V640 Her
Physical Properties
Magnitude
5.98
Range
5.98 - 6.21
Period
29.4 days
Variable Type
Semi-Regular Variable
Spectral Type
M4IIIab
Star Color
Red
(B-V 1.62)
Position & Identifiers
RA
17h 25m 54.4s
Dec
+16° 55' 03.0"
Constellation
Hercules
(Her)
HR
6495
HIP
85302
Variable ID
V640 Her
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Spectral Classification
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Stellar Notes
Lb 5.98 - 6.21V.
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