V624 Her
HIP 86809
DoubleStar
Her
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
6.19
Range
6.18 - 6.36
Period
3.9 days
Variable Type
Eclipsing Binary (Algol-type)
Spectral Type
A3m
Star Color
Yellow-white
(B-V 0.21)
Position & Identifiers
RA
17h 44m 17.3s
Dec
+14° 24' 37.0"
Constellation
Her
HR
6611
HIP
86809
Variable ID
V624 Her
Double Cat
10749
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Visibility
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Light Curve
Multiple Star System
Separation
41.1″
Companion Mag
11.8
Position Angle
152°
Star Colors
A: Yellow-white
Discoverer
HJ 1303
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 41.1″ · PA: 152° · N up, E left
Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 3.1″
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
EA 6.18 - 6.36V, 3.894977d.
Visual companion ADS 10749B, optical.
ADS 10749A, 3.894977d, K 96.6k/s, V0 -32.4k/s, msin3i 1.83, asini 5.17. Both components Am. vsini 35 and 30k/s.
Also classified A3pSiSr and A2.5/A7/F0.
Survey Image
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