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The Fifth U.S. Naval Observatory CCD Astrograph Catalog
The US Naval Observatory (USNO) has a long history of providing accurate astrometric data for millions of stars from their own observations plus other data. The USNO CCD... -
The Fourth U.S. Naval Observatory CCD Astrograph Catalog
UCAC4 is a compiled, all-sky star catalog covering mainly the 8 to 16 magnitude range in a single bandpass between V and R. Positional errors are about 15 to 20 mas for stars in... -
United States Naval Observatory B1.0 Catalog
This all-sky catalog, described in Monet et al. (2003), consists of positions, proper motions, magnitudes, and other measured quantities for 1,045,175,762 objects. The data were... -
2MASS Calibration Extended Source Working Database
Photometric calibration for 2MASS was performed using observations of calibration fields made at regular intervals during each night of survey operations. Measurements of... -
2MASS Survey Extended Source Reject Table
The 2MASS Survey Point and Extended Source "Reject" Tables (PSRT and XSRT) contain the 843,988,897 point and 943,441 extended source measurements from the Survey WDBs that were... -
2MASS LMC/SMC Calibration Extended Source Working Database
Photometric calibration for 2MASS was performed using observations of calibration fields made at regular intervals during each night of survey operations. Measurements of... -
2MASS Calibration Scan Information Table
Photometric calibration for 2MASS was performed using observations of calibration fields made at regular intervals during each night of survey operations. Measurements of... -
2MASS LMC/SMC Calibration Point Source Working Database
Photometric calibration for 2MASS was performed using observations of calibration fields made at regular intervals during each night of survey operations. Measurements of... -
2MASS LMC/SMC Calibration Merged Point Source Information Table
Photometric calibration for 2MASS was performed using observations of calibration fields made at regular intervals during each night of survey operations. Measurements of... -
2MASS All-Sky Survey Scan Information Table
The 2MASS Scan Information Table provides basic data for each scan in the 2MASS All Sky Release. The table is organized according to the broad function and utility of the... -
2MASS Survey Merged Point Source Information Table
The merged source tables contain the mean positions magnitudes and uncertainties for sources detected multiple times in each of the 2MASS data sets. The merging was carried out... -
2MASS Calibration Merged Point Source Information Table
Photometric calibration for 2MASS was performed using observations of calibration fields made at regular intervals during each night of survey operations. Measurements of... -
2MASS LMC/SMC Calibration Scan Information Table
Photometric calibration for 2MASS was performed using observations of calibration fields made at regular intervals during each night of survey operations. Measurements of... -
2MASS LMC/SMC Calibration Merged Extended Source Information Table
Photometric calibration for 2MASS was performed using observations of calibration fields made at regular intervals during each night of survey operations. Measurements of... -
2MASS Calibration Point Source Working Database
Photometric calibration for 2MASS was performed using observations of calibration fields made at regular intervals during each night of survey operations. Measurements of... -
2MASS Combined Calibration Field Source Table
Photometric calibration for 2MASS was performed using observations of calibration fields made at regular intervals during each night of survey operations. Measurements of... -
2MASS Survey Merged Extended Source Information Table
The merged source tables contain the mean positions magnitudes and uncertainties for sources detected multiple times in each of the 2MASS data sets. The merging was carried out... -
2MASS Calibration Merged Extended Source Information Table
Photometric calibration for 2MASS was performed using observations of calibration fields made at regular intervals during each night of survey operations. Measurements of... -
2MASS Survey Point Source Reject Table
The 2MASS Survey Point and Extended Source "Reject" Tables (PSRT and XSRT) contain the 843,988,897 point and 943,441 extended source measurements from the Survey WDBs that were...