonn 8, Part IV, Adolph
      Marcus, Bonn. (see Cat. <I/119>)
   Tapia N. 1947, Catalogo La Plata E de 2486 Estrellas entre 72 deg 10
      arcsec y 82 deg 10 arcsec de Declinacion Austral (875) para el
      Equinoccio 1925, Obs. Astron. La Plata, Ser. Astron. 10 Nr. 1, p. 2, 51.
   Thome J.M. 1892-1932, Cordoba Durchmusterung, Resultados del
      Observatorio Nacional Argentino 16 (1892, Part I: -22 to -32 deg); 17
      (1894, Part II: -32 to -42 deg); 18 (1900, Part III: -42 to -52 deg);
      21 (Part I) (1914, Part IV, -52 to -62 deg); 21 (Part II) (1932, Part V:
      -62 to -90 deg). (see Cat. <I/114>)
   Worley C.E. 1984.0 Washington Catalog of Visual Double Stars, U.S.
      Naval Observatory (private distribution). (see Cat. <I/107>)
================================================================================
(End)           N. G. Roman       [SSDOO/ADC]                        27-May-1997

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