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Zeta Gem

Observable Variable Star Excellent (70/100)

Range: 3.62 - 4.18, Period: 10.1d, Type: DCEP

HIP 34088; Zeta Gem; 43 Gem VariableStar Gemini (Gem) Visible Level 1 Naked eye / Binoculars - Monitor brightness changes
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Physical Properties

Magnitude 3.79
Range 3.62 - 4.18
Period 10.1 days
Variable Type Classical Cepheid
Spectral Type G1Ib
Star Color Orange (B-V 0.79)
Distance 1,350 ly

Position & Identifiers

RA 07h 04m 06.5s
Dec +20° 34' 13.0"
Constellation Gemini (Gem)
HR 2650
HIP 34088
Bayer Zeta
Flamsteed 43 Gem
Variable ID Zet Gem
Double Cat 5742

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Stellar Notes

ADS 5742A, CDelta 3.62 - 4.18V, 10.15073d. Period decreasing 3.1s/y.
Component A is suspected occultation double, 4.5, 4.5v, sep. 0.1". B, 10.5v at 87". C, +20d1686, 7.55V, +0.62(B-V), +0. | +0.07(U-B), G1V at 96" has high proper motion, 0.100", optical, vsini =<54k/s. Other components fainter.
Same period.
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