
Star profile
81 Tauri
What is 81 Tauri
81 Tauri lies 147 light-years away, deep inside the Bull, not far from the Hyades —the open cluster closest to the Solar System. It is a white A-type star, young and hot, its steady light anchoring that corner of the winter sky where Aldebaran, Taurus's red eye, marks the border with Orion. Visible to the naked eye under clear skies.
Where it is and when to see it
81 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 November, when it culminates around midnight.
- From London it culminates about 54° above the horizon.
- From New York it culminates about 65° above the horizon.
- From Sydney it culminates about 40° above the horizon.
It can be seen from anywhere north of 74° S.
It ranks no. 83 in brightness among the 144 stars of Taurus in our catalogue. To find it, start from Aldebaran, the brightest: it lies about 2° 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 81 Tauri
- Constellation
- Taurus
- Apparent magnitude
- 5.47
- Distance
- 146.5 light years
- Coordinates (J2000)
- RA 67.662° · Dec 15.692°
- Catalogue
- HIP 21039 · HD 28546
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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
- HIP 189755.45
- 93 Tauri5.45
- 36 Tauri5.46
- 118 Tauri5.47
- 130 Tauri5.47