Star profile
58 Ophiuchi
What is 58 Ophiuchi
58 Ophiuchi is an F-type star only 57.6 light-years away, among the nearest in its constellation. Hotter and whiter than the Sun, its light set out around 1968, during the height of the space race. Ophiuchus —the serpent-bearer— is an immense figure coiled across the celestial equator, and this star, faint to the unaided eye, sits in one of its quieter, darker reaches.
Where it is and when to see it
58 Ophiuchi 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 17° above the horizon.
- From New York it culminates about 28° above the horizon.
- From Sydney it culminates about 78° above the horizon.
It can be seen from anywhere south of 68° N.
It ranks no. 39 in brightness among the 88 stars of Ophiuchus in our catalogue. To find it, start from Rasalhague, the brightest: it lies about 34° away (a fist at arm's length covers about 10°).
The light you see today left it about 58 years ago.
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Astronomical data for 58 Ophiuchi
- Constellation
- Ophiuchus
- Apparent magnitude
- 4.86
- Distance
- 57.6 light years
- Coordinates (J2000)
- RA 265.857° · Dec -21.683°
- Catalogue
- HIP 86736 · HD 160915
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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
- 66 Ophiuchi4.79
- 30 Ophiuchi4.82
- 74 Ophiuchi4.85
- HIP 817244.91
- HIP 846715.03