Observe
1Physical Properties
Magnitude
5.87
Range
5.79 - 6.54
Period
2.5 days
Variable Type
Eclipsing Binary (Algol-type)
Spectral Type
A3m+A3m:
Star Color
White
(B-V 0.14)
2Position & Identifiers
RA
06h 32m 27.2s
Dec
+32° 27' 17.0"
Constellation
Auriga
(Aur)
HR
2372
HIP
31173
HD
46052
Variable ID
WW Aur
Querying VizieR catalog...
3How easy to follow?
Magnitude
5.8 – 6.5 mag
Amplitude
0.8 mag
Period
2.53 d
Type
EA/DM
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| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | V. hard+ | V. hard | Imp. |
| 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
Nov – Jan
(peak: Dec)
5Light Curve
6Comparison Stars for WW Aur (5.8–6.5)
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
EA 5.79 - 6.54V, 2.52501922d. Per. changes. Rot. line apsides per. about 40,000d.
2.5250d, K 115.6k/s, V0 -8.7k/s, msin3i 1.98, asini 4.01. Masses 1.92, 1.90 solar. vsini same for both | components 35k/s.
Also classified A3m: + A3m:
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.
48 Aur
Pulsating variable, period 3.7d
Variable Star
mag 5.55
2.1°
Auriga
NGC 2274
Elliptical galaxy
Galaxy
mag 13.0
3.3°
Gemini
NGC 2266
Open cluster
Open Cluster
mag 10.0
6.0°
Gemini
UU Aur
Semi-regular variable, range 5.1–6.6
Variable Star
mag 5.29
6.0°
Auriga
TU Gem
Semi-regular variable, range 6.9–8.0
Variable Star
mag 7.30
8.0°
Gemini
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