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PU Pup

HIP 37173 DoubleStar Pup Visible Level 6 Professional/Research - Requires steady seeing
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Physical Properties

Magnitude 4.70
Range 4.69 - 4.75
Period 2.6 days
Variable Type Eclipsing Binary (Beta Lyrae-type)
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

Visibility

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Light Curve

Multiple Star System

Separation 0.2″
Companion Mag 5.6
Position Angle 286°
Star Colors A: Blue-white B: Blue-white
Discoverer B 731

Size Comparison

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Stellar Lifecycle

Spectral Classification

Hertzsprung-Russell Diagram

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Blackbody Spectrum

Stellar Absorption Spectrum

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Stellar Fusion

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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