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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)
  -c=135.1765948 +28.2920617, Cntr=1037612129
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ColumnValue  Explain   (UCD)
_r 0.044 arcsec Distance from center (135.176595+28.292062)[FK5/J2000] (pos.angDistance)
_RAJ200009 00 42.38040 "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+28 17 31.3908 "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)
_RAB195008 57 43.01696 "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+28 29 17.3788 "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)
_Glon197.37456120 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+39.42562239 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)

RAJ2000135.176585 deg (i) (ra) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000+28.292053 deg (i) (dec) Declination (J2000) (dec) (pos.eq.dec;meta.main)
errMaj 0.09 arcsec (err_maj) Semi-major axis of position error ellipse (stat.error)
errMin 0.07 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)
2MASS09004238+2817313  (i) (designation) Source designation (Note 1)   (meta.id;meta.main)
Jmag 9.623 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;em.IR.J)
Jsnr 5287.3  (j_snr) J Signal-to-noise ratio (stat.snr)
Hmag 9.127 mag (i) (h_m) H selected default magnitude (Note 2)   (phot.mag;em.IR.H)
Hcmsig 0.055 mag (h_cmsig) H default magnitude uncertainty (Note 3)   (stat.error;phot.mag)
e_Hmag 0.057 mag (h_msigcom) H total magnitude uncertainty (Note 4)   (stat.error;phot.mag;em.IR.H)
Hsnr 3221.9  (h_snr) H Signal-to-noise ratio (stat.snr)
Kmag 8.953 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 2724.1  (k_snr) K Signal-to-noise ratio (stat.snr)
QflgAAA  (ph_qual) JHK Photometric quality flag (Note 5)   (meta.code.qual;phot)
Rflg212  (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 9.4 arcsec Distance between source and nearest neighbour (pos.angDistance)
pxPA180 deg (pxpa) Position angle of vector from source to nearest neighbour (E of N) (pos.posAng)
pxCntr1037612127  (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)
Cntr1037612129  (pts_key) Unique source identifier in catalogue (meta.id;meta.table)
Hemisn   [ns] (hemis) Hemisphere of observation (obs.param;obs)
Date2000-03-19  (date) Observation date (time.epoch;obs)
Scan 34  (scan) Scan number (within date) (obs.field)
GLON197.375 deg (glon) Galactic longitude (Note 12)   (pos.galactic.lon)
GLAT 39.426 deg (glat) Galactic latitude (Note 12)   (pos.galactic.lat)
Xscan-181.2 arcsec (x_scan) Distance of source from focal plane centerline (pos.cartesian;instr.det)
JD2451622.6812 d (jdate) Julian date of source measurement (Note 13)   (time.epoch)
Jpsfchi 0.82  (j_psfchi) J band reduced chi2 value of fit (stat.fit.chi2;stat.value)
Hpsfchi 1.06  (h_psfchi) H band reduced chi2 value of fit (stat.fit.chi2;stat.value)
Kpsfchi 0.94  (k_psfchi) K band reduced chi2 value of fit (stat.fit.chi2;stat.value)
Jstdap 9.634 mag (jmstdap) J standard aperture magnitude (Note 18)   (phot.mag;em.IR.J)
e_Jstdap 0.009 mag (jmsigstdap) error on Jstdap (stat.error)
Hstdap 9.076 mag (hmstdap) H standard aperture magnitude (Note 18)   (phot.mag;em.IR.H)
e_Hstdap 0.028 mag (hmsigstdap) error on Hstdap (stat.error)
Kstdap 8.951 mag (kmstdap) K standard aperture magnitude (Note 18)   (phot.mag;em.IR.K)
e_Kstdap 0.005 mag (kmsigstdap) error on Kstdap (stat.error)
edgeNS 6173 arcsec (distedgens) Distance from the source to the nearest North or South scan edge (pos;arith.diff)
edgeEW 72 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)
optT   [0UT] (a) Associated optical source (Note 16)   (meta.id;meta.dataset)
Dopt 0.1 arcsec (dist_opt) Distance to associated optical source (pos.angDistance)
PAopt341 deg [0,360] (phi_opt) position angle from optical source to the 2MASS source position (pos.posAng)
Bmag12.30 mag (bmopt) Blue magnitude of associated optical source (phot.mag;em.opt.B)
Rmag11.25 mag (vrmopt) Visual or red mag of associated optical source (phot.mag;em.opt.R)
Nopt2  (nopt_mchs) Number of optical sources within 5arcsec (Note 17)   (meta.number)
extKey   (ext_key) Record Identifier in XSC (meta.id.cross)
scanKey55488  (scan_key) Record Identifier in the Scan Information Table (meta.id)
coaddKey1276218  (coadd_key) Record Identifier in the Atlas Image Data Table (meta.id;meta.dataset)
coadd197  (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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