V Puppis — Variable Star in Puppis
Excellent (70/100)
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1Physical Properties
Magnitude
4.41
Range
4.35 - 4.92
Period
34.9 hours
Variable Type
Eclipsing Binary (Beta Lyrae-type)
Spectral Type
B1Vp+B3IV:
Star Color
Blue
(B-V -0.17)
2Position & Identifiers
RA
07h 58m 14.4s
Dec
-49° 14' 42.0"
Constellation
Puppis
(Pup)
HR
3129
HIP
38957
HD
65818
SAO
219226
Variable ID
V Pup
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3How easy to follow?
Magnitude
4.4 – 4.9 mag
Amplitude
0.6 mag
Period
1.45 d
Type
EB/SD
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| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | Hard | Hard | V. hard+ |
| 50 mm finder 50mm finder | Medium | Medium | Medium |
| 150 mm telescope 150mm scope | Medium | Medium | Medium |
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 V Pup (4.3–4.9)
Nearby stable stars for estimating brightness (AAVSO)
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Explore
9
Size Comparison
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10
Compare Stars
11
Spectral Classification
12
Hertzsprung-Russell Diagram
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13
Stellar Lifecycle
14
Blackbody Spectrum
15
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
16
Stellar Fusion
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17Stellar Notes
Comp. A of visual double, EB 4.74 - 5.25p, 1.4544877d, contact binary, equal components.
Component A of visual system, 1.4545d. Relative vel. 610k. Probably consists of two ellipsoids in nearly circular orbit | inclined 75d. Matter appears to stream from secondary to primary.
Member of Pleiades group.
Also classified B2II-III(n). Possible X-ray source 3U0750-49.
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.
NGC 2547
Rich open cluster
Open Cluster
mag 4.7
1.9°
Vela
Gamma Vel
HIP 39953; Gamma1 Velorum
Easy double, sep 60.9″
Double Star
mag 4.27
2.7°
Vela
NGC 2502
Bright spiral galaxy
Galaxy
mag 11.96
3.1°
Carina
AH Vel
Pulsating variable, period 4.2d
Variable Star
mag 5.76
3.5°
Vela
L2 Pup
Mira-type variable, range 2.6–6.2
Variable Star
mag 5.10
8.9°
Puppis
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Puppis
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