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VII/188            Quasars and Active Galactic Nuclei (7th Ed.)  (Veron+ 1996)
Quasars and Active Galactic Nuclei (7th Ed.)
     Veron-Cetty M.P., Veron P.
    <ESO Scientific Report 17 (1996)>
    =1996ESOSR..17....1V
ADC_Keywords: QSOs ; Active gal. nuclei ; BL Lac objects ;


Description:
    This catalogue is an update of the the previous versions.
    It contains 8609 (+172) quasars (defined as brighter than
    absolute B magnitude -23), 2833 (+978) AGNs (defined as
    fainter than absolute B magnitude -23), 220 (+49) BL Lac
    objects from 1662 (+176) references.

Previous versions:
    (1) Veron-Cetty M.P., Veron P., 1984, ESO Scientific Report 1
    (2) Veron-Cetty M.P., Veron P., 1985, ESO Scientific Report 4
    (3) Veron-Cetty M.P., Veron P., 1987, ESO Scientific Report 5
        (Catalogue VII/93)
    (4) Veron-Cetty M.P., Veron P., 1989, ESO Scientific Report 7
        (Catalogue VII/126)
    (5) Veron-Cetty M.P., Veron P., 1991, ESO Scientific Report 10
        (Catalogue VII/146)
    (6) Veron-Cetty M.P., Veron P., 1993, ESO Scientific Report 13
        (Catalogue VII/166)

File Summary:

       FileName      Lrecl  Records   Explanations

ReadMe            80        .   This file
table1           140     8609   Quasars (brighter than absolute magnitude -23)
table2           140      220   Confirmed, probable or possible BL Lac objects
table3           140     2833   Active galaxies (fainter than -23)
table4           130       52   Rejected quasars
refs             194     1662   References to tables 1 to 4


Byte-by-byte Description of file: table1 table2 table3

   Bytes Format  Units   Label    Explanations

       2  A1     ---    notRadio  [*] '*' if not detected in radio (1)
   3- 19  A17    ---     Name     Most common name of the object
  22- 23  I2     h       RAh      Right Ascension J2000 (hours) (see also n_RAh)
  25- 26  I2     min     RAm      Right Ascension J2000 (minutes)
  28- 31  F4.1   s       RAs      Right Ascension J2000 (seconds)
      33  A1     ---     DE-      Declination J2000 (sign)
  34- 35  I2     deg     DEd      Declination J2000 (degrees)
  37- 38  I2     arcmin  DEm      Declination J2000 (minutes)
  40- 41  I2     arcsec  DEs      Declination J2000 (seconds)
      43  A1     ---     n_RAh    [AOR] Approximative/Optical/Radio position (2)
  46- 51  F6.3   Jy      F6cm     ? 6cm (5GHz) flux
  53- 56  I4     ---     r_F6cm   [1,1662]? Reference of 6cm Flux
  59- 63  F5.2   Jy      F11cm    ? 11cm (2.7GHz) flux (Jy)
  65- 68  I4     ---     r_F11cm  [1,1662]? Reference of 11cm flux
      70  A1     ---     l_z      [>*] limit or method flag on z (4)
  71- 75  F5.3   ---     z        ? redshift
  77- 78  A2     ---     Sp       [S123?HPBL ] Classification of spectrum (3)
      80  A1     ---     n_Vmag   [*R] '*' for photographic, 'R' for red Vmag
  81- 85  F5.2   mag     Vmag     ? magnitude, V or other (see n_Vmag)
  87- 91  F5.2   mag     B-V      ? colour index
  93- 97  F5.2   mag     U-B      ? colour index
  99-103  F5.1   mag     Mabs     ? Absolute magnitude
 105-108  I4     ---     FC       [1,1662]? Reference of the Finding Chart
 110-113  I4     ---     r_Vmag   [1,1662]? Reference of the Photometry
 115-118  I4     ---     r_z      [1,1662]? Reference of the redshift
 121-122  I2     h       RA1950h  Right Ascension B1950 (hours)
 124-125  I2     min     RA1950m  Right Ascension B1950 (minutes)
 127-130  F4.1   s       RA1950s  Right Ascension B1950 (seconds)
     132  A1     ---     DE1950-  Declination B1950 (sign)
 133-134  I2     deg     DE1950d  Declination B1950 (degrees)
 136-137  I2     arcmin  DE1950m  Declination B1950 (minutes)
 139-140  I2     arcsec  DE1950s  Declination B1950 (seconds)

Note (1): this flag is blank if the object has been detected as a
    radio source, and is '*' if not.
Note (2): this flag related to the position takes the values:
     'O' for an Optical position with an accuracy better than 1arcsec
     'R' for a Radio position with an accuracy better than 1arcsec
     'A' for an approximative position
Note (3): the classification of the object is
     S1: Seyfert 1 spectrum
     S2: Seyfert 2 spectrum
     S3: Seyfert 3 or liner
     S?: possibly a Seyfert
     H2: nuclear HII region
     HP: high optical polarization (>3%)
     BL: confirmed BL Lac object
Note (4): n_z may indicate a lower bound on z, or if
     '*', it indicates a redshift measured by slitless spectroscopy.


Byte-by-byte Description of file: table4

   Bytes Format  Units   Label    Explanations

   2- 19  A18    ---     Name     Most common name of the object
  24- 25  I2     h       RAh      Right Ascension J2000 (hours)
  27- 28  I2     min     RAm      Right Ascension J2000 (minutes)
  30- 33  F4.1   s       RAs      Right Ascension J2000 (seconds)
      35  A1     ---     DE-      Declination J2000 (sign)
  36- 37  I2     deg     DEd      Declination J2000 (degrees)
  39- 40  I2     arcmin  DEm      Declination J2000 (minutes)
  42- 43  I2     arcsec  DEs      Declination J2000 (seconds)
      45  A1     ---     n_RAh    [OAR] Approximative/Optical/Radio position
      50  A1     ---     n_z      [*] '*' for slitless spectroscopy z
  51- 55  F5.3   ---     z        ? Original redshift
  58- 59  A2     ---     Sp       [QG?BL ] Original classification
      62  A1     ---     n_Vmag   [*R] if photographic magnitudes and colours
  63- 67  F5.2   mag     Vmag     ? V (or photographic, see n_Vmag) magnitude
  70- 74  F5.2   mag     B-V      ? colour index
  77- 81  F5.2   mag     U-B      ? colour index
  84- 87  I4     ---     FC       [1,1662]? Reference of Finding Chart
  89- 92  I4     ---     r_Vmag   [1,1662]? Reference of the Photometry
  94- 97  I4     ---     r_Sp     [1,1662]? Reference of Sp
 101-102  A2     ---     Sp2      [QG*? ] New classification
 105-108  I4     ---     r_Sp2    [1,1662]? Reference of New classification
 111-112  I2     h       RA1950h  Right Ascension B1950 (hours)
 114-115  I2     min     RA1950m  Right Ascension B1950 (minutes)
 117-120  F4.1   s       RA1950s  Right Ascension B1950 (seconds)
     122  A1     ---     DE1950-  Declination B1950 (sign)
 123-124  I2     deg     DE1950d  Declination B1950 (degrees)
 126-127  I2     arcmin  DE1950m  Declination B1950 (minutes)
 129-130  I2     arcsec  DE1950s  Declination B1950 (seconds)


Byte-by-byte Description of file: refs

   Bytes Format  Units   Label    Explanations

   2-  5  I4     ---     RefCode  [1,1662]+ Reference Number
   7-194  A188   ---     Text     Text of reference


History:
  * 17-Oct-1996: table3, line 724, the IRAS name of the AGN was changed
    from IRAS 05595-5726
     to  IRAS 05595-5756
    (communicated by H. Andernach )

Courtesy: Mira Veron 

(End)                  Mira Veron [OHP],  Francois Ochsenbein [CDS]  10-Oct-1995