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The OC1 classifier
The OC1 home page
Catalog data used in ClassX
X-ray
WGACAT (White-Giommi-Angelini Catalog)
The WGACAT home page
WGACAT at HEASARC
WGACAT at VizieR
RASSBSC (ROSAT All-Sky Survey Bright Source Catalog)
The RASSBSC home page
RASSBSC at HEASARC
RASSBSC at VizieR
RASSFSC (ROSAT All-Sky Survey Faint Source Catalog)
The RASSFSC home page
RASSFSC at HEASARC
RASSFSC at VizieR
ROSPSPC (ROSAT PSPC catalog)
The ROSPSPC home page
ROSPSPC at HEASARC
ROSPSPC at VizieR
Infrared
2MASS (2 Micron All-Sky Survey)
The 2MASS home page at IPAC
The 2MASS home page at UMASS
The 2MASS home page at the Harvard-Smithsonian Center for Astrophysics
2MASS at VizieR
Optical
USNO B1.0
The USNO B1.0 page at USNO
USNO B1.0 at VizieR
GSC 2.2
The GSC2 home page
GSC 2.2 at VizieR
Radio
NVSS (NRAO VLA Sky Survey)
The NVSS home page
NVSS at VizieR
SUMSS (Sydney University Molonglo Sky Survey)
The SUMSS home page
SUMSS at VizieR
VOTABLE
VOTABLE documentation at
CDS
VOTABLE documention at us-vo.org
NVO
The NVO home page
Other useful links
HEASARC
HEASARC
Browse
CDS
VizieR
Date of last modification: Wednesday, December 03, 2003
Responsible NASA official: Tom McGlynn
Curator: Eric Winter