45 Her
HIP 82216; 45 Her
DoubleStar
Her
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
5.24
Variable Type
Alpha2 CVn (Magnetic Rotating)
Spectral Type
B9pCr:
Star Color
Blue-white
(B-V -0.02)
Distance
233.0 ly
Position & Identifiers
RA
16h 47m 46.4s
Dec
+05° 14' 48.0"
Constellation
Her
HR
6234
HIP
82216
Flamsteed
45 Her
Variable ID
V776 Her
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Visibility
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Multiple Star System
Separation
121.0″
Companion Mag
11.2
Position Angle
80°
Star Colors
A: Blue-white
Discoverer
BUP 174
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 121.0″ · PA: 80° · 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
Alpha CV, 5.21 - 5.27V, amp. 0.04U, 1.31159d.
Possible Pleiades group.
Oxygen deficient relative to magnesium.
Survey Image
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