Access to Astronomical Catalogues

J/A+AS/126/509      HS 47.5/22: X-ray catalogue     (Molthagen+ 1997)
Multiwavelength observations of the field HS 47.5/22 in Ursa Major.
I. The X-ray catalogue of a medium deep ROSAT survey.
       Molthagen K., Wendker H.J., Briel U.G.
      <Astron. Astrophys. Suppl. Ser. 126, 509 (1997)>
      =1997A&AS..126..509M      (SIMBAD/NED BibCode)
ADC_Keywords: X-ray sources ; Magnitudes

Mission_Name: ROSAT

Keywords: Methods: data analysis - catalogues - surveys - X-rays: general -
          X-rays: galaxies

Description:
    Table 4 contains the parameters of the PSPC pointings which form the
    medium deep survey in HS 47.5/22, table 5 is the final X-ray source
    catalogue, and table 6 gives the results of the optical follow-up
    observations.

File Summary:

       FileName      Lrecl  Records   Explanations

ReadMe            80        .   This file
table4            70       48   Parameters of the PSPC pointings which form the
                              survey
table5           105      574   X-ray source catalogue
table6            86       57   Optical follow-up observations


See also:
   IX/11 : ROSAT PSPC Source Catalog (Voges+ 1994)


Byte-by-byte Description of file: table4

   Bytes Format Units     Label     Explanations

   1-  3  I3    ---       WG700     Pointing number; prefix WG700
   6-  7  I2    h         RAh       Right ascension (J2000)
   9- 10  I2    min       RAm       Right ascension (J2000)
  12- 13  I2    s         RAs       Right ascension (J2000)
      16  A1    ---       DE-       Declination sign
  17- 18  I2    deg       DEd       Declination (J2000)
  20- 21  I2    arcmin    DEm       Declination (J2000)
  25- 28  I4    s         Texp      Pointing exposure time
  31- 55  A25   ---       DATE      Observation Date
  57- 61  F5.2  10-2ct/s  CRlim0    Limiting count rate at zero off axis angle
  66- 70  F5.2  10-2ct/s  CRlim40   Limiting count rate at 40' off axis angle


Byte-by-byte Description of file: table5

   Bytes Format Units     Label     Explanations

   1-  3  I3    ---       Seq       Sequence number
   5- 15  A11   ---       Name      RXJ name (hhmm.m+dd'')
  17- 18  I2    h         RAh       Right ascension (J2000)
  20- 21  I2    min       RAm       Right ascension (J2000)
  23- 26  F4.1  s         RAs       Right ascension (J2000)
      28  A1    ---       DE-       Declination sign
  29- 30  I2    deg       DEd       Declination (J2000)
  32- 33  I2    arcmin    DEm       Declination (J2000)
  35- 36  I2    arcsec    DEs       Declination (J2000)
  38- 39  I2    arcsec    Rad       Identification search radius
                                       R = 2*sigma_pos+10"
  42- 47  F6.1  ---       ML        Likelihood
  50- 54  F5.1  10-2ct/s  CR        Broad band count rate
  56- 59  F4.1  10-2ct/s  e_CR      Count rate error
  63- 65  A3    ---       FLAGS     Flags (1)
  67- 68  I2    arcsec    Dist      ? Distance between merged data and
                                        individual pointing detection
  72- 75  F4.2  10+20cm-2 NH        Galactic HI column density
  78- 82  F5.2  mag       Bmag      ? Apparent B magnitude
  84- 87  F4.2  mag       e_Bmag    ? B magnitude error
  90-103  A14   ---       IDENT     Identification (2)

Note (1): I: detected in individual pointings
          M: detected in the merged data
         IM: detected in individual and merged data (RA, DE, ML from the former)
         MI: detected in individual and merged data (RA, DE, ML from the latter)
          1: broad band detection
          2: soft band detection
          3: hard band detection
          4: h1 band detection
          5: h2 band detection
Note (2): Object types:
                 star: known stars
                    D: visible on HQS direct plate only
                  AGN: confirmed AGN
              st.can.: star-like on HQS plates (no further distinction possible)
            Abell 851: Abell cluster A851
             gal.can.: galaxy candidate
              cl.can.: cluster candidate
             AGN can.: AGN candidate (including weak blue objects)
                empty: empty fields on the HQS direct plate
          FG/K/M can.: FG, K, or M star candidate
                 sat.: saturated objective prism spectrum (mostly stars)
                unid.: unidentified object
                  red: object with very weak and red objective prism spectrum
                 gal.: galaxy
                  ELG: emission line galaxy
                group: group of three active galaxies
                M st.: M star identified during this work
          Remarks:
            a: observed in this work
            b: Engels et al. 1997 (in prep.)
            c: Bade et al. 1995A&AS..110..469B, Cat. J/A+AS/110/469
            d: Puchnarewicz et al., 1992MNRAS.256..589P
            e: Notni, 1980AN....301...51N
            f: Klemola et al., 1987AJ.....94..501K, Cat. I/199 and I/200
            g: Peterson et al., 1978PASP...90..386P
            h: chneider et al., 1994AJ....107.1245S, Cat. J/AJ/107/1245
            i: Schmidt et al., 1986ApJ...310..518S
            j: the source is located in the disk of galaxy UGC 5354,
                no B available
            k: another star with B=19.6±0.3 has been rejected as
                identification because of unrealistic log (fx/fb)


Byte-by-byte Description of file: table6

   Bytes Format Units     Label     Explanations

   1-  3  I3    ---       Seq       Sequence number
   6- 20  A15   ---       Name      RXJ name
  21- 25  A5    ---       Notes     Footnotes (1)
  27- 28  I2    h         RAh       Optical right ascension (J2000)
  30- 31  I2    min       RAm       Optical right ascension (J2000)
  33- 36  F4.1  s         RAs       Optical right ascension (J2000)
  39- 40  I2    deg       DEd       Optical declination (J2000)
  42- 43  I2    arcmin    DEm       Optical declination (J2000)
  45- 46  I2    arcsec    DEs       Optical declination (J2000)
  49- 52  I4    s         Texp      ? Exposure time (spectrum)
  55- 59  F5.2  mag       Bmag      ? B magnitude
  61- 64  F4.2  mag       e_Bmag    ? B magnitude error
  67- 71  F5.3  ---       z         ? Redshift (if available)
  75- 85  A11   ---       Ident     Identification

Note (1): a: B from objective prism plate
          b: previously identified in Bade et al. (1995, Cat. J/A+AS/110/469)
          c: observed with the Russian 6m telescope


Acknowledgements: Kerstin Molthagen 

(End)                                         Patricia Bauer [CDS]   24-Apr-1997