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The Starbase One Astronomy & Space Collection
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qagn3
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agn.hdr
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Text File
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1989-02-07
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176 lines
XTENSION= 'TABLE ' / Table extension
BITPIX = 8 / Character data
NAXIS = 2 / Simple 2-D matrix
NAXIS1 = 124 / Number of characters per record
NAXIS2 = 887 / Number of records in the table
PCOUNT = 0 / No "random" parameters
GCOUNT = 1 / Only one group
TFIELDS = 27 / Number of data fields per record
EXTNAME = 'QAGN3_AGN' / Quasars and Active Nuclei, 3rd Ed., AGN
AUTHOR = 'Veron-Cetty, Veron' / Catalog author(s)
REFERENC= '1987, ESO Report' / Catalog reference(s)
DATE = '05/10/88' / Date FITS table verified (dd/mm/yy)
HISTORY This FITS header is NOT a complete scientific document for the subject
HISTORY catalog. It serves only as a minimal description of the general
HISTORY format and structure of the data file.
HISTORY A copy of "Documentation for the Machine-Readable Version of
HISTORY Quasars and Active Nuclei", Raugh 1987, Doc. No. STX-T-1-3002-3201-87
HISTORY should accompany any computer-readable version of the catalog.
HISTORY Source Catalog Reference: Veron-Cetty, M. P. and Veron, P. 1987,
HISTORY ESO Scientific Report (in press).
COMMENT This table lists data for 887 active galactic nuclei. Included in this
COMMENT category are Seyfert 1, Seyfert 2, and "liners" with magnitudes fainter
COMMENT than -23. In addition, this table also contains galaxies with nuclear
COMMENT HII regions and "galaxies with nuclear radio or X-ray sources which may
COMMENT turn out to be Seyfert-like" -- Veron-Cetty and Veron 1987.
TTYPE1 = 'RADIO_FLAG' / "*" if object has not been detected in radio
TBCOL1 = 1 / Start column
TFORM1 = 'A1 ' / Fortran format
TNULL1 = ' ' / Null value
TTYPE2 = 'NAME ' / Common name of the object
TBCOL2 = 2 / Start column
TFORM2 = 'A12 ' / Fortran format
TTYPE3 = '4C ' / 4C designation (information not complete)
TBCOL3 = 14 / Start column
TFORM3 = 'A6 ' / Fortran format
TNULL3 = ' ' / Null value
TTYPE4 = 'RAHR ' / Hours RA, 1950.0
TBCOL4 = 20 / Start column
TFORM4 = 'I3 ' / Fortran format
TUNIT4 = 'HR ' / Units are hours
TTYPE5 = 'RAMIN ' / Minutes RA, 1950.0
TBCOL5 = 23 / Start column
TFORM5 = 'I3 ' / Fortran format
TUNIT5 = 'MIN ' / Units are minutes of time
TTYPE6 = 'RASEC ' / Seconds RA, 1950.0
TBCOL6 = 26 / Start column
TFORM6 = 'F5.1 ' / Fortran format
TUNIT6 = 'SEC ' / Units are seconds of time
TTYPE7 = 'DECDEG ' / Degrees DEC, 1950.0
TBCOL7 = 31 / Start column
TFORM7 = 'I4 ' / Fortran format
TUNIT7 = 'DEG ' / Units are degrees
TTYPE8 = 'DECMIN ' / Minutes DEC, 1950.0
TBCOL8 = 35 / Start column
TFORM8 = 'I3 ' / Fortran format
TUNIT8 = 'ARCMIN ' / Units are minutes of arc
TTYPE9 = 'DECSEC ' / Seconds DEC, 1950.0
TBCOL9 = 38 / Start column
TFORM9 = 'I3 ' / Fortran format
TUNIT9 = 'ARCSEC ' / Units are seconds of arc
TTYPE10 = 'COORD_FLAG' / "O" for optical, "R" for radio coordinates
TBCOL10 = 42 / Start column
TFORM10 = 'A1 ' / Fortran format
TNULL10 = ' ' / Null value
TTYPE11 = '6CM_FLUX' / Flux density at 6 cm
TBCOL11 = 43 / Start column
TFORM11 = 'F7.3 ' / Fortran format
TUNIT11 = 'JANSKYS ' / Units are janskys
TNULL11 = ' ' / Null value
TTYPE12 = '6CM_REF ' / Reference to 6cm flux density
TBCOL12 = 50 / Start column
TFORM12 = 'I5 ' / Fortran format
TNULL12 = ' ' / Null value
TTYPE13 = '11CM_FLUX' / Flux density at 11 cm
TBCOL13 = 55 / Start column
TFORM13 = 'F6.2 ' / Fortran format
TUNIT13 = 'JANSKYS ' / Units are janskys
TNULL13 = ' ' / Null value
TTYPE14 = '11CM_REF' / Reference to 11cm flux
TBCOL14 = 61 / Start column
TFORM14 = 'I5 ' / Fortran format
TNULL14 = ' ' / Null value
TTYPE15 = 'SP_INDEX' / Radio spectral index
TBCOL15 = 66 / Start column
TFORM15 = 'F6.2 ' / Fortran format
TNULL15 = ' ' / Null value
TTYPE16 = 'Z_FLAG ' / Redshift quality flag
TBCOL16 = 74 / Start column
TFORM16 = 'A1 ' / Fortran format
TNULL16 = ' ' / Null value
COMMENT Z_FLAG (field 16) is "/" if redshift was estimated from a low
COMMENT dispersion, slitless spectrum.
TTYPE17 = 'Z ' / Redshift
TBCOL17 = 75 / Start column
TFORM17 = 'F5.3 ' / Fortran format
TNULL17 = ' ' / Null value
TTYPE18 = 'CLASS ' / Classification
TBCOL18 = 81 / Start column
TFORM18 = 'A2 ' / Fortran format
COMMENT CLASS (field 18); see ADC document for list of classification codes.
TTYPE19 = 'MAG_FLAG' / Magnitude/color flag
TBCOL19 = 84 / Start column
TFORM19 = 'A1 ' / Fortran format
TNULL19 = ' ' / Null value
COMMENT MAG_FLAG (field 19) is "/" if VMAG (field 20), U-B (field 21), and
COMMENT B-V (field 22) contain photographic rather than photoelectric data.
TTYPE20 = 'VMAG ' / V magnitude in the UBV system
TBCOL20 = 85 / Start column
TFORM20 = 'F5.2 ' / Fortran format
TUNIT20 = 'MAG ' / Units are magnitudes
TNULL20 = ' ' / Null value
TTYPE21 = 'U-B ' / U-B in UBV system
TBCOL21 = 90 / Start column
TFORM21 = 'F6.2 ' / Fortran format
TUNIT21 = 'MAG ' / Units are magnitudes
TNULL21 = ' ' / Null value
TTYPE22 = 'B-V ' / B-V in UBV system
TBCOL22 = 96 / Start column
TFORM22 = 'F6.2 ' / Fortran format
TUNIT22 = 'MAG ' / Units are magnitudes
TNULL22 = ' ' / Null value
TTYPE23 = 'ABS_MAG ' / Absolute magnitude
TBCOL23 = 102 / Start column
TFORM23 = 'F6.1 ' / Fortran format
TUNIT23 = 'MAG ' / Units are magnitudes
TNULL23 = ' ' / Null value
TTYPE24 = 'X-RAY_FLAG' / "X" if object detected as X-Ray source (Asiago)
TBCOL24 = 109 / Start column
TFORM24 = 'A1 ' / Fortran format
TNULL24 = ' ' / Null value
TTYPE25 = 'FC_REF ' / Finding chart reference
TBCOL25 = 110 / Start column
TFORM25 = 'I5 ' / Fortran format
TNULL25 = ' ' / Null value
TTYPE26 = 'PHOT_REF' / Photometry reference
TBCOL26 = 115 / Start column
TFORM26 = 'I5 ' / Fortran format
TNULL26 = ' ' / Null value
TTYPE27 = 'Z_REF ' / Redshift reference
TBCOL27 = 120 / Start column
TFORM27 = 'I5 ' / Fortran format
TNULL27 = ' ' / Null value
END