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II/309      Hα emission stars in the Orion Nebula     (Parsamian+, 1982)
Catalog of H-alpha emission stars in the region of the Orion nebula.
    Parsamian E.S., Chavira E.
   <Bol. Inst. Tonantzintla, 3, 69-96 (1982)>
   =1982BITon...3...69P
ADC_Keywords: H II regions ; Stars, emission ; Photometry, H-alpha ;

Keywords: Halpha emission stars: Orion Nebula


Description:
    The catalog of 534 Hα emission lines stars in the region of the
    Orion Nebula (5°x5°) is presented, an the basis of 240 "new"
    Hα stars found on Tonantzintla spectral plates and previous known
    Hα emission stars.

File Summary:

       FileName      Lrecl  Records   Explanations

ReadMe            80        .   This file
oc.dat           110      534   The catalog of 534 Hα emission line stars
                              in the region of Orion Nebula
notes.dat         73       47   Indiviudal notes


Byte-by-byte Description of file: oc.dat

   Bytes Format Units   Label   Explanations

   1-  3  I3    ---     PaCh    Sequential number
       5  A1    ---     n_PaCh  [*] * indicates a note in notes.dat file
   7- 11  A5    ---     Var     Variable star Name (Kukarin 1969-1976, B/gcvs)
  13- 16  I4    ---     PaNo    ? Parenago's number (1954, Cat. II/171)
  19- 21  I3    ---     ToNo    ? Serial No of Hα emission stars according
                                  to Tonantzintla's numeration, Haro 4-NNN
      22  A1    ---     m_ToNo  [a] Multiplicitiy index on ToNo
      24  I1    h       RAh     Right Ascension 1900 (hours)
  26- 29  F4.1  min     RAm     Right Ascension 1900 (minutes)
      32  A1    ---     DE-     Declination 1900 (sign)
      33  I1    deg     DEd     Declination 1900 (degrees)
  36- 39  F4.1  arcmin  DEm     Declination 1900 (minutes)
  42- 45  F4.1  mag     Max     ? Maximum photographic magnitude if the star is
                                  a well-known variable
  47- 50  F4.1  mag     Min     ? Minimum photographic magnitude if the star is
                                  a well-known variable
      51  A1    ---     n_Min   [)v:] Notes on Min
  54- 63  A10   ---     Type    Type of variability according to GCVS
  66- 69  F4.1  mag     Vmag    ? V-band brightness of the star (1)
  71- 75  F5.2  mag     B-V     ? B-V colour index of the star (1)
      76  A1    ---     u_B-V   Uncertainty flag on B-V
  78- 82  F5.2  mag     U-B     ? U-B colour index of the star (1)
  84- 96  A13   ---     SpType  MK spectral type of the star
  98-100  A3    ---     Ha      Intensity of the Hα emission line using
                                 Haro's scale
 102-103  I2    ---     IdCh    Indicates the number by which the stars can be
                                 identified on the charts
 106-110  A5    ---     Ref     References (2)

Note (1): given by Andrews  1974BITon...1..101A, Gasparian 1980, priv. com.

Note (2): References as follows:
   1 = Present work
   2 = GCVS (1965,1969,1970,1971,1974), see B/gcvs
   3 = Sanduleak (1971PASP...83...95S)
   4 = Haro (1953ApJ...117...73H)
   5 = Haro and Chavira (1964, ONR Symposium, Flagstaff, Arizona, 89)
   6 = Herbig and Rao (1972ApJ...174..401H)
   7 = Haro and Parsamian (1969BOTT....5...45H)
   8 = Herbig (1962AdA&A...1...47H)
   9 = Haro and Chavira (1969BOTT....5...59H)
  10 = Shevchenko (1975IzTas.........S)
  11 = Herbig (1950ApJ...111...15H)
  12 = Parenago (1954TrSht..25....1P)
  13 = Herbig (1962ApJ...135..736H)
  14 = Haro and Moreno (1953BOTT....1g..11H)
  15 = Haro (1976BITon...2....3H)


Byte-by-byte Description of file: notes.dat

   Bytes Format Units   Label     Explanations

   1-  3  I3    ---     PaCh      Sequential number
   5- 73  A69   ---     Note      Text of the note (1)

Note (1): The following abbreviations are used:
  San = Sanduleak (1971PASP...83...95S), <[S71c] N> in Simbad
   HC = Haro and Chavira (1964, ONR Symposium, Flagstaff, Arizona, 89;
        1969BOTT....5...59H), <HPRA NNN> in Simbad.
  HRC = Herbig and Rao (1972ApJ...174.A, <HBC NNN.401H> in Simbad)
   HM = Haro and Moreno (1953BOTT....1g..11H), <Haro 5-NN> in Simbad


Acknowledgements:
     Elma Parsamian,  eparsam(at)bao.sci.am
     Gurgen Paronyan, gurgen(at)bao.sci.am
     Ashot Hakopian,  aakopian(at)bao.sci.am

History:
     Proofread by CDS.
(End)      Gurgen Paronyan [BAO, Armenia], Patricia Vannier [CDS]    09-Dec-2011