1999IBVS.4685....1L

Query : 1999IBVS.4685....1L

1999IBVS.4685....1L - IAU Inform. Bull. Var. Stars, 4685, 1-4 (1999/March-0)

Discovery of the variability of GSC 1009-766 and GSC 1057-1309.

LLOYD C. and BERNHARD K.

Abstract (from CDS):

Photometric observations of GSC 1009.766 show it to be an eclipsing binary with a period of 2.16252±0.00023 days. The epoch of primary minimum is JD 2451072.55±0.02. The light curve is Algol like, with minima about 0.5 and 0.1 magnitudes deep. The spectral type is unknown which allows a wide range of possible system parameters. GSC 1057.1309 is a short period variable, probably a beta Cephei or delta Scuti with a period of 0.172675 days, but three other periods are possible.

Abstract Copyright: ∼

Journal keyword(s):

Simbad objects: 6

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Number of rows : 6
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 GSC 01009-00842 * 18 09 31.7554303296 +08 47 57.177196476   13.77 12.44 12.14   ~ 1 0
2 TYC 1009-1116-1 * 18 09 35.2920167496 +08 49 50.803321044   12.23 11.50     ~ 1 0
3 V* V2536 Oph EB* 18 09 57.2998291992 +08 50 26.366451900   12.13 11.58     ~ 8 0
4 GSC 01057-01973 * 19 46 21.1417020000 +08 54 33.922651176     11.8     ~ 1 0
5 V* V1542 Aql EB* 19 46 25.1011314480 +08 45 12.526058448   12.23 11.81 8.802 8.434 ~ 23 0
6 TYC 1057-1527-1 * 19 46 27.6969609624 +08 49 02.497354248   12.70 12.37     ~ 1 0

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