S Microscopii
From Infogalactic: the planetary knowledge core
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) |
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|---|---|
| Constellation | Microscopium |
| Right ascension | 21h 26m 44.1040s .[1] |
| Declination | −29° 51′ 04.680″ [1] |
| Apparent magnitude (V) | 7.8 - 14.8 |
| Characteristics | |
| Spectral type | M3e-M5.5[2] |
| Astrometry | |
| Parallax (π) | 2.54 ± 2.08[3] mas |
| Distance | approx. 1,000 ly (approx. 400 pc) |
| Other designations | |
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S Microscopii, HD 204045
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S Microscopii is a star in the constellation Microscopium. It is a red giant star of spectral type M3e-M5.5 that is also a Mira variable, with an apparent magnitude ranging between 7.4 and 14.8 over 210 days.[2] The Astronomical Society of Southern Africa in 2003 reported that observations of S Microscopii were very urgently needed as data on its light curve was incomplete.[4]
References
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