VizieR

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VizieR

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J/ApJ/756/27/table4 Classification of sources from the 2XMMi-DR3 cat. (Lin+, 2012)
General source properties and source classification (4330 rows)
  recno=4325
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200022 02 43.3584 "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+42 16 39.576 "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)
_RAB195022 00 39.4245 "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+42 02 08.269 "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)
_Glon092.5896716 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-10.4413721 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)
4325recno 4325  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

Source259211  (i) [837/262284] Unique source identifier (linked to all data for this source (tables 3 and 4)) (meta.id)
2XMMi2XMMi J220243.3+421639  2XMMi-DR3 Source designation (JHHMMSS.s+DDMMSS) (meta.id;meta.main)
RAJ2000330.68066 deg (i) Mean source ICRS right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+42.27766 deg (i) Mean source ICRS declination (J2000) (pos.eq.dec;meta.main)
ePos 0.3 arcsec [0.1/1.1] Mean error on position (stat.error;pos)
GLON 92.58965 deg Galactic longitude (pos.galactic.lon)
GLAT-10.44123 deg Galactic latitude (pos.galactic.lat)
nH 0.17 10+22/cm2 [0.01/2.1] Leiden/Argentine/Bonn Survey of Galactic HI column density (phys.columnDensity;pos.galactic)
Nobs 3   [2/37] Number of observations (meta.number)
Dto 162.8 d Time span of all observations (time.expo)
Nd 3   [1/36] Number of detections from 2XMMi-DR3 (meta.number)
Dtd 162.8 d Time span of all detections from 2XMMi-DR3 (time.expo)
Type Bla  Source type (Note 1)   (src.class)
u_TypeA   [AB] The source type category; A=identified, B=candidate (meta.note)
RefCat. VII/258  Reference, mostly on the source type (meta.ref)
RefID BL LAC  Source name/designation in the reference (meta.id.cross)
RefType B/HP  Spectral type and/or object type in the reference (Note 2)   (src.class)
Char   Reasons of classifying it as a compact object system (Note 3)   (meta.code)
X/o-0.43 [-] X-ray-to-optical flux ratio logarithm (Note 4)   (phot.flux;arith.ratio)
X/ir 0.33 [-] X-ray-to-IR flux ratio logarithm (Note 4)   (phot.flux;arith.ratio)
Fp/bg    Maximum ratio of flare peak to persistent background; 1.0 if from visual inspection (src.var.index)
OFp    Correspoding observation ID of the flare (meta.id;obs)
F14max 8.2e-12 mW/m2 Maximum flux in 0.2-4.5keV band (erg/cm2/s) (phot.flux;em.X-ray.medium;stat.max)
e_F14max 4.4e-14 mW/m2 Error on F14max (stat.error)
OF14max0501660401  Corresponding observation ID of F14max (meta.id;obs)
F14min 5.2e-12 mW/m2 Minimum flux in 0.2-4.5keV band (phot.flux;em.X-ray.medium;stat.min)
e_F14min 1.8e-14 mW/m2 Error on F14min (stat.error)
OF14min0504370401  Corresponding observation ID of F14min (meta.id;obs)
var14 1.59   [1/30458] Flux variation factor in 0.2-4.5keV band (src.var.amplitude)
Svar14 4.2  Significance of flux variation (stat.fit.goodness)
F8max 1.5e-11 mW/m2 Maximum flux in 0.2-12.0keV band (phot.flux;em.X-ray.medium;stat.max)
e_F8max 1.2e-13 mW/m2 Error on F8max (stat.error)
OF8max0501660401   Corresponding observation ID of F8max (meta.id;obs)
F8min 9.8e-12 mW/m2 Minimum flux in 0.2-12.0keV band (phot.flux;em.X-ray.medium;stat.min)
e_F8min 5.1e-14 mW/m2 Error on F8min (stat.error)
OF8min0504370401  Corresponding observation ID of F8min (meta.id;obs)
var8 1.55   [1/24121] Flux variation factor in 0.2-12.0keV band (src.var.amplitude)
Svar8 2.8   Significance of flux variation (stat.fit.goodness)
f_USNOB1    1 if the optical match is bad (meta.code)
USNOB11322-0541122   USNO B1.0 Source designation (I/284) (meta.id.cross)
Dxo 1.0 arcsec [0/59] Angular separation between the X-ray position and USNOB1 source (pos.angDistance)
B1mag14.48 mag [-0.2/24.8] USNOB1 B1 magnitude (phot.mag;em.opt.B)
R1mag12.50 mag [0/25.5] USNOB1 R1 magnitude (phot.mag;em.opt.R)
B2mag15.39 mag [0/25.2] USNOB1 B2 magnitude (phot.mag;em.opt.B)
R2mag12.53 mag [0/50] USNOB1 R2 magnitude (phot.mag;em.opt.R)
Imag11.80 mag [0/19.6] USNOB1 I magnitude (phot.mag;em.opt.I)
f_2MASS    1 if the IR match is bad (meta.code)
2MASS 22024329+4216400   2MASS PSC Source designation (II/246) (meta.id.cross)
Dxir 0.9 arcsec [0/29] Angular separation between the X-ray position and 2MASS PSC source (pos.angDistance)
Jmag12.201 mag [-1.5/18.8] 2MASS J magnitude; 1.2um (phot.mag;em.IR.J)
e_Jmag 0.029 mag [0/10] Mean error on J magnitude (stat.error;phot.mag;em.IR.J)
Hmag11.295 mag [-1.9/17.8] 2MASS H magnitude; 1.6um (phot.mag;em.IR.H)
e_Hmag 0.037 mag [0/0.7] Mean error on H magnitude (stat.error;phot.mag;em.IR.H)
Kmag10.485 mag [-2.1/17] 2MASS Ks magnitude; 2.2um (phot.mag;em.IR.K)
e_Kmag 0.022 mag [0/0.4] Mean error on Ks magnitude (stat.error;phot.mag;em.IR.K)
RC3Name    RC3 Galaxy name (meta.id.cross)
RA3deg  deg Right ascension (J2000), from RC3 or NED (pos.eq.ra)
DE3deg  deg Declination (J2000), from RC3 or NED (pos.eq.dec)
D3  arcsec [0.1/36585] Angular separation from the RC3 match (pos.angDistance)
rD3    Ratio of angular separation to D25 isophote elliptical radius (pos.angDistance)
Dist  Mpc [0.05/232.2] Distance to the galaxy (pos.distance;pos.heliocentric)
Lmax  10-7W Maximum 0.2-12.0 keV luminosity (erg/s) (phys.luminosity;em.X-ray)

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