New ultra-cool dwarfs from SDSS and 2MASS (Zhang+, 2009)

Bibcode
2009yCat..34970619Z
Zhang, Z. H.; Pokorny, R. S.; Jones, H. R. A.; Pinfield, D. J.; Chen, P. S.; Han, Z.; Chen, D.; Galvez-Ortiz, M. C.; Burningham, B.
Referencia bibliográfica

VizieR On-line Data Catalog: J/A+A/497/619. Originally published in: 2009A&A...497..619Z

Fecha de publicación:
4
2009
Número de autores
9
Número de autores del IAC
0
Número de citas
0
Número de citas referidas
0
Descripción
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).
Tipo
Sin árbitro
Fuentes infrarrojas
Fotometría

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