Observe
1Physical Properties
Magnitude
5.76
Range
5.50 - 5.89
Period
4.2 days
Variable Type
Classical Cepheid (First Overtone)
Spectral Type
F7Ib-II
Star Color
Yellow
(B-V 0.59)
2Position & Identifiers
RA
08h 11m 60.0s
Dec
-46° 38' 39.0"
Constellation
Vela
(Vel)
HR
3232
HIP
40155
HD
68808
Variable ID
AH Vel
Querying VizieR catalog...
3How easy to follow?
Magnitude
5.5 – 5.9 mag
Amplitude
0.4 mag
Period
4.23 d
Type
DCEPS
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| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | V. hard+ | V. hard | V. hard |
| 50 mm finder 50mm finder | Hard+ | Hard+ | Hard+ |
| 150 mm telescope 150mm scope | Hard+ | Hard+ | Hard+ |
Easy
Medium
Hard
Very hard
Impossible
Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs
Out of reach for typical amateur telescopes, even at Bortle 3.
4Visibility
Set a location in User Settings to see visibility data.
Best season
Dec – Feb
(peak: Jan)
5Light Curve
6Comparison Stars for AH Vel (5.5–5.9)
Nearby stable stars for estimating brightness (AAVSO)
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Explore
7
Size Comparison
Querying VizieR for stellar data…
8
Compare Stars
9
Spectral Classification
10
Hertzsprung-Russell Diagram
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11
Stellar Lifecycle
12
Blackbody Spectrum
13
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
14
Stellar Fusion
Discover
15Stellar Notes
Cep 5.50 - 5.86V, 4.22717d. Per. and form of light curve vary.
Survey Image
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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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Mythology, bright stars, and deep-sky highlights.
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