HIP 66821
Observable Double Star
Good (58/100)
Sep: 5.6", Companion: mag 6.5
HIP 66821
DoubleStar
Cen
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
5.01
Spectral Type
B8Vn
Star Color
Blue-white
(B-V -0.05)
Distance
1087.2 ly
Position & Identifiers
RA
13h 41m 44.7s
Dec
-54° 33' 36.0"
Constellation
Cen
HR
5141
HIP
66821
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Visibility
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Multiple Star System
Separation
5.6″
Companion Mag
6.5
Position Angle
163°
Star Colors
A: Blue-white
B: Yellow-white
Discoverer
DUN 141
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 5.6″ · PA: 163° · 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 A0V, +7k/s.
Survey Image
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