Properties of the recently discovered eclipsing binary gsc 03421-01402
Open European Journal on Variable stars(2021)
摘要
GSC 03421-01402 is a low-amplitude eclipsing binary with a period of 7.6800475(44) d. The eclipsing binary is one component of a close pair identified in the Gaia EDR3 data with ∆G = 0.m45. The light-curve suggests that the primary eclipse is total with an observed depth of 0.m13, but due to dilution the true depth could be ∼ 0.23 or 0.37 mag. A weak, 0.02 mag, secondary eclipse is seen displaced slightly to phase 0.491. The system is probably a detached Algol-type eclipsing binary dominated by a mid G-type primary, but until the uncertainties in the relative magnitudes and distance are resolved much remains in doubt.
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关键词
binary gsc
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