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J/AJ/133/313/BLLac AGN from RASS and SDSS DR5 (Anderson+, 2007)
Observed and derived parameters of RASS/SDSS BL Lac candidates (tables 5 and 6 of paper) (266 rows)
  recno=224
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ColumnValue  Explain   (UCD)
_RAJ200015 34 47.2000 "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+37 15 54.500 "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)
_RAB195015 32 54.3725 "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+37 25 50.899 "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)
_Glon059.8598867 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+54.2890152 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)
224recno 224  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

RASS153446.6+371610  RASS X-ray source name, HHMMSS.s+DDMMSS (G1) (linked to RASS data) (Note)   (meta.id;meta.main)
SDSS153447.20+371554.5  SDSS optical counterpart name, HHMMSS.ss+DDMMSS.s (G1) (linked to most recent SDSS data) (Note)   (meta.id)
umag18.38 mag SDSS u band PSF magnitude (phot.mag;em.opt.U)
gmag17.83 mag SDSS g band PSF magnitude (phot.mag;em.opt.B)
rmag17.34 mag SDSS r band PSF magnitude (phot.mag;em.opt.R)
imag17.04 mag SDSS i band PSF magnitude (phot.mag;em.opt.I)
zmag16.82 mag SDSS z band PSF magnitude (phot.mag;em.opt.I)
St3   [3/6] SDSS imaging morphology parameter (6=stellar/unresolved, 3=extended/resolved) (src.class.starGalaxy)
z 0.143   Redshift (src.redshift)
CRate 0.0294 ct/s X-ray count rate (Note 3)   (phot.count;em.X-ray)
Exp 418 s The X-ray exposure time (time.duration;obs.exposure;em.X-ray)
HR1-0.53  The X-ray hardness ratio 1 (Note 4)   (phot.flux;em.X-ray;arith.ratio)
HR2-1.00  The X-ray hardness ratio 2 (Note 4)   (phot.flux;em.X-ray;arith.ratio)
L 11  The X-ray source detection likelihood (stat.likelihood)
FX 2.02 10-16W/m2 Absorbed X-ray flux (Note 5)   (phot.flux;em.X-ray)

SimbadSimbad  ask the Simbad data-base about this object (meta.ref.url)

g0mag17.76 mag SDSS g band PSF magnitude (Note 2)   (phot.mag;em.opt.B)
FXcor 3.81 10-16W/m2 Corrected X-ray flux (Note 3)   (phot.flux;em.X-ray)
logLX43.35 [10-7W] Log of broadband (0.1-2.4kev) X-ray luminosity in units of erg/s (Note 4)   (phys.luminosity;em.X-ray)
LogL250029.03 [10-7W/Hz] Log of 2500Å monochromatic optical luminosity in units of erg/s/Hz (Note 4)   (phys.luminosity;em.opt;arith.ratio)
logL2keV24.82 [10-7W/Hz] Log of 2keV monochromatic X-ray luminosity in units of erg/s/Hz (Note 4)   (phys.luminosity;em.X-ray.soft;arith.ratio)
alpha 1.62  Slope of a hypothetical power law from 2500Å to 2keV (spect.index)
Commradio  Additional comment (Note 5)   (meta.note)

DR5DR5  Details from SDSS-DR5 (meta.ref.url)
_RA233.69667 deg (i) Optical position (from SDSS name) (right ascension part) (pos.eq.ra;meta.main)
_DE+37.26514 deg (i) Optical position (from SDSS name) (declination part) (pos.eq.dec;meta.main)
  
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