Gamma Ophiuchi — Star in Ophiuchus
Observe
1Physical Properties
Magnitude
3.75
Spectral Type
A1VnkA0mA0
Star Color
White
(B-V 0.04)
Distance
103 ly
2Position & Identifiers
RA
17h 47m 53.6s
Dec
+02° 42' 26.0"
Constellation
Ophiuchus
(Oph)
HR
6629
HIP
87108
HD
161868
SAO
122754
Bayer
Gamma
Flamsteed
62 Oph
Querying VizieR catalog...
3How easy to spot?
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| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | Easy | Medium+ | Medium+ |
| 50 mm finder 50mm finder | Easy | Easy | Easy |
| 150 mm telescope 150mm scope | Easy | Easy | Easy |
Easy
Medium
Hard
Very hard
Impossible
Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs
4Visibility
Set a location in User Settings to see visibility data.
Best season
May – Jul
(peak: Jun)
5Survey Image
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7
Size Comparison
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8
Compare Stars
9
Spectral Classification
10
Hertzsprung-Russell Diagram
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11
Stellar Lifecycle
12
Blackbody Spectrum
13
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
14
Stellar Fusion
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15Stellar Notes
2612d, K 1.8k/s, V0 -7.4k/s, asini 51.7.
Lambda Boo star, Mg 4481 wk.
16
Light Travel Time Machine
17
Relativistic Travel
Nearby in the Sky
Other targets within a few degrees — pan your scope a little and keep exploring.
Visibility scores assume a 150 mm Newton at Bortle 4.
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Article
Ophiuchus
Mythology, bright stars, and deep-sky highlights.
Constellation
