2012AJ....143...30C

Query : 2012AJ....143...30C

2012AJ....143...30C - Astron. J., 143, 30 (2012/February-0)

The first photometric study and orbital solution/period analysis of the misclassified binary system V380 Cas.

CHRISTOPOULOU P.-E., PAPAGEORGIOU A., KLEIDIS S. and TSANTILAS S.

Abstract (from CDS):

We present the first multicolor CCD photometry for the eclipsing binary V380 Cassiopeia (V380 Cas) observed on 34 nights in 2009 and 2010 at the University of Patras Observatory. The PHOEBE program based on the Wilson-Devinney algorithm was used to analyze the first complete BVRcIc light curves. It was found that V380 Cas was misclassified and it is a well-detached system consisting of two main-sequence stars. A range of solutions found to give satisfactory fits to the observations is also investigated. The first orbital solution based on the photometric mass ratio q = 1.08 of almost equal temperatures and masses and orbital inclination of i = 86°.57 was obtained. In addition, based on all available times of light minima, including 12 new ones, a new orbital period of P = 2.714539884 days is given.

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Journal keyword(s): binaries: close - binaries: eclipsing - stars: individual: V380 Cas

VizieR on-line data: <Available at CDS (J/AJ/143/30): table1.dat table4.dat refs.dat>

Simbad objects: 15

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Number of rows : 15
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* V380 Cas EB* 00 30 55.9923744480 +73 40 06.387644712   10.79 10.49     A0 26 0
2 V* V364 Cas SB* 00 52 43.0118622456 +50 28 10.109127648   11.13 10.75 10.255   A7 45 0
3 V* AI Phe SB* 01 09 34.1924055096 -46 15 56.071719360   9.26 8.60     F7V+K0IV 157 0
4 V* V505 Per SB* 02 21 12.9632050320 +54 30 36.281725236   7.30 6.88     F5 87 0
5 * bet Per SB* 03 08 10.1324535 +40 57 20.328013 1.70 2.07 2.12 2.08 2.11 B8V 1265 1
6 V* TZ For SB* 03 14 40.0925678952 -35 33 27.594929088   7.620 6.878     F7III+G8III 144 0
7 OGLE J051019.64-685812.3 EB* 05 10 19.65 -68 58 12.0     16.673   15.715 ~ 31 0
8 V* RZ Aur EB* 05 49 22.3709325321 +31 42 08.654732014           A 27 0
9 V* WY Hya EB* 08 14 10.9391593680 +00 29 43.560831408   11.22 10.61     A5/7 40 0
10 V* AY Cam SB* 08 25 51.7866730824 +77 13 06.845960820   10.12 9.72     A0V+F0V 65 0
11 * a Cen Ro* 14 23 02.2387240143 -39 30 42.544559700 3.50 4.24 4.42 4.53 4.70 B2V 289 0
12 V* WZ Oph SB* 17 06 39.0447030672 +07 46 57.800710560   9.66 9.12     F8 126 0
13 V* BS Dra SB* 19 56 28.7696090904 +73 36 57.518446140   9.58 9.14     F5 86 0
14 V* V396 Cas SB* 23 13 35.9778151296 +56 44 17.201017968   9.76 9.58     A0 36 0
15 V* BK Peg SB* 23 47 08.4664310208 +26 33 59.970121200   10.46 10.04     F8 78 0

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