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Lambda And

HIP 116584; Lambda And; 16 And Star Andromeda (And) Visible Level 1 Naked eye / Binoculars
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Physical Properties

Magnitude 3.82
Range 3.65 - 4.05
Period 54 days
Variable Type RS CVn (Chromospherically Active)
Spectral Type G8IV k
Star Color Orange (B-V 1.01)
Distance 86 ly

Position & Identifiers

RA 23h 37m 33.9s
Dec +46° 27' 29.0"
Constellation Andromeda (And)
HR 8961
HIP 116584
Bayer Lambda
Flamsteed 16 And
Variable ID Lam And

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Stellar Notes

RS 3.69 - 3.97V, 4.74 - 5.13B, 54.20d. Amp. and cycle length vary in period 3200d. Also 0.25m var. in period about | 50d. H and K emission correlated with 56d light period.
20.5212d, K 6.6k/s, V0 +6.8k/s, asini 1.86. Radio binary. Unresolved by speckle interferometry. Possible radio | emitter.

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