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V624 Her

Observable Variable Star Good (58/100)

Range: 6.2 - 6.4, Period: 3.9d, Type: EA

HIP 86809 VariableStar Her Visible Level 3 Medium telescope (6-8") - Monitor brightness changes
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Physical Properties

Magnitude 6.19
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

Visibility

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Comparison Stars

Nearby stable stars for estimating brightness (AAVSO)

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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
N E 152° A (6.2) B (11.8)

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 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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