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2MASS All-Sky Point Source Catalog (PSC)
This is a quick guide for Gator user. This section describes step-by-step usage examples of how to build queries with Gator. This link leads you to Gator front page. Check status of your Gator job.

 
SPATIAL CONSTRAINTS
SINGLE OBJECT SEARCH
 
Coordinate or
Object Name:
  Examples:
289.3848 11.9674 eq |  46.5377 -0.2518 ga |
19h17m32s 11d58m02s Equ J2000 |  M 31
 
Search Method (choose one):
  Cone: Radius   PA Axial Ratio
(0<Radius≤3600 arcsec)  
  Box: Size:   arcsec
(0<Size≤7200)
  Polygon: Vertices:
MULTI-OBJECT SEARCH
   Upload Table:
(0<Radius<=300 arcsec)  
Cone Search Radius: PA  Axial Ratio 
ALL-SKY SEARCH
   No Spatial Constraints

 
OPTIONS:
Table Output      E-mail Address (optional):
Source Counts Only


 
COLUMN CONSTRAINTS/OUTPUT COLUMN SELECTION
  Table Selection                    Order By  
Name Description Sel Low Limit
(include >,≥,=)		 Up Limit
(include <,≤,=)		 Units Indx DBType
  ra  right ascension (J2000 decimal deg) deg   decimal(9,6)
  dec  declination (J2000 decimal deg)   deg X decimal(8,6)
  err_maj  major axis of 1-sigma error ellipse arcsec   decimal(3,2)
  err_min  minor axis of 1-sigma error ellipse   arcsec   decimal(3,2)
  err_ang  angle of error ellipse major axis (E of N)   deg   smallint
  designation  source designation formed from sexigesimal coordinates     char(17)
  j_m  J band selected "default" magnitude mag   decimal(5,3)
  j_cmsig  corrected J band photometric uncertainty   mag   decimal(4,3)
  j_msigcom  combined (total) J band photometric uncertainty mag   decimal(4,3)
  j_snr  J band "scan" signal-to-noise ratio     decimal(9,1)
  h_m  H band selected "default" magnitude mag   decimal(5,3)
  h_cmsig  corrected H band photometric uncertainty   mag   decimal(4,3)
  h_msigcom  combined (total) H band photometric uncertainty mag   decimal(4,3)
  h_snr  H band "scan" signal-to-noise ratio     decimal(9,1)
  k_m  K band selected "default" magnitude mag   decimal(5,3)
  k_cmsig  corrected K band photometric uncertainty   mag   decimal(4,3)
  k_msigcom  combined (total) K band photometric uncertainty mag   decimal(4,3)
  k_snr  K band "scan" signal-to-noise ratio     decimal(9,1)
  ph_qual  flag indicating photometric quality of source     char(3)
  rd_flg  source of JHK "default" mags (AKA "read flag")     char(3)
  bl_flg  indicates # JHK components fit simultaneously to source     char(3)
  cc_flg  indicates JHK artifact contamination and/or confusion     char(3)
  ndet  number of >3-sig. ap. mag measurements, # possible (jjhhkk)     char(6)
  prox  distance in arcsec to nearest catalog point source arcsec   decimal(4,1)
  pxpa  angle (deg E of N) to nearest catalog point source deg   smallint
  pxcntr  cntr of nearest catalog point source     integer
  gal_contam  flag indicating if src is contaminated by extended source     smallint
  mp_flg  src is positionally associated with an asteroid, comet, etc     smallint
  jdate  julian date of source measurement to +/- 30 sec jdate   decimal(11,4)
 
 
ADDITIONAL CONSTRAINTS (SQL) help


The format for date type is yyyy-mm-dd
 
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