Star profile
Upsilon Tauri
Variable starWhat is Upsilon Tauri
Upsilon Tauri belongs to the Hyades, the elder sisters of the Pleiades and the closest open cluster to the Sun, about 154 light-years away. It is a rare Delta Scuti variable pulsating every 3.6 hours, and one of the cluster's giddiest gyroscopes: a full rotation every 0.4 days, equator racing at 243 km/s. Young, fast, throbbing.
Where it is and when to see it
Upsilon Tauri lies in the northern celestial hemisphere. It is visible to the naked eye under a dark sky. Its best month of the year is December, when it culminates around midnight.
- From London it culminates about 61° above the horizon.
- From New York it culminates about 72° above the horizon.
- From Sydney it culminates about 33° above the horizon.
It can be seen from anywhere north of 67° S.
It ranks no. 24 in brightness among the 144 stars of Taurus in our catalogue. To find it, start from Aldebaran, the brightest: it lies about 7° away (a fist at arm's length covers about 10°).
The light you see today left it about 150 years ago.
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Astronomical data for Upsilon Tauri
- Constellation
- Taurus
- Apparent magnitude
- 4.28
- Distance
- 153.8 light years
- Coordinates (J2000)
- RA 66.577° · Dec 22.814°
- Catalogue
- HIP 20711 · HD 28024
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Other stars in Taurus
Taurus has 144 stars in Stelvia's catalogue. Here are a few of them.
- AldebaranAlpha Tauri0.87
- ElnathBeta Tauri1.65
- AlcyoneEta Tauri2.85
- Mu Tauri4.27
- 90 Tauri4.27
- Tau Tauri4.27
- 10 Tauri4.29
- Taygeta4.30