IS Velorum — Star in Vela
Observe
1Physical Properties
Magnitude
5.23
Spectral Type
B1IVe
supergiant
Star Color
Blue
(B-V -0.21)
2Position & Identifiers
RA
08h 09m 43.2s
Dec
-47° 56' 15.0"
Constellation
Vela
(Vel)
HR
3213
HIP
39970
HD
68324
SAO
219515
Variable ID
IS Vel
Querying VizieR catalog...
3How easy to spot?
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| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | Medium | Hard+ | 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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Explore
6
Size Comparison
Querying VizieR for stellar data…
7
Compare Stars
8
Spectral Classification
9
Hertzsprung-Russell Diagram
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10
Stellar Lifecycle
11
Blackbody Spectrum
12
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
13
Stellar Fusion
Discover
14Stellar Notes
BetaC, Amp. 0.018u, 0.108d.
Amp. about 20k/s. Period probably same as for light curve.
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.
Gamma Vel
HIP 39953; Gamma1 Velorum
Easy double, sep 60.9″
Double Star
mag 4.27
0.6°
Vela
NGC 2547
Rich open cluster
Open Cluster
mag 4.7
1.3°
Vela
AH Vel
Pulsating variable, period 4.2d
Variable Star
mag 5.76
1.3°
Vela
NGC 2502
Bright spiral galaxy
Galaxy
mag 11.96
4.9°
Carina
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