2006MNRAS.371.1675K

Query : 2006MNRAS.371.1675K

2006MNRAS.371.1675K - Mon. Not. R. Astron. Soc., 371, 1675-1680 (2006/October-1)

Photometry of the magnetic white dwarf SDSS 121209.31+013627.7.

KOEN C. and MAXTED P.F.L.

Abstract (from CDS):

The results of 27 h of time series photometry of SDSS 121209.31+013627.7 are presented. The binary period established from spectroscopy is confirmed and refined to 0.061412d (88.43 min). The photometric variations are dominated by a brightening of about 16 mmag, lasting a little less than half a binary cycle. The amplitude is approximately the same in V,R and white light. A secondary small brightness increase during each cycle may also be present. We speculate that SDSS 121209.31+013627.7 may be a polar in a low state.

Abstract Copyright: 2006 The Authors. Journal compilation © 2006 RAS

Journal keyword(s): binaries: close - stars: individual: SDSS 121209.31+013627.7 (read: SDSS J121209.31+013627.7) - stars: low mass, brown dwarfs - stars: variables: other

Simbad objects: 2

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Number of rows : 2
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 V* V379 Vir CV* 12 12 09.3077194872 +01 36 27.771237504           DAH 78 0
2 GD 245 CV* 22 58 48.1351624092 +25 15 43.908615894   13.699 13.650 13.833   DA2.2 74 0

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