Cataclysmic variables from Sloan Digital Sky Survey.: IV.: The fourth year (2003)

被引：119

作者：

Szkody, P

Henden, A

Fraser, OJ

Silvestri, NM

Schmidt, GD

Bochanski, JJ

Wolfe, MA

Agüeros, M

Anderson, SF

Mannikko, L

Downes, RA

Schneider, DP

Brinkmann, J

机构：

[1] Univ Washington, Dept Astron, Seattle, WA 98195 USA

[2] USN Observ, Flagstaff Stn, Flagstaff, AZ 86002 USA

[3] Univ Arizona, Steward Observ, Tucson, AZ 85721 USA

[4] Space Telescope Sci Inst, Baltimore, MD 21218 USA

[5] Penn State Univ, Dept Astron & Astrophys, Davey Lab 525, University Pk, PA 16802 USA

[6] Apache Point Observ, Sunspot, NM 88349 USA

来源：

ASTRONOMICAL JOURNAL | 2005年 / 129卷 / 05期

关键词：

binaries : eclipsing; binaries : spectroscopic; dwarf novae; novae; cataclysmic variables;

D O I：

10.1086/429595

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

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.

引用

页码：2386 / 2399

页数：14

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