E Ophiuchi

Last updated
e Ophiuchi
Observation data
Epoch J2000.0        Equinox J2000.0
Constellation Ophiuchus
Right ascension 17h 18m 37.0s [1]
Declination +10° 51′ 52″ [1]
Apparent magnitude  (V)5.03 [2]
Characteristics
Spectral type K4II-III [2]
U−B color index 1.89 [2]
B−V color index 1.55 [2]
R−I color index 0.83[ citation needed ]
Other designations
e Oph, 66 Her, BD+11 3156, SAO 102725, HD 156681, HR 6433 [1]
Database references
SIMBAD data

e Ophiuchi (HD 156681) is a star in the constellation Ophiuchus near the border with Hercules, which it had been mistakenly catalogued 66 Herculis.[ citation needed ] It has an apparent magnitude of 5.03.

References

  1. 1 2 3 "e Ophiuchi". SIMBAD . Centre de données astronomiques de Strasbourg . Retrieved 2025-10-05.
  2. 1 2 3 4 "VizieR Detailed Page". Archived from the original on 2016-03-05. Retrieved 2012-07-13.


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