Star profile
85 Geminorum
What is 85 Geminorum
85 Geminorum glows inside the constellation of the Twins, around 374 light-years away from Earth. It is a white A-type star burning near ten thousand degrees, casting the bluish, slightly steely light typical of young Sirius-like suns shining elsewhere. It hangs from the same swathe of winter sky where Castor and Pollux mark, year after year, the two visible heads of the constellation.
Where it is and when to see it
85 Geminorum lies in the northern celestial hemisphere. It is visible to the naked eye under a dark sky. Its best month of the year is January, when it culminates around midnight.
- From London it culminates about 58° above the horizon.
- From New York it culminates about 69° above the horizon.
- From Sydney it culminates about 36° above the horizon.
It can be seen from anywhere north of 70° S.
It ranks no. 42 in brightness among the 74 stars of Gemini in our catalogue. To find it, start from Pollux, the brightest: it lies about 8° away (a fist at arm's length covers about 10°).
The light you see today left it about 370 years ago.
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Astronomical data for 85 Geminorum
- Constellation
- Gemini
- Apparent magnitude
- 5.38
- Distance
- 374.5 light years
- Coordinates (J2000)
- RA 118.916° · Dec 19.884°
- Catalogue
- HIP 38722 · HD 64648
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Other stars in Gemini
Gemini has 74 stars in Stelvia's catalogue. Here are a few of them.
- PolluxBeta Geminorum1.16
- CastorAlpha Geminorum1.58
- AlhenaGamma Geminorum1.93
- 36 Geminorum5.28
- 76 Geminorum5.30
- HIP 368965.34
- 28 Geminorum5.42
- HIP 366165.45