Sigma Ophiuchii
- Bayer:
- σ Oph
- Bayer Long
- Sigma Ophiuchii
- Flamsteed:
- 49 Ophiuchii
- SAO:
- 122387
- HR:
- 6498
- HD:
- 157999
- DM:
- BD+04 3422
- GC:
- 23621
- Right Ascention:
- 17h 26m 30.884s
- Declination:
- +4° 8' 25.13"
- Magnitude:
- 4.4
- Spectral Type:
- K2II
- Constellation:
- Ophiuchus
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