PU Pup
HIP 37173
DoubleStar
Pup
Visible
Level 6
Professional/Research - Requires steady seeing
Physical Properties
Magnitude
4.70
Spectral Type
B8IV
Star Color
Blue-white
(B-V -0.11)
Position & Identifiers
RA
07h 38m 18.0s
Dec
-25° 21' 53.0"
Constellation
Pup
HR
2944
HIP
37173
Variable ID
PU Pup
Double Cat
6246
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Visibility
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Multiple Star System
Separation
0.2″
Companion Mag
5.6
Position Angle
286°
Star Colors
A: Blue-white
B: Blue-white
Discoverer
B 731
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 0.2″ · PA: 286° · N up, E left
Unresolved · 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
EW amp. 0.06V, 2.57895d.
Unresolved by speckle interferometry.
m Pup. Originally called Pi in Bayer and Argelander. Called m in Lacaille (1763) and Baily. Another star HR 2773, | also called Pi in Argelander, is the currently accepted star of this designation.
Survey Image
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