Chi Dra
Physical Properties
Magnitude
3.57
Range
3.56 - 3.57
Variable Type
ROT:
Spectral Type
F7V (metal-weak)
Star Color
Yellow
(B-V 0.49)
Distance
27 ly
Position & Identifiers
RA
18h 21m 03.4s
Dec
+72° 43' 58.0"
Constellation
Draco
(Dra)
HR
6927
HIP
89937
Bayer
Chi
Flamsteed
44 Dra
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Stellar Notes
A* 3.57 F7V, 0.768y, a = 0.124". Masses 1.5 and 1.1 Suns. Shortest known period for astrometric binary. Speckle | interferometry indicates component A is binary, sep. about 0.1". B, 12v K1V at 149"; C, 13.5v at 10".
280.531d, K 18.0k/s, V0 +32.5k/s, asini 62.0, i 60.1d. Resolved by speckle interferometry 1986.46, sep. 0.09" | (at 7000 Ang.)
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