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J/ApJS/143/1/table4 FIRST-APM Source Catalog (McMahon+, 2002)
FIRST-APM Source Catalog (496791 rows)
  recno=201947
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ColumnValue  Explain   (UCD)
_RAJ200007 08 12.08300 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEJ2000+41 09 32.5500 "d:m:s" Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_RAB195007 04 42.30824 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEB1950+41 14 18.9990 "d:m:s" Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_Glon176.18409835 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat+20.43067286 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)
201947recno 201947  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

RAJ200007 08 12.083 "h:m:s" (i) Radio hour of Right Ascension (J2000) (Note 1)   (pos.eq.ra;meta.main)
DEJ2000+41 09 32.55 "d:m:s" (i) Radio degree of Declination (J2000) (Note 1)   (pos.eq.dec;meta.main)
oRA 1.22 arcsec Right Ascension offset to the optical object (pos.eq.ra;arith.diff)
oDE -5.49 arcsec Declination offset to the optical object (pos.eq.dec;arith.diff)
Sep 5.62 arcsec Radius to the optical object (pos.angDistance)
Eclass 1  APM classification on E (red) plate (Note 2)   (meta.code.class)
Epsf 23.40  APM psf parameter on E (red) plate (Note 3)   (src.class.starGalaxy)
Emag 15.35 mag E (red) plate magnitude (1) (Note 4)   (phot.mag;em.opt.R)
Oclass 2  APM classification on O (blue) plate (Note 2)   (meta.code.class)
Opsf 15.68  APM psf parameter on O (blue) plate (Note 3)   (src.class.starGalaxy)
Omag 18.76 mag O (blue) plate magnitude (1) (Note 4)   (phot.mag;em.opt.B)
O-E 3.41 mag The (O-E) plate color (Note 5)   (phot.color;em.opt.B;em.opt.R)
Plate 988   Number of POSS-I plate (meta.number)
Fpeak 5.29 mJy FIRST peak radio flux density at 1.4GHz (Note 6)   (phot.flux.density;em.radio.750-1500MHz)
Fint 25.32 mJy FIRST integrated radio flux density (Note 6)   (phot.flux.density;em.radio.750-1500MHz)
Fmaj 12.2 arcsec FIRST source deconvolved major axis (6) (Note 7)   (phys.angSize)
Fmin 9.0 arcsec FIRST source deconvolved minor axis (6) (Note 7)   (phys.angSize)
FPA 11.4 deg FIRST position angle (Note 6)   (pos.posAng)

APMAPM  Link to APM (North) data (meta.ref)
FIRSTFIRST  Link to FIRST data (meta.ref)
  
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