Radio quiet quasars

J/AJ/108/1163       Radio structure of Quasars (Kellermann+ 1994)
================================================================================
The radio structure of radio loud and radio quiet quasars in the
Palomar bright quasar survey.
     Kellermann K.I., Sramek R.A., Schmidt M., Green R.F., Shaffer D.B.
    
    =1994AJ....108.1163K
================================================================================
ADC_Keywords: QSOs ; Radio sources

Abstract:
    Images of resolved radio sources in the Palomar Bright Quasar Survey
    are presented with an angular resolution of 0.5 and 18arcsec. The
    observed structure of some well resolved radio quiet quasars and AGN's
    show large scale linear structures or unresolved central cores similar
    to radio loud objects in the BQS sample as well as the more luminous
    radio selected quasars. We suggest that at least some of these less
    luminous radio quiet objects may contain compact central engines
    characteristic of radio loud quasars and radio galaxies.

File Summary:
--------------------------------------------------------------------------------
  FileName        Lrecl  Records   Explanations
--------------------------------------------------------------------------------
ReadMe             80        .   This file
table1.dat        129      114   Radio data for the bright quasar survey
notes.dat          80       60   Notes of table 1 (27 QSOs concerned)
--------------------------------------------------------------------------------

Byte-by-byte Description of file: table1.dat
--------------------------------------------------------------------------------
   Bytes Format Units   Label    Explanations
--------------------------------------------------------------------------------
   1-  7  A7    ---     QSO      IAU Source designation
   9- 13  F5.3  ---     z        Redshift
  15- 19  F5.2  mag     Bmag     B magnitude
  21- 26  F6.2  mag     BMag     Absolute B magnitude
  28- 35  F8.2  mJy     S5GHz    Total radio flux density at 5GHz in the
                                  D configuration
      36  A1    ---   l_Ptotal   [<] Indicates that Ptotal and R are upper
                                  limits; the '<' means "less or equal"
  37- 43  E7.1  W/Hz    Ptotal   Absolute monochromatic radio luminosity at 5GHz
                                  rest wavelength calculated for a
                                  spectral index of -0.5
  45- 50  E6.1  ---     R        Ratio of radio (5GHz) to optical (4400A)
                                  flux density (see also l_Ptotal column)
  52- 53  I2    h       RAh      Optical right ascension (1950)
  55- 56  I2    min     RAm      Optical right ascension (1950)
  58- 61  F4.1  s       RAs      Optical right ascension (1950)
  63- 64  I2    h       RArh     ? Radio right ascension (1950)
  66- 67  I2    min     RArm     ? Radio right ascension (1950)
  69- 73  F5.2  s       RArs     ? Radio right ascension (1950)
  75- 79  F5.1  arcsec  DRA      Offset in right ascension
      81  A1    ---     DE-      Optical declination sign
  82- 83  I2    deg     DEd      Optical declination (1950)
  85- 86  I2    arcmin  DEm      Optical declination (1950)
  88- 91  F4.1  arcsec  DEs      Optical declination (1950)
      93  A1    ---     DEr-     Radio declination sign
  94- 95  I2    deg     DErd     ? Radio declination (1950)
  97- 98  I2    arcmin  DErm     ? Radio declination (1950)
 100-103  F4.1  arcsec  DErs     ? Radio declination (1950)
 105-109  F5.1  arcsec  DDE      ? Offset in declination
 111-112  A2    ---     MorphD   D-configuration radio morphology (1)
 114-115  A2    ---     MorphA   A-configuration radio morphology (1)
 117-122  F6.2  arcsec  Size     ? Overall angular size in arcsec
 124-127  I4    kpc     Size2    ? Overall angular size in kpc
     129  A1    ---     Note     [*] Notes detailed in file notes.dat
--------------------------------------------------------------------------------
Note (1): U: Unresolved
         SR: Slightly resolved
         Qp: Quasipoint
          D: Double
          M: Multiple
         CD: Core-Double
          A: Asymmetric
--------------------------------------------------------------------------------

Byte-by-byte Description of file: notes.dat
--------------------------------------------------------------------------------
   Bytes Format Units   Label     Explanations
--------------------------------------------------------------------------------
   1-  7  A7    ---     QSO       QSO designation
   9- 80  A72   ---     Text      Text of comment (may be on several lines)
--------------------------------------------------------------------------------

History: Prepared via OCR at CDS.
  * 22-Oct-1997: Several errors were communicated by H. Andernach
    ; these were corrected.
================================================================================
(End)                           James Marcout, Patricia Bauer [CDS]  22-Oct-1997