1994A&A...289..871M

Query : 1994A&A...289..871M

1994A&A...289..871M - Astronomy and Astrophysics, volume 289871-874 (1994/9-3)

Period variations of the late type contact binaries YY Eri and AE Phe: how to use light curves outside minimum.

MACERONI C. and VAN'T VEER F.

Abstract (from CDS):

We present and compare minimum times, computed for light curves of the W Uma type binaries YY Eri and AE Phe. Two different methods are used: the Leiden method formulated by Kwee & van Woerden and the light curve synthesis method developed by Wilson & Devinney. It is shown that the latter gives more and better information, and is even capable to extract the times of conjunction. Its application requires a complete analysis of the parameters of the system, including the surface inhomogeneities. The observations are available in electronic form.

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Journal keyword(s): binaries: close - stars: individual: YY Eri, AE Phe - methods: data analysis

VizieR on-line data: <Available at CDS (J/A+A/289/871): aephe yyeri>

Simbad objects: 5

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Number of rows : 5
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 HD 9067 * 01 28 18.8866236432 -49 00 20.994872796   7.73 6.96     G3II/III 22 0
2 V* AE Phe SB* 01 32 32.9320741344 -49 31 41.289934908   8.75 8.15     G4V 135 0
3 HD 26600 ** 04 12 01.9255 -09 16 22.195   9.16 8.64     F6V 9 0
4 V* YY Eri SB* 04 12 08.8493445840 -10 28 09.993826452   9.08 8.41   7.673 G3V 226 0
5 V* VW Cep SB* 20 37 21.6316723003 +75 36 01.894463230   8.13   7.0   G8V+K0V 561 0

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