The Discovery of a Nearby M Dwarf
| dc.creator | Shemmer, Ohad | |
| dc.creator | Kaspi, Shai | |
| dc.date | 1998-11-12 | |
| dc.date.accessioned | 2026-07-07T02:29:05Z | |
| dc.date.available | 2026-07-07T02:29:05Z | |
| dc.description | We report the discovery of a nearby M dwarf star, found accidentally while observing the old nova DN Gem at the Wise Observatory. The star is designated 1200-05296925 in the PMM USNO-A1.0 catalogue and its coordinates, calculated for 1997 November 27 are: RA=6 55 05.13 Dec = +32 09 54.1 (Equinox J2000, Epoch J1997.90). Astrometric measurements for the star yielded a yearly proper motion rate of 0.155$\pm$0.002 arcseconds in right ascension and negligible yearly proper motion rate in declination. The apparent V magnitude of the star was measured as m_V=13.87$\pm$0.16 mag and spectral identification yielded a spectral type of M3.5Ve$\pm$0.5 subclasses. Using relations between spectral type and absolute V magnitude in M dwarfs, we arrive at an absolute magnitude of M_V=12.3^{+1.2}_{-1.1} mag, which corresponds to a distance of 21^{+15}_{-10} pc. | |
| dc.description | 10 pages, latex, including 3 ps figures, accepted for publication in 'THE OBSERVATORY' | |
| dc.identifier | https://arxiv.org/abs/astro-ph/9811195 | |
| dc.identifier | http://arxiv.org/abs/astro-ph/9811195 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/13328 | |
| dc.subject | Astrophysics | |
| dc.title | The Discovery of a Nearby M Dwarf | |
| dc.type | text |