Sigma Pup
HIP 36377; Sigma Pup
DoubleStar
Pup
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
3.25
Spectral Type
K5III
Star Color
Red
(B-V 1.51)
Distance
183.7 ly
Position & Identifiers
RA
07h 29m 13.8s
Dec
-43° 18' 05.0"
Constellation
Pup
HR
2878
HIP
36377
Bayer
Sigma
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Visibility
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Multiple Star System
Separation
22.1″
Companion Mag
8.8
Position Angle
74°
Star Colors
A: Red
Discoverer
DUN 51
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 22.1″ · PA: 74° · 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
CPM. Companion G5V.
Primary of visual double, 257.8d, K 18.6k/s, V0 +87.3k/s, asini 65.0.
Sigma Pup group.
Survey Image
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