Difference between revisions of "18 Scorpii"
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| − | '''18 Scorpii'' is located about 45.7 light-years from Sol. It lies at the northern edge of the constellation Scorpius, the Scorpion -- just off its left claw. | + | '''18 Scorpii''' is located about 45.7 light-years from Sol. It lies at the northern edge of the constellation Scorpius, the Scorpion -- just off its left claw. |
| − | + | 18 Scorpii is a yellow-orange main sequence dwarf star of spectral and luminosity type G1-5 V-Va. A little bigger and brighter than Sol, the star may have a mass similar to Sol's<ref name="Ryan">(Ryan et al, 2004)</ref><ref>(Guinan et al, 1999)</ref><ref name="PdM&dS">(Porto de Mello and da Silva, 1997)</ref>, 1.02 to 1.03 times its diameter<ref name="Ryan" /><ref>(Johnson and Wright, 1983, page 685)</ref>, and 1.05 times its luminosity. It may be 105 to to 112 percent as enriched as Sol with elements heavier than hydrogen ("metallicity"), based on its abundance of iron<ref name="PdM&dS" /><ref>(Cayrel de Strobel et al, 1991, 300)</ref>. | |
An [[Earth]]-type planet could have liquid water in a stable orbit centered around 1.02 AU from '''18 Scorpii''' -- around the orbital distance of [[Earth]] in the Solar System. Such a planet would have an orbital period of around one Earth year. | An [[Earth]]-type planet could have liquid water in a stable orbit centered around 1.02 AU from '''18 Scorpii''' -- around the orbital distance of [[Earth]] in the Solar System. Such a planet would have an orbital period of around one Earth year. | ||
Latest revision as of 00:18, 18 May 2016
 There's something missing here…This page is a Wikipedia or SolStation data dump with little or no relation – or, worse yet, possibly with contradictions – to the situation in Fenspace. You can help FenWiki by expanding this page. |
| 18 Scorpii | |
| Stellar characteristics | |
|---|---|
| Constellation | Scorpius |
| Right ascension (Epoch J2000) | 16h 15m 37.30s |
| Declination (Epoch J2000) | -08° 22' 10.00" |
| Spectral type | G1-5 V-Va |
| Distance from Sol | 45.7 ly |
| Other designations | CSV 101566, NSV 7577, SV ZI 1223, 18 Sco, HR 6060, Gl 616, Hip 79672, HD 146233, BD-07 4242, SAO 141066, LHS 3172, LTT 6482, LFT 1259, LPM 594. |
18 Scorpii is located about 45.7 light-years from Sol. It lies at the northern edge of the constellation Scorpius, the Scorpion -- just off its left claw.
18 Scorpii is a yellow-orange main sequence dwarf star of spectral and luminosity type G1-5 V-Va. A little bigger and brighter than Sol, the star may have a mass similar to Sol's[1][2][3], 1.02 to 1.03 times its diameter[1][4], and 1.05 times its luminosity. It may be 105 to to 112 percent as enriched as Sol with elements heavier than hydrogen ("metallicity"), based on its abundance of iron[3][5].
An Earth-type planet could have liquid water in a stable orbit centered around 1.02 AU from 18 Scorpii -- around the orbital distance of Earth in the Solar System. Such a planet would have an orbital period of around one Earth year.
(Data from SolStation.com)
Notes
- ↑ 1.0 1.1 (Ryan et al, 2004)
- ↑ (Guinan et al, 1999)
- ↑ 3.0 3.1 (Porto de Mello and da Silva, 1997)
- ↑ (Johnson and Wright, 1983, page 685)
- ↑ (Cayrel de Strobel et al, 1991, 300)
