Rho Her
HIP 85112; Rho Her; 75 Her
Observable Double Star
Excellent (66/100)
Sep: 3.9", Companion: mag 5.4
HIP 85112; Rho Her; 75 Her
DoubleStar
Her
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
4.52
Spectral Type
B9.5III
Star Color
Blue-white
(B-V -0.03)
Position & Identifiers
RA
17h 23m 41.0s
Dec
+37° 08' 45.0"
Constellation
Her
HR
6485
HIP
85112
Bayer
Rho
Flamsteed
75 Her
Double Cat
10526
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Visibility
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Multiple Star System
Components
3
Component IDs
AB
Separation
3.9″
Companion Mag
5.4
Position Angle
320°
Star Colors
A: Blue-white
B: Yellow-white
Discoverer
STF2161
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 3.9″ · PA: 320° · 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
ADS 10526A, E?
Binary with HR 6484. Combined colors. Combined mag. 4.17V.
Silicon star.
0.010".
Survey Image
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