Astronomical Data Center

ADCADC/CDS Standard Document for Catalog:
/journal_tables/A+AS/122/1/

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


J/A+AS/122/1             BV photometry of variables in NGC 6397  (Kaluzny, 1997)
================================================================================
CCD photometry of variable stars in the field of the globular cluster NGC 6397
     Kaluzny J.
    <Astron. Astrophys. Suppl. Ser. 122, 1 (1997)>
    =1997A&AS..122....1K      (SIMBAD/NED BibCode)
================================================================================
ADC_Keywords: Photometry, UBV ; Clusters, globular
Keywords: globular clusters: individual: NGC 6397 - stars: variables: other -
          HR diagram - blue stragglers - stars: close binaries

Description:
    Tables 5 and 6 contain BV photometry of stars from NGC 6397 field
    which is presented in Figs. 1 and 2, respectively. File template.fits
    is a FITS format image of the surveyed field. Stars coordinates listed
    in the paper correspond to positions on this image.

Objects:
    ----------------------------------------------------------
       RA  (2000)  DE    Designation(s)
    ----------------------------------------------------------
     17 40.9    -53 41   NGC 6397 = C 1736-536
    ----------------------------------------------------------

File Summary:
--------------------------------------------------------------------------------
 FileName     Lrecl  Records   Explanations
--------------------------------------------------------------------------------
ReadMe           80        .   This file
table5           62    11865   BV photometry of stars from the field of NGC 6397
                                presented in fig. 1
table6           62     9852   BV photometry of stars from the field of NGC 6397
                                presented in fig. 2
tab7-13          36      677  *Phased V-band light curve
tab9-15          29      345  *V-band light curve
template.fit   2880     2913  *FITS format image of the surveyed field
--------------------------------------------------------------------------------
Note on tab7-13: V3, V4, V7, V8 and V9 data correspond respectively to
                 table 7, 8, 11, 12 and 13 of the paper
Note on tab9-15: V5, V6, V10 and V11 data correspond respectively to
                 table 9, 10, 14 and 15 of the paper
Note on template.fit: The image size is 2048x2046 (8.39Mb) and it is written in
                a 16 bits/pixel format.
--------------------------------------------------------------------------------

Byte-by-byte Description of file: table5 table6
--------------------------------------------------------------------------------
   Bytes Format Units   Label     Explanations
--------------------------------------------------------------------------------
   1-  6  I6    ---     ID        ID number
   7- 15  F9.2  pix     Xpos      X coordinate (1)
  16- 24  F9.2  pix     Ypos      Y coordinate (1)
  25- 31  F7.3  mag     Vmag      Vmagnitude
  32- 38  F7.3  mag   e_Vmag      rms uncertainty on Vmag
  39- 41  I3    ---   o_Vmag      number of averaged V measurements
  42- 43  I2    ---   q_Vmag      quality flag for V (2)
  44- 50  F7.3  mag     B-V       B-V color index
  51- 57  F7.3  mag   e_B-V       rms uncertainty on B-V
  58- 60  I3    ---   o_B-V       number of averaged B measurements
  61- 62  I2    ---   q_B-V       quality flag for B-V (2)
--------------------------------------------------------------------------------
Note (1): 1 pixel=0.396 arcsec;
          X axis points toward West; Y axis points toward South
Note (2): q=1 means relatively poor quality
--------------------------------------------------------------------------------

Byte-by-byte Description of file: tab7-13
--------------------------------------------------------------------------------
   Bytes Format Units   Label     Explanations
--------------------------------------------------------------------------------
   1-  2  A2    ---     Star      Star name
   4- 10  F7.5  ---     Phase     [0/1[ Phase
  12- 17  F6.3  mag     Vmag      V magnitude
  19- 23  F5.3  mag   e_Vmag      rms uncertainty on Vmag
  25- 36  F12.4 d       HJD       Heliocentric Julian date
--------------------------------------------------------------------------------

Byte-by-byte Description of file: tab9-15
--------------------------------------------------------------------------------
   Bytes Format Units   Label     Explanations
--------------------------------------------------------------------------------
   1-  3  A3    ---     Star      Star name
   5- 16  F12.4 d       HJD       Heliocentric Julian date
  18- 23  F6.3  mag     Vmag      V magnitude
  25- 29  F5.3  mag   e_Vmag      rms uncertainty on Vmag
--------------------------------------------------------------------------------

Acknowledgements: Janusz Kaluzny <jka@vela.astrouw.edu.pl>
================================================================================
(End)                                         Patricia Bauer [CDS]   28-Jun-1996

Go to ADC Home Page