Friday, November 9, 2007

Wolf 25

Star type
g K1-2 Ve

Distance from Earth
g 24.33 ly

Star Service No.
g NA

g Perhaps up to 10 Gyr

Diameter/Mass/Temp (xSol)
g 88.2; 83%; NA

Brightness (xSol)
g 24.5%

g 45% at best

Comparison to Sol
g See chart

Picture of star
g NA

Star system features
g A ship traveling at 95% the speed of light would need about 50 Earth years to reach star (given acceleration and decleration); only 13 years would pass aboard the spacecraft, though.

Known planets
g NA

Habitable zone
g 0.495 AUs. Star in sky of planet in HZ would appear to an observer on the surface of said planet at 0.950453 degrees (The Earth's sun subtends an angle of about 0.5 degrees). Planet probably would be tidally locked. Porto de Mello lists it as one of 13 nearby astrobiologically interesting stars.

Orbital map
g NA

View from star
g NA

Nearby stars
(Star systems with 10 light years)
g Catalogue Astrographique +3°2259-31: 7.42097 ly
g Bonner Durchmusterung +1°4774: 7.48943 ly
g 107 Piscis: 8.42785 ly (class K1 V)
g Gliese & Jahreiss 1286: 8.56544 ly
g Giclas white Dwarf 806: 9.72553 ly
g EQ Pegasi: 9.95909 ly

Map locating star system
g See stellar map

Location in Earth sky
g In constellation Pisces

Other names
g Gliese 33
g BD +4°123
g LHS 121
g HIP 3765
g SAO 109471
g HD 4628
g FK5 1019
g HR 222
g LHS 121
g LTT 10285
g LFT 73
g Hei 202

Sci-fi mentions
g In Joe Haldeman's novel "Starbound," humanity sends the ship "ad Astra" to this solar system, where they believe the Others live.

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