HIP 74941
Physical Properties
Magnitude
5.46
Spectral Type
O7.5III((f))
Star Color
Blue-white
(B-V -0.10)
Position & Identifiers
RA
15h 18m 48.9s
Dec
-60° 29' 47.0"
Constellation
Circinus
(Cir)
HR
5680
HIP
74941
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Visibility
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Multiple Star System
Components
3
Component IDs
AC
Separation
5.5″
Companion Mag
12.0
Position Angle
114°
Star Colors
A: Blue-white
Discoverer
I 370
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 5.5″ · PA: 114° · N up, E left
Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 2.3″
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 Fusion
Stellar Notes
Companions: B, B9V; C, A-type spectrum.
Also classified O7I.
Survey Image
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