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V640 Her

HIP 85302 Star Her Visible Level 1 Naked eye / Binoculars
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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

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

Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.

Stellar Fusion

Stellar Notes

Lb 5.98 - 6.21V.

Survey Image

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