HIP 81904
HIP 81904
DoubleStar
Sco
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
6.05
Spectral Type
B9II-III
Star Color
Blue-white
(B-V -0.06)
Position & Identifiers
RA
16h 43m 47.6s
Dec
-38° 09' 24.0"
Constellation
Sco
HR
6210
HIP
81904
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Visibility
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Multiple Star System
Separation
34.6″
Companion Mag
12.4
Position Angle
137°
Star Colors
A: Blue-white
Discoverer
HDO 259
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 34.6″ · 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.
Survey Image
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