Star profile
HIP 83635
Hot blue starWhat is HIP 83635
In Ophiuchus, the serpent-bearer, burns this blue-tinged B-class star, far hotter than the Sun and more than eleven hundred light-years away. Its light set out around the year 909, in the depths of the Middle Ages, when the Christian kingdoms of northern Iberia were slowly advancing toward the line of the Duero. More than a millennium later, that severe blue crosses the Milky Way's frontier and arrives here.
Where it is and when to see it
HIP 83635 lies in the southern celestial hemisphere. It is visible to the naked eye under a dark sky. Its best month of the year is June, when it culminates around midnight.
- From London it culminates about 38° above the horizon.
- From New York it culminates about 48° above the horizon.
- From Sydney it culminates about 57° above the horizon.
It sits almost on the celestial equator, so it can be seen from nearly the whole planet.
It ranks no. 63 in brightness among the 88 stars of Ophiuchus in our catalogue. To find it, start from Rasalhague, the brightest: it lies about 15° away (a fist at arm's length covers about 10°).
The light you see today left it about 1,100 years ago.
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Astronomical data for HIP 83635
- Constellation
- Ophiuchus
- Apparent magnitude
- 5.63
- Distance
- 1117.1 light years
- Coordinates (J2000)
- RA 256.384° · Dec -0.892°
- Catalogue
- HIP 83635 · HD 154445
A symbolic commemorative gift: neither the signature nor the chosen name implies ownership of the star or recognition by the IAU.
Other stars in Ophiuchus
Ophiuchus has 88 stars in Stelvia's catalogue. Here are a few of them.
- RasalhagueAlpha Ophiuchi2.08
- SabikEta Ophiuchi2.43
- Zeta Ophiuchi2.54
- 24 Ophiuchi5.57
- HIP 857495.57
- HIP 859225.61
- HIP 903135.64
- HIP 807935.66