Cataclysmic Variables from Sloan Digital Sky Survey. IV. The Fourth Year (2003)

Details Cataclysmic Variables from Sloan Digital Sky Survey. IV. The Fourth Year (2003) Cataclysmic Variables from Sloan Digital Sky Survey. IV. The Fourth Year (2003)

May 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aj....129.2386s&link_type=abstract

The Astronomical Journal, Volume 129, Issue 5, pp. 2386-2399.

Astronomy and Astrophysics

Astronomy

63

Stars: Binaries: Eclipsing, Stars: Binaries: Spectroscopic, Stars: Dwarf Novae, Stars: Novae, Cataclysmic Variables

Scientific paper

This paper continues the series presenting cataclysmic variables identified during the fourth year (2003) of the Sloan Digital Sky Survey. We describe 44 close binary systems, of which 12 are the previously known systems EN Cet, EG Cnc, V844 Her, GG Leo, Leo 7, CY UMa, DV UMa, EK UMa, EV UMa, UMa 8, EUVE J0854+390, and RX J0859.1+0537 and 32 are new cataclysmic variables. As in the previous papers, the positions, colors, and spectra of all 44 systems are shown, along with follow-up spectroscopic, photometric, and/or polarimetric observations of 15 of the new systems. The new objects include one eclipsing system, eight with prominent He II emission (of which two are confirmed new polars), and 12 systems showing features of the underlying stars. Our spectropolarimetry also confirms EUVE J0854+390 as a polar.
Based on observations obtained with the Sloan Digital Sky Survey and with the Apache Point Observatory (APO) 3.5 m telescope, which are owned and operated by the Astrophysical Research Consortium (ARC).

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