Difference between revisions of "Alpha Mensae"
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| − | '''Alpha Mensae''' is a yellow-orange main sequence dwarf star of spectral and luminosity type G5-6 V, with about 87 percent of Sol's mass, 84 to 91 percent of its diameter | + | '''Alpha Mensae''' is a yellow-orange main sequence dwarf star of spectral and luminosity type G5-6 V, with about 87 percent of Sol's mass, 84 to 91 percent of its diameter<ref>Perrin and Karoji, 1987, page 236; and Johnson and Wright, 1983, page 659</ref>, and around 80 percent of its luminosity. The star may be as as enriched (102 percent) as Sol with elements heavier than hydrogen ("metallicity"), based on its abundance of iron<ref>Cayrel de Strobel et al, 1991, page 285</ref>. |
Alpha Mensae is located about 33.1 light-years from Sol. It lies in the northeastern part of the Constellation Mensa, the Table Mountain -- west of Zeta Volantis, southwest of Gamma2 Volantis, and south of the Large Magellanic Cloud. | Alpha Mensae is located about 33.1 light-years from Sol. It lies in the northeastern part of the Constellation Mensa, the Table Mountain -- west of Zeta Volantis, southwest of Gamma2 Volantis, and south of the Large Magellanic Cloud. | ||
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Revision as of 19:05, 6 April 2012
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| Alpha Mensae | |
| Stellar characteristics | |
|---|---|
| Constellation | Mensa |
| Right ascension (Epoch J2000) | 06h 10m 14.47s |
| Declination (Epoch J2000) | -74° 45' 10.96" |
| Spectral type | G5-6 V |
| Distance from Sol | 33.1 ± 0.02 ly |
| Other designations | Alp Men, Alf Men, HR 2261, Gl 231, Hip 29271, HD 43834, CP(D)-74 374, SAO 256274, FK5 239, LTT 2490 |
Alpha Mensae is a yellow-orange main sequence dwarf star of spectral and luminosity type G5-6 V, with about 87 percent of Sol's mass, 84 to 91 percent of its diameter[1], and around 80 percent of its luminosity. The star may be as as enriched (102 percent) as Sol with elements heavier than hydrogen ("metallicity"), based on its abundance of iron[2].
Alpha Mensae is located about 33.1 light-years from Sol. It lies in the northeastern part of the Constellation Mensa, the Table Mountain -- west of Zeta Volantis, southwest of Gamma2 Volantis, and south of the Large Magellanic Cloud.
The orbit of an Earth-like planet (with liquid water) around this star would be centered around 0.91 AU -- between the orbital distances of Venus and Earth in the Solar System -- with an orbital period of nearly 342 days, close to an Earth year.
(Boilerplate from SolStation.com)
Notes
- ↑ Perrin and Karoji, 1987, page 236; and Johnson and Wright, 1983, page 659
- ↑ Cayrel de Strobel et al, 1991, page 285
