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VizieR

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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)
  2MASS===00053889+6842027
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ColumnValue  Explain   (UCD)
_RAJ200000 05 38.89032 "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+68 42 02.7900 "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)
_RAB195000 03 01.89098 "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+68 25 21.2361 "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)
_Glon118.77342749 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+06.19953018 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)

RAJ2000001.412043 deg (i) (ra) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+68.700775 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 0 deg [0,180] (err_ang) Position angle of error ellipse major axis (E of N) (stat.error)
2MASS00053889+6842027  (i) (designation) Source designation (Note 1)   (meta.id;meta.main)
Jmag13.051 mag (i) (j_m) J selected default magnitude (Note 2)   (phot.mag;em.IR.J)
Jcmsig 0.024 mag (j_cmsig) J default magnitude uncertainty (Note 3)   (stat.error;phot.mag)
e_Jmag 0.027 mag (j_msigcom) J total magnitude uncertainty (Note 4)   (stat.error;phot.mag;em.IR.J)
Jsnr 189.3  (j_snr) J Signal-to-noise ratio (stat.snr)
Hmag12.597 mag (i) (h_m) H selected default magnitude (Note 2)   (phot.mag;em.IR.H)
Hcmsig 0.030 mag (h_cmsig) H default magnitude uncertainty (Note 3)   (stat.error;phot.mag)
e_Hmag 0.031 mag (h_msigcom) H total magnitude uncertainty (Note 4)   (stat.error;phot.mag;em.IR.H)
Hsnr 141.3  (h_snr) H Signal-to-noise ratio (stat.snr)
Kmag12.519 mag (i) (k_m) K selected default magnitude (Note 2)   (phot.mag;em.IR.K)
Kcmsig 0.029 mag (k_cmsig) K default magnitude uncertainty (Note 3)   (stat.error;phot.mag)
e_Kmag 0.030 mag (k_msigcom) K total magnitude uncertainty (Note 4)   (stat.error;phot.mag;em.IR.K)
Ksnr 83.0  (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)
Bflg121  (bl_flg) JHK components fit to source (Note 7)   (meta.code)
Cflg0c0  (cc_flg) Artifact contamination, confusion (Note 8)   (meta.code)
Ndet666666   [0-9] (ndet) Number of aperture measurements (jjhhkk) (Note 9)   (meta.number)
prox 5.8 arcsec Distance between source and nearest neighbour (pos.angDistance)
pxPA116 deg (pxpa) Position angle of vector from source to nearest neighbour (E of N) (pos.posAng)
pxCntr 799643207  (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 799643208  (pts_key) Unique source identifier in catalogue (meta.id;meta.table)
Hemisn   [ns] (hemis) Hemisphere of observation (obs.param;obs)
Date1999-10-16  (date) Observation date (time.epoch;obs)
Scan 75  (scan) Scan number (within date) (obs.field)
GLON118.773 deg (glon) Galactic longitude (Note 12)   (pos.galactic.lon)
GLAT 6.200 deg (glat) Galactic latitude (Note 12)   (pos.galactic.lat)
Xscan-186.1 arcsec (x_scan) Distance of source from focal plane centerline (pos.cartesian;instr.det)
JD2451467.7908 d (jdate) Julian date of source measurement (Note 13)   (time.epoch)
Jpsfchi 1.39  (j_psfchi) J band reduced chi2 value of fit (stat.fit.chi2;stat.value)
Hpsfchi 1.19  (h_psfchi) H band reduced chi2 value of fit (stat.fit.chi2;stat.value)
Kpsfchi 1.10  (k_psfchi) K band reduced chi2 value of fit (stat.fit.chi2;stat.value)
Jstdap13.047 mag (jmstdap) J standard aperture magnitude (Note 18)   (phot.mag;em.IR.J)
e_Jstdap 0.018 mag (jmsigstdap) error on Jstdap (stat.error)
Hstdap12.587 mag (hmstdap) H standard aperture magnitude (Note 18)   (phot.mag;em.IR.H)
e_Hstdap 0.040 mag (hmsigstdap) error on Hstdap (stat.error)
Kstdap12.517 mag (kmstdap) K standard aperture magnitude (Note 18)   (phot.mag;em.IR.K)
e_Kstdap 0.016 mag (kmsigstdap) error on Kstdap (stat.error)
edgeNS10232 arcsec (distedgens) Distance from the source to the nearest North or South scan edge (pos;arith.diff)
edgeEW 68 arcsec (distedgeew) Distance from the source to the nearest East or West scan edge (pos;arith.diff)
edgese   [nsew] (distedgeflg) flag indicating to which edges the edgeNS and edgeEW values refer (pos.cartesian;instr.det)
dup1  (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 0.5 arcsec (dist_opt) Distance to associated optical source (pos.angDistance)
PAopt236 deg [0,360] (phi_opt) position angle from optical source to the 2MASS source position (pos.posAng)
Bmag16.40 mag (bmopt) Blue magnitude of associated optical source (phot.mag;em.opt.B)
Rmag15.10 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)
scanKey43714  (scan_key) Record Identifier in the Scan Information Table (meta.id)
coaddKey1005410  (coadd_key) Record Identifier in the Atlas Image Data Table (meta.id;meta.dataset)
coadd126  (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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