Observation data Epoch J2000.0 Equinox J2000.0 ( ICRS) | |
---|---|
Constellation | Microscopium |
Right ascension | 21h 26m 44.1040s [2] |
Declination | −29° 51′ 04.680″ [2] |
Apparent magnitude (V) | 7.8 - 14.8 |
Characteristics | |
Spectral type | M3e-M5.5 [3] |
Astrometry | |
Parallax (π) | 0.5137 ± 0.1623 mas [4] |
Distance | approx. 6,000
ly (approx. 1,900 pc) |
Other designations | |
Database references | |
SIMBAD | data |
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. [3] 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. [5]