L2 Puppis — Variable Star in Puppis
Showpiece (82/100)
Observe
1Physical Properties
Magnitude
5.10
Range
2.60 - 8.00
Period
141 days
Variable Type
Semi-Regular Variable (Late-type Giant)
Spectral Type
M5IIIe
bright giant
Star Color
Red
(B-V 1.56)
Distance
148 ly
2Position & Identifiers
RA
07h 13m 32.4s
Dec
-44° 38' 23.0"
Constellation
Puppis
(Pup)
HR
2748
HIP
34922
HD
56096
SAO
218549
Variable ID
L2 Pup
Querying VizieR catalog...
3How easy to follow?
Magnitude
2.6 – 6.2 mag
Amplitude
3.6 mag
Period
140.6 d
Type
SRB
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| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | Hard | V. hard+ | V. hard+ |
| 50 mm finder 50mm finder | Easy | Easy | Easy |
| 150 mm telescope 150mm scope | Easy | Easy | Easy |
Easy
Medium
Hard
Very hard
Impossible
Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs
4Visibility
Set a location in User Settings to see visibility data.
Best season
Dec – Feb
(peak: Jan)
5Survey Image
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6Light Curve
7Comparison Stars for L2 Pup (2.6–6.2)
Nearby stable stars for estimating brightness (AAVSO)
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Explore
8
Size Comparison
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9
Compare Stars
10
Spectral Classification
11
Hertzsprung-Russell Diagram
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12
Stellar Lifecycle
13
Blackbody Spectrum
14
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
15
Stellar Fusion
Discover
16Stellar Notes
Primary of vis. double, SRb 2.6 - 6.2v, 140.42d.
IR source.
SiO maser.
17
Light Travel Time Machine
18
Relativistic Travel
Nearby in the Sky
Other targets within a few degrees — pan your scope a little and keep exploring.
Visibility scores assume a 150 mm Newton at Bortle 4.
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Article
Puppis
Mythology, bright stars, and deep-sky highlights.
Constellation
