HU Tauri — Variable Star in Taurus
Excellent (66/100)
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1Physical Properties
Magnitude
5.92
Range
5.85 - 6.68
Period
2.1 days
Variable Type
Eclipsing Binary (Algol-type)
Spectral Type
B8V
Star Color
Blue-white
(B-V -0.05)
2Position & Identifiers
RA
04h 38m 15.8s
Dec
+20° 41' 05.0"
Constellation
Taurus
(Tau)
HR
1471
HIP
21604
HD
29365
SAO
76680
Variable ID
HU Tau
Querying VizieR catalog...
3How easy to follow?
Magnitude
5.9 – 6.7 mag
Amplitude
0.8 mag
Period
2.06 d
Type
EA/SD:
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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
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Best season
Oct – Dec
(peak: Nov)
5Survey Image
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6Light Curve
7Comparison Stars for HU Tau (5.9–6.7)
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
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16Stellar Notes
EA 5.92 - 6.7V, 2.056302d, period possibly variable.
6.0, 7.5v, sep. 0.0004", 2.0563d, K 65.4k/s, V0 -2.3k/s, asini 1.85. Masses 4 and 1.2 solar.
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
Taurus
Mythology, bright stars, and deep-sky highlights.
Constellation
