This table is available for ADQL queries and through the TAP endpoint.
Resource Description:
For a list of all services and tables belonging to this table's resource, see Information on resource 'The 2MASS point source catalog'
To cite the table as such, we suggest the following BibTeX entry:
@MISC{vo:twomass_data, year=2008, title={The {2MASS} point source catalog}, author={{GAVO} Data Centre}, url={https://dc.zah.uni-heidelberg.de/tableinfo/twomass.data}, howpublished={{VO} resource provided by the {GAVO} Data Center} }
Sorted by DB column index. [Sort alphabetically]
Name | Table Head | Description | Unit | UCD |
---|---|---|---|---|
RAJ2000 | RA (J2000) | Right ascension (J2000) | deg | pos.eq.ra;meta.main |
DEJ2000 | DEC (J2000) | Declination (J2000) | deg | pos.eq.dec;meta.main |
errMaj | Err(pos)_major | Major axis of position error ellipse | deg | stat.error;pos.eq |
errMin | Err(pos)_minor | Minor axis of position error ellipse | deg | stat.error;pos.eq |
errPA | PA(err. ellipse) | Position angle of error ellipse major axis (E of N) | deg | stat.error;pos.eq |
mainid | Cat. Id | Source designation | N/A | meta.id;meta.main |
Jmag | m_J | 2MASS J magnitude | mag | phot.mag;em.IR.J |
Jcmsig | Err'(m_J) | J default magnitude uncertainty | mag | stat.error;phot.mag;em.IR.J |
e_Jmag | Err(m_J) | 2MASS J total magnitude uncertainty | mag | stat.error;phot.mag;em.IR.J |
Jsnr | SNR(J) | J Signal-to-noise ratio | N/A | stat.snr;phot.mag;em.IR.J |
Hmag | m_H | 2MASS H magnitude | mag | phot.mag;em.IR.H |
Hcmsig | Err'(m_H) | H default magnitude uncertainty | mag | stat.error;phot.mag;em.IR.H |
e_Hmag | Err(m_H) | 2MASS H total magnitude uncertainty | mag | stat.error;phot.mag;em.IR.H |
Hsnr | SNR(H) | H Signal-to-noise ratio | N/A | stat.snr;phot.mag;em.IR.H |
Kmag | m_K | 2MASS K_s magnitude | mag | phot.mag;em.IR.K |
Kcmsig | Err'(m_K) | magnitude uncertainty | mag | stat.error;phot.mag;em.IR.K |
e_Kmag | Err(m_K) | 2MASS K_s total magnitude uncertainty | mag | stat.error;phot.mag;em.IR.K |
Ksnr | SNR(K) | K Signal-to-noise ratio | N/A | stat.snr;phot.mag;em.IR.K |
Qflg | Phot. quality | JHK photometric quality flag [Note q] | N/A | meta.code.qual;phot |
Rflg | Qual. source | JHK default magnitude read flag [Note r] | N/A | meta.ref |
Bflg | blend flag | JHK blend flag [Note b] | N/A | meta.code |
Cflg | confusion contamination | Contamination and confusion flag [Note c] | N/A | meta.code |
Xflg | ext. src contamination | Extended source contamination | N/A | meta.code |
Aflg | solar system flag | Association with asteroid or comet | N/A | meta.code |
pts_key | key | Unique source identifier in catalogue [Note p] | N/A | meta.id;meta.table |
"date" | Obs. date | Observation date | yr | time.epoch;obs |
Scan | Scan number | Scan number (within date) | N/A | meta.id;obs.field |
Xscan | d(plate center) | Distance of source from focal plane centerline | deg | pos.distance;pos.cartesian;instr.det |
JD | JD | Julian date of detection | d | time.epoch |
edgeNS | d(NS edge) | Distance from the source to the nearest North or South scan edge | deg | pos;arith.diff |
edgeEW | d(EW edge) | Distance from the source to the nearest East or West scan edge | deg | pos;arith.diff |
edge | Edge flag | flag indicating to which edges the edgeNS and edgeEW values refer | N/A | meta.code;pos.cartesian;instr.det |
dup | Duplicity | Flag indicating duplicate source | N/A | meta.code |
use_src | Use | Use source flag | N/A | meta.code |
Columns that are parts of indices are marked like this.
VO nerds may sometimes need VOResource XML for this table.