VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

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II/246/out 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
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The Point Source catalogue of 470,992,970 sources. Please acknowledge the usage of the 2MASS All-Sky Survey; see also the 2MASS Pages.    Note that the magnitudes in red correspond to low quality results (upper limits or very poor photometry) (470992970 rows) 		  -c=275.881053 -56.255688, eq=J2000, rs=0.005
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ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (275.881053-56.255688)[FK5/J2000] (pos.angDistance)
_RAJ200018 23 31.45272 "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)
_DEJ2000-56 15 20.4768 "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)
_RAB195018 19 18.03340 "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)
_DEB1950-56 16 53.9434 "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)
_Glon338.50826679 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-18.60833115 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)
RAJ2000275.881053 deg (i) (ra) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000-56.255688 deg (i) (dec) Declination (J2000) (dec) (pos.eq.dec;meta.main)
errMaj 0.06 arcsec (err_maj) Semi-major axis of position error ellipse (stat.error)
errMin 0.06 arcsec (err_min) Semi-minor axis of position error ellipse (stat.error)
errPA 45 deg [0,180] (err_ang) Position angle of error ellipse major axis (E of N) (stat.error)
2MASS18233145-5615204  (i) (designation) Source designation (Note 1)   (meta.id;meta.main)
Jmag12.448 mag (i) (j_m) J selected default magnitude (Note 2)   (phot.mag;em.IR.J)
Jcmsig 0.019 mag (j_cmsig) J default magnitude uncertainty (Note 3)   (stat.error;phot.mag)
e_Jmag 0.023 mag (j_msigcom) J total magnitude uncertainty (Note 4)   (stat.error;phot.mag)
Jsnr 341.4  (j_snr) J Signal-to-noise ratio (stat.snr)
Hmag12.151 mag (i) (h_m) H selected default magnitude (Note 2)   (phot.mag;em.IR.H)
Hcmsig 0.025 mag (h_cmsig) H default magnitude uncertainty (Note 3)   (stat.error;phot.mag)
e_Hmag 0.027 mag (h_msigcom) H total magnitude uncertainty (Note 4)   (stat.error;phot.mag)
Hsnr 185.6  (h_snr) H Signal-to-noise ratio (stat.snr)
Kmag12.114 mag (i) (k_m) K selected default magnitude (Note 2)   (phot.mag;em.IR.K)
Kcmsig 0.023 mag (k_cmsig) K default magnitude uncertainty (Note 3)   (stat.error;phot.mag)
e_Kmag 0.025 mag (k_msigcom) K total magnitude uncertainty (Note 4)   (stat.error;phot.mag)
Ksnr 108.6  (k_snr) K Signal-to-noise ratio (stat.snr)
QflgAAA  (ph_qual) JHK Photometric quality flag (Note 5)   (meta.code.qual;phot)
Rflg222  (rd_flg) Source of JHK default mag (Note 6)   (meta.ref)
Bflg111  (bl_flg) JHK components fit to source (Note 7)   (meta.code)
Cflg000  (cc_flg) Artifact contamination, confusion (Note 8)   (meta.code)
Ndet666666  (ndet) Number of aperture measurements (jjhhkk) (Note 9)   (meta.number)
prox 20.5 arcsec Distance between source and nearest neighbour (pos.angDistance)
pxPA340 deg (pxpa) Position angle of vector from source to nearest neighbour (E of N) (pos.posAng)
pxCntr 554525962  (pxcntr) Sequence number of nearest neighbour (meta.number)
Xflg0   [0,2] (gal_contam) Extended source contamination (Note 10)   (meta.code)
Aflg0   [0,1] (mp_flg) Association with asteroid or comet (Note 11)   (meta.code)
Cntr 554525942  (pts_key) Unique source identifier in catalogue (meta.id;meta.table)
Hemiss   [ns] (hemis) Hemisphere of observation (obs.param;obs)
Date1999-08-02  (date) Observation date (time.epoch;obs)
Scan 47  (scan) Scan number (within date) (obs.field)
GLON338.508 deg (glon) Galactic longitude (Note 12)   (pos.galactic.lon)
GLAT-18.608 deg (glat) Galactic latitude (Note 12)   (pos.galactic.lat)
Xscan -63.9 arcsec (x_scan) Distance of source from focal plane centerline (pos.cartesian;instr.det)
JD2451392.5887 d (i) (jdate) Julian date of source measurement (Note 13)   (time.epoch)
Jpsfchi 0.81  (j_psfchi) J band reduced chi2 value of fit (stat.fit.chi2;stat.value)
Hpsfchi 1.08  (h_psfchi) H band reduced chi2 value of fit (stat.fit.chi2;stat.value)
Kpsfchi 1.05  (k_psfchi) K band reduced chi2 value of fit (stat.fit.chi2;stat.value)
Jstdap12.453 mag (jmstdap) J standard aperture magnitude (Note 18)   (phot.mag;em.IR.J)
e_Jstdap 0.008 mag (jmsigstdap) error on Jstdap (stat.error)
Hstdap12.154 mag (hmstdap) H standard aperture magnitude (Note 18)   (phot.mag;em.IR.H)
e_Hstdap 0.026 mag (hmsigstdap) error on Hstdap (stat.error)
Kstdap12.100 mag (kmstdap) K standard aperture magnitude (Note 18)   (phot.mag;em.IR.K)
e_Kstdap 0.019 mag (kmsigstdap) error on Kstdap (stat.error)
edgeNS 8663 arcsec (distedgens) Distance from the source to the nearest North or South scan edge (pos;arith.diff)
edgeEW188 arcsec (distedgeew) Distance from the source to the nearest East or West scan edge (pos;arith.diff)
edgene   [nsew] (distedgeflg) flag indicating to which edges the edgeNS and edgeEW values refer (pos.cartesian;instr.det)
dup0  (dup_src) Flag indicating duplicate source (Note 14)   (meta.code)
use1  (use_src) Use source flag (Note 15)   (meta.code)
optU   [0UT] (a) Associated optical source (Note 16)   (meta.id;meta.dataset)
Dopt 0.2 arcsec (dist_opt) Distance to associated optical source (pos.angDistance)
PAopt298 deg [0,360] (phi_opt) position angle from optical source to the 2MASS source position (pos.posAng)
Bmag13.90 mag (bmopt) Blue magnitude of associated optical source (phot.mag;em.opt.B)
Rmag13.30 mag (vrmopt) Visual or red mag of associated optical source (phot.mag;em.opt.R)
Nopt1  (nopt_mchs) Number of optical sources within 5arcsec (Note 17)   (meta.number)
extKey   (ext_key) Record Identifier in XSC (meta.id.cross)
scanKey30476  (scan_key) Record Identifier in the Scan Information Table (meta.id)
coaddKey 700939  (coadd_key) Record Identifier in the Atlas Image Data Table (meta.id;meta.dataset)
coadd162  (coadd) Sequence number of the Atlas Image (meta.number)
OptOpt  Show the nearby Optical Sources from USNO and GSC Catalogues (meta.ref.url)
  
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