102 Her
HIP 88886; 102 Her
DoubleStar
Her
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
4.36
Spectral Type
B2IV
Star Color
Blue
(B-V -0.16)
Position & Identifiers
RA
18h 08m 45.5s
Dec
+20° 48' 52.0"
Constellation
Her
HR
6787
HIP
88886
Flamsteed
102 Her
Double Cat
11102
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Visibility
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Multiple Star System
Separation
23.1″
Companion Mag
11.8
Position Angle
137°
Star Colors
A: Blue
Discoverer
AGC 8
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 23.1″ · PA: 137° · 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
Companion A6V, optical.
Survey Image
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