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.  
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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 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>.
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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

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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.

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Places in Fenspace
18 Scorpii
Stellar characteristics
ConstellationScorpius
Right ascension (Epoch J2000)16h 15m 37.30s
Declination (Epoch J2000)-08° 22' 10.00"
Spectral typeG1-5 V-Va
Distance from Sol45.7 ly
Other designationsCSV 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.
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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 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. Jump up to: 1.0 1.1 (Ryan et al, 2004)
  2. Jump up (Guinan et al, 1999)
  3. Jump up to: 3.0 3.1 (Porto de Mello and da Silva, 1997)
  4. Jump up (Johnson and Wright, 1983, page 685)
  5. Jump up (Cayrel de Strobel et al, 1991, 300)