Astronomy:n Herculis
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Short description: Star in the Hercules constellation
| Observation data Equinox J2000.0]] (ICRS) | |
|---|---|
| Constellation | Hercules |
| Right ascension | 16h 32m 35.7s[1] |
| Declination | +5° 31′ 16″[1] |
| Apparent magnitude (V) | 5.63[1] |
| Characteristics | |
| Spectral type | B9.5III[1] |
| U−B color index | −0.18[1] |
| B−V color index | −0.06[1] |
| Other designations | |
| Database references | |
| SIMBAD | data |
n Herculis, also known as 28 Herculis, is a double star in the constellation Hercules at a distance of approximately 395 light-years (about 121 parsecs) from the Sun.[citation needed] The apparent magnitude of the star is +5.616.[citation needed] Once in the constellation Ophiuchus, it was also catalogued as 11 Ophiuchi.[2]
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 "VizieR Detailed Page". http://vizier.u-strasbg.fr/viz-bin/VizieR-5?-out.add=.&-source=5050&-corr=PK=HR&-out.max=9999&HR=6158. Retrieved 2012-07-13.
- ↑ 2.0 2.1 "28 Herculis". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=28+Herculis.
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