V640 Her
HIP 85302
Star
Her
Visible
Level 1
Naked eye / Binoculars
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
Her
HR
6495
HIP
85302
Variable ID
V640 Her
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Visibility
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Light Curve
Multiple Star System
Components
3
Component IDs
AC
Separation
8.5″
Companion Mag
14.9
Position Angle
216°
Star Colors
A: Red
Discoverer
KUI 81
Size Comparison
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Stellar Lifecycle
Spectral Classification
Hertzsprung-Russell Diagram
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Blackbody Spectrum
Stellar Absorption Spectrum
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Stellar Fusion
Stellar Notes
Lb 5.98 - 6.21V.
Survey Image
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