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J/A+AS/122/79     Galactic Bulge Region OH 1612MHz survey. I.  (Sevenster+ 1997)
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The ATCA/VLA OH 1612 MHz survey. I. Observations of the Galactic Bulge Region
     Sevenster M.N., Chapman J.M., Habing H.J., Killeen N.E.B., Lindqvist M.
    <Astron. Astrophys. Suppl. Ser. 122, 79 (1997)>
    =1997A&AS..122...79S      (SIMBAD/NED BibCode)
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ADC_Keywords: Radio lines ; Masers
Keywords: techniques: image processing - surveys - stars: AGB and post-AGB -
          Galaxy: Center - radio lines: stars - Galaxy: stellar content

Abstract:
    We present observations of the region between |l|<=10{deg} and
    |b|<=3{deg} in the OH 1612.231MHz line, taken in 1993 October and
    November with the Australia Telescope Compact Array. The region was
    systematically searched for OH/IR stars and was covered completely
    with 539 pointing centres separated by 30'. The size of the dataset
    calls for a special reduction technique that is fast, reliable and
    minimizes the output (positions and velocities of possible stars
    only). Having developed such a reduction method we found 307 OH masing
    objects, 145 of which are new detections. Out of these, 248 have a
    standard double-peaked spectral profile, 55 a single-peaked profile
    and 4 have nonstandard or irregular profiles. In this article we
    analyse the data statistically and give classifications and
    identifications with known sources where possible. The astrophysical,
    kinematical, morphological and dynamical properties of subsets of the
    data will be addressed in future articles. These observations are part
    of a larger survey, covering |l|<=45{deg} and |b|<=3{deg}, with the
    Australia Telescope Compact Array and the Very Large Array. The
    electronic version of this paper, that includes table and spectra, can
    be obtained from http://www.ed-phys.fr.

File Summary:
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  FileName      Lrecl  Records   Explanations
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ReadMe          80          .    This file
table1         139        307    Compact OH-maser sources
fig2a.eps       83       8416    The spectra for all the sources in Table 1
fig2b.eps       83       8299    figure2 continued
fig2c.eps       83       8419    figure2 continued
fig2d.eps       83       8481    figure2 continued
fig2e.eps       83       8163    figure2 continued
fig2f.eps       83       8294    figure2 continued
fig2g.eps       83       8552    figure2 continued
fig2h.eps       83       8308    figure2 continued
fig2i.eps       83       8498    figure2 continued
fig2j.eps       83       8415    figure2 continued
fig2k.eps       83       8204    figure2 continued
table1.tex     290        766    LaTeX version of table1
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 See also:
    J/A+AS/124/509 : ATCA/VLA OH 1612 MHz survey. II. (Sevenster+ 1997)

Byte-by-byte Description of file: table1
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   Bytes Format Units   Label   Explanations
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   2-  4  I3    ---     No      Source number
   6- 21  A16   ---     Name    Source name (based on galactic longitude
                                 and latitude)
      23  A1    ---     Type    Spectrum type
  25- 26  I2    h       RAh     Right ascension J2000
  28- 29  I2    min     RAm     Right ascension J2000
  31- 36  F6.3  s       RAs     Right ascension J2000
      38  A1    ---     DE-     Declination sign
  39- 40  I2    deg     DEd     Declination J2000
  42- 43  I2    arcmin  DEm     Declination J2000
  45- 49  F5.2  arcsec  DEs     Declination J2000
  51- 54  F4.2  arcsec  Delta   Position scatter
  56- 59  F4.1  arcmin  R       Offset from pointing centre
  61- 66  F6.1  km/s    VL      Velocity blue-shifted peak
  68- 73  F6.1  km/s    VH      ? Velocity red-shifted peak
  75- 80  F6.1  km/s    VC      ? Velocity central star
  82- 85  F4.1  km/s    VE      ? Outflow velocity shell
  87- 93  F7.3  Jy      SL      Flux density blue-shifted peak
  95-101  F7.3  Jy      SH      ? Flux density red-shifted peak
 103-105  I3    mJy     Rms     Rms noise in empty cubes
 107-108  I2    ---     Ref     ? Number reference for previous detection
 110-119  A10   ---     IRAS    Name of nearest IRAS point source <II/125>
 121-126  F6.3  ---     N       Distance to nearest IRAS PS as fraction of IRAS
                                 error ellipse
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(End)       M.N. Sevenster [Sterrewacht Leiden, NL]                  19-Jul-1996