Astronomy:S Microscopii
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Short description: Variable star in the constellation Microscopium
| Observation data 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[4] mas |
| Distance | approx. 6,000 ly (approx. 1,900 pc) |
| Other designations | |
S Microscopii, CD−30° 18609, HD 204045 | |
| 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]
References
- ↑ "Download Data". AAVSO. https://www.aavso.org/data-download.
- ↑ 2.0 2.1 "V* S Mic". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=V%2A+S+Mic.
- ↑ 3.0 3.1 Otero, Sebastian Alberto (12 April 2011). "S Microscopii". AAVSO Website. American Association of Variable Star Observers. http://www.aavso.org/vsx/index.php?view=detail.top&oid=18706. Retrieved 20 March 2015.
- ↑ Brown, A. G. A. (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics 616: A1. doi:10.1051/0004-6361/201833051. Bibcode: 2018A&A...616A...1G. Gaia DR2 record for this source at VizieR.
- ↑ Cooper, Tim (2003). "Presidential address: Amateur Observations - Successes and Opportunities". Monthly Notes of the Astronomical Society of Southern Africa 62: 234–40. Bibcode: 2003MNSSA..62..234C.
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