2009AJ....137.3606H

Query : 2009AJ....137.3606H

2009AJ....137.3606H - Astron. J., 137, 3606-3614 (2009/March-0)

XMM-Newton and optical observations of cataclysmic variables from the Sloan Digital Sky Survey.

HILTON E.J., SZKODY P., MUKADAM A., HENDEN A., DILLON W. and SCHMIDT G.D.

Abstract (from CDS):

We report on XMM-Newton and optical results for six cataclysmic variables that were selected from Sloan Digital Sky Survey (SDSS) spectra because they showed strong He II emission lines, indicative of being candidates for containing white dwarfs with strong magnetic fields. While high X-ray background rates prevented optimum results, we are able to confirm SDSS J233325.92+152222.1 as an intermediate polar from its strong pulse signature at 21 minutes and its obscured hard X-ray spectrum. Ground-based circular polarization and photometric observations were also able to confirm SDSS J142256.31-022108.1 as a polar with a period near 4 hr. Photometry of SDSS J083751.00+383012.5 and SDSS J093214.82+495054.7 solidifies the orbital period of the former as 3.18 hr and confirms the latter as a high-inclination system with deep eclipses.

Abstract Copyright: ∼

Journal keyword(s): novae, cataclysmic variables - stars: individual (SDSS J233325.92+152222.1, SDSS J093214.82+495054.7, SDSS J083751.00+383012.5, SDSS J142256.31-022108.1, SDSS J154104.67+360252.9, SDSS J204827.91+005008.9) - X-rays: stars

Simbad objects: 10

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Number of rows : 10
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 SDSS J083751.00+383012.5 CV* 08 37 51.0093306984 +38 30 12.591499788           D+M 27 0
2 V* QS UMa CV* 09 32 14.8304596680 +49 50 54.692429712   17.44       F9 24 0
3 V* EX Hya CV* 12 52 24.2222471899 -29 14 55.999766523   13.505 13.491 13.549   M5-6V 730 0
4 V* PZ Vir CV* 13 24 11.5773233808 +03 20 50.414201160   22.47 21.37 20.5   M5:V 28 0
5 2QZ J142256.3-022108 CV* 14 22 56.3158793592 -02 21 07.987872384   19.54       ~ 14 0
6 SDSS J144659.95+025330.3 CV* 14 46 59.9558922576 +02 53 30.401221092           ~ 15 0
7 V* BM CrB XB* 15 41 04.6700788056 +36 02 52.844377992           ~ 19 0
8 V* MQ Dra CV* 15 53 31.1198078328 +55 16 14.475178272     17.35     M5Ve 57 0
9 SDSS J204827.91+005008.9 CV* 20 48 27.9160698672 +00 50 08.957106240   19.45 19.04     M3+D 29 0
10 V* V598 Peg CV* 23 33 25.9215793536 +15 22 22.152761760   18.4   18.4   ~ 31 0

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