VizieR Online Data Catalog: New ultra-cool dwarfs from SDSS and 2MASS (Zhang+, 2009)
Abstract
SDSS and 2MASS photometry of 129 ultra-cool dwarf candidates. The photometric data are from the seventh Data Release of the SDSS Photometric and the 2MASS All-Sky Catalog of Point Sources. Proper motions are found by dividing the difference between the 2MASS and SDSS coordinates by the observational epoch difference. Spectral types are based on the relationship between spectral type and SDSS and 2MASS colors.
(1 data file).- Publication:
-
VizieR Online Data Catalog
- Pub Date:
- April 2009
- DOI:
- 10.26093/cds/vizier.34970619
- Bibcode:
- 2009yCat..34970619Z
- Keywords:
-
- Infrared sources;
- Stars: late-type;
- Photometry: SDSS;
- Photometry: infrared