L2 Pup
Observable Variable Star
Showpiece (79/100)
Range: 2.6 - 6.2, Period: 140.4d, Type: SR
HIP 34922
VariableStar
Pup
Visible
Level 1
Naked eye / Binoculars - Monitor brightness changes
Physical Properties
Magnitude
5.10
Variable Type
Semi-Regular Variable
Spectral Type
M5IIIe
Star Color
Red
(B-V 1.56)
Distance
148.2 ly
Position & Identifiers
RA
07h 13m 32.4s
Dec
-44° 38' 23.0"
Constellation
Pup
HR
2748
HIP
34922
Variable ID
L2 Pup
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Visibility
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Comparison Stars for L2 Pup (2.6–6.2)
Nearby stable stars for estimating brightness (AAVSO)
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Multiple Star System
Separation
97.6″
Companion Mag
11.7
Position Angle
210°
Star Colors
A: Red
Discoverer
HJ 3943
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 97.6″ · PA: 210° · 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
Primary of vis. double, SRb 2.6 - 6.2v, 140.42d.
IR source.
SiO maser.
Survey Image
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