Optical and Near-Infrared Spectroscopy of the L Subdwarf SDSS J125637.13-022452.4May 1, 2009·Adam J. Burgasser,Soeren Witte,Christiane Helling,Robyn E. Sanderson,John J. Bochanski,Peter H. Hauschildt· 0 min read Cite DOI arXivTypeJournal articlePublicationapjLast updated on Aug 13, 2025Stars: Chemically Peculiar Stars: Individual: SDSS J125637.13-022452.4 Stars: Low-Mass Brown Dwarfs Subdwarfs Astrophysics - Solar and Stellar Astrophysics ← Bridging the Gap: A New Eclipsing M Dwarf Binary, 2MASS 0426+0323 May 1, 2009SEGUE: A Spectroscopic Survey of 240,000 Stars with g = 14-20 May 1, 2009 →