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J/ApJS/143/1/table4 FIRST-APM Source Catalog (McMahon+, 2002)
FIRST-APM Source Catalog (496791 rows)
  recno=347001
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ColumnValue  Explain   (UCD)
_RAJ200011 18 02.54600 "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+31 32 03.1100 "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)
_RAB195011 15 21.04841 "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+31 48 27.1199 "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)
_Glon195.10225018 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+69.21605230 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)
347001recno 347001  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

RAJ200011 18 02.546 "h:m:s" (i) Radio hour of Right Ascension (J2000) (Note 1)   (pos.eq.ra;meta.main)
DEJ2000+31 32 03.11 "d:m:s" (i) Radio degree of Declination (J2000) (Note 1)   (pos.eq.dec;meta.main)
oRA 1.25 arcsec Right Ascension offset to the optical object (pos.eq.ra;arith.diff)
oDE -9.30 arcsec Declination offset to the optical object (pos.eq.dec;arith.diff)
Sep 9.38 arcsec Radius to the optical object (pos.angDistance)
Eclass 0  APM classification on E (red) plate (Note 2)   (meta.code.class)
Epsf 0.00  APM psf parameter on E (red) plate (Note 3)   (src.class.starGalaxy)
Emag-20.86 mag E (red) plate magnitude (1) (Note 4)   (phot.mag;em.opt.R)
Oclass 0  APM classification on O (blue) plate (Note 2)   (meta.code.class)
Opsf 99.90  APM psf parameter on O (blue) plate (Note 3)   (src.class.starGalaxy)
Omag 13.74 mag O (blue) plate magnitude (1) (Note 4)   (phot.mag;em.opt.B)
O-E -9.99 mag The (O-E) plate color (Note 5)   (phot.color;em.opt.B;em.opt.R)
Plate 99   Number of POSS-I plate (meta.number)
Fpeak 2.02 mJy FIRST peak radio flux density at 1.4GHz (Note 6)   (phot.flux.density;em.radio.750-1500MHz)
Fint 7.16 mJy FIRST integrated radio flux density (Note 6)   (phot.flux.density;em.radio.750-1500MHz)
Fmaj 13.5 arcsec FIRST source deconvolved major axis (6) (Note 7)   (phys.angSize)
Fmin 4.6 arcsec FIRST source deconvolved minor axis (6) (Note 7)   (phys.angSize)
FPA126.7 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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