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II/246/out 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
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)
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ColumnValue  Explain   (UCD)
_RAJ200001 25 01.214 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DEJ2000+13 47 06.49 "d:m:s" Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data) (pos.eq.dec)
_RAB195001 22 21.655 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data) (pos.eq.ra)
_DEB1950+13 31 30.57 "d:m:s" Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data) (pos.eq.dec)
_Glon135.2353 deg Galactic longitude (computed by VizieR, not part of the original data) (pos.galactic.lon)
_Glat-48.2827 deg Galactic latitude (computed by VizieR, not part of the original data) (

RAJ2000021.255060 deg (i) (ra) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+13.785136 deg (i) (dec) Declination (J2000) (dec) (pos.eq.dec;meta.main)
errMaj 0.20 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 90 deg [0,180] (err_ang) Position angle of error ellipse major axis (E of N) (stat.error)
2MASS01250121+1347064  (i) (designation) Source designation (Note 1)   (;meta.main)
Jmag12.636 mag (i) (j_m) J selected default magnitude (Note 2)   (phot.mag;em.IR.J)
Jcmsig 0.018 mag (j_cmsig) J default magnitude uncertainty (Note 3)   (stat.error;phot.mag)
e_Jmag 0.022 mag (j_msigcom) J total magnitude uncertainty (Note 4)   (stat.error;phot.mag;em.IR.J)
Jsnr 287.1  (j_snr) J Signal-to-noise ratio (stat.snr)
Hmag12.134 mag (i) (h_m) H selected default magnitude (Note 2)   (phot.mag;em.IR.H)
Hcmsig 0.020 mag (h_cmsig) H default magnitude uncertainty (Note 3)   (stat.error;phot.mag)
e_Hmag 0.022 mag (h_msigcom) H total magnitude uncertainty (Note 4)   (stat.error;phot.mag;em.IR.H)
Hsnr 240.1  (h_snr) H Signal-to-noise ratio (stat.snr)
Kmag11.958 mag (i) (k_m) K selected default magnitude (Note 2)   (phot.mag;em.IR.K)
Kcmsig 0.021 mag (k_cmsig) K default magnitude uncertainty (Note 3)   (stat.error;phot.mag)
e_Kmag 0.023 mag (k_msigcom) K total magnitude uncertainty (Note 4)   (stat.error;phot.mag;em.IR.K)
Ksnr 101.9  (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   [0-9] (ndet) Number of aperture measurements (jjhhkk) (Note 9)   (meta.number)
prox 32.2 arcsec Distance between source and nearest neighbour (pos.angDistance)
pxPA 55 deg (pxpa) Position angle of vector from source to nearest neighbour (E of N) (pos.posAng)
pxCntr1249217835  (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)
Cntr1249217828  (pts_key) Unique source identifier in catalogue (;meta.table)
Hemisn   [ns] (hemis) Hemisphere of observation (obs.param;obs)
Date1997-09-08  (date) Observation date (time.epoch;obs)
Scan 49  (scan) Scan number (within date) (obs.field)
GLON135.235 deg (glon) Galactic longitude (Note 12)   (pos.galactic.lon)
GLAT-48.283 deg (glat) Galactic latitude (Note 12)   (
Xscan 88.8 arcsec (x_scan) Distance of source from focal plane centerline (pos.cartesian;instr.det)
JD2450699.9295 d (jdate) Julian date of source measurement (Note 13)   (time.epoch)
Jpsfchi 1.61  (j_psfchi) J band reduced chi2 value of fit (;stat.value)
Hpsfchi 1.67  (h_psfchi) H band reduced chi2 value of fit (;stat.value)
Kpsfchi 1.03  (k_psfchi) K band reduced chi2 value of fit (;stat.value)
Jstdap12.653 mag (jmstdap) J standard aperture magnitude (Note 18)   (phot.mag;em.IR.J)
e_Jstdap 0.023 mag (jmsigstdap) error on Jstdap (stat.error)
Hstdap12.146 mag (hmstdap) H standard aperture magnitude (Note 18)   (phot.mag;em.IR.H)
e_Hstdap 0.014 mag (hmsigstdap) error on Hstdap (stat.error)
Kstdap11.960 mag (kmstdap) K standard aperture magnitude (Note 18)   (phot.mag;em.IR.K)
e_Kstdap 0.028 mag (kmsigstdap) error on Kstdap (stat.error)
edgeNS 6950 arcsec (distedgens) Distance from the source to the nearest North or South scan edge (pos;arith.diff)
edgeEW165 arcsec (distedgeew) Distance from the source to the nearest East or West scan edge (pos;arith.diff)
edgesw   [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.dataset)
Dopt 0.5 arcsec (dist_opt) Distance to associated optical source (pos.angDistance)
PAopt210 deg [0,360] (phi_opt) position angle from optical source to the 2MASS source position (pos.posAng)
Bmag15.50 mag (bmopt) Blue magnitude of associated optical source (phot.mag;em.opt.B)
Rmag14.20 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 (
scanKey67084  (scan_key) Record Identifier in the Scan Information Table (
coaddKey1542917  (coadd_key) Record Identifier in the Atlas Image Data Table (;meta.dataset)
coadd 91  (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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