HIP 39974
HIP 39974
DoubleStar
Pup
Visible
Level 2
Small telescope (4") - Requires steady seeing
Physical Properties
Magnitude
6.26
Spectral Type
B7V
Star Color
Blue-white
(B-V -0.04)
Distance
191.9 ly
Position & Identifiers
RA
08h 09m 47.7s
Dec
-42° 38' 26.0"
Constellation
Pup
HR
3205
HIP
39974
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Visibility
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Multiple Star System
Separation
5.6″
Companion Mag
7.5
Position Angle
83°
Star Colors
A: Blue-white
B: Yellow-white
Discoverer
DUN 63
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 5.6″ · PA: 83° · 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
Components B6V and B9V.
Metallic lines strong for He type B8p.
Survey Image
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