Luyten 1813-21

Star type
g M3.5V

Distance from Earth
g 24.67 ly

Star Service No.
g NA

Age
g NA

Diameter/Mass/Temp (xSol)
g NA; 14.1%; NA

Brightness (xSol)
g 0.1065%

Metallicity
g NA

Comparison to Sol
g See chart (similar to Proxima)

Picture of star
g NA

Star system features
g NA

Known planets
g NA

Habitable zone
g 0.032 A.U.s

Orbital map
g NA

View from star
g NA

Nearby stars
(Star systems with 10 light years)
g Stein 2051: 7.7904 ly
g Luyten 1813-21 is a rather isolated star with its nearest neighbor a mere M-class star

Map locating star system
g NA

Location in Earth sky
g In constellation Camelopardalis

Other names
g Giclas 192-13
g GJ 3378
g LHS 1805
g LTT 11755
g LP 86-137
g L 1813-21

Sci-fi mentions
g NA

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Mu Cassiopeiae AB

Star type
g A: G5 V1
g B: M5 VI (subdwarf)

Distance from Earth
g 24.63 ly

Star Service No.
g NA

Age
g A: 7.9 by
g B: NA

Diameter/Mass/Temp (xSol)
g A: 73.9%; 75%; 5390 K
g B: NA; 20%; NA

Brightness (xSol)
g A: 42.5%
g B: 0.198%

Metallicity
g A: 22%; metal poor
g B: NA

Comparison to Sol
g A: See chart (similar to Alpha Centauri B)
g B: See chart (similar to Proxima)

Picture of star
g A: NA
g B: NA

Star system features
g NA

Known planets
g A: NA
g B: NA

Habitable zone
g A: 0.652 A.U.s; orbital period is 221.929 days; tidal index is 2.70864; angular size of star in sky is 0.604190 degrees.
g B: 0.0445 A.U.s; orbital period is 7.65851 days; tidal index is 2274.53.

Orbital map
g Stars A and B orbit one another once every 21.43 years; their periastron distance is 0.548 A.U.s and apastron distance is 2.262 A.U.s.

View from star
g NA

Nearby stars
(Star systems with 10 light years)
g Eta Cassiopeiae: 5.43002 ly (G3 V)
g Wolf 46: 5.55344 ly (K5 V)
g Wolf 47: 5.8651 ly
g Bonner Durchmusterung +56°2966: 7.23232 ly (K3 V)
g Bonner Durchmusterung +70°68b: 8.49495 ly
g BD +63°238 : 9.37538 ly (K0 V)

Map locating star system
g NA

Location in Earth sky
g In constellation Cassiopeiae
Other names
g 30 Cassiopeiae
g Gl 53 AB
g HD 6582
g BD +54°223
g LHS 8
g HIC 5336
g SAO 22024
g FK5 1030
g HR 321 AB
g NSV 405
g LTT 10400
g mu Cas AB

Sci-fi mentions
g NA

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Ross 556

Star type
g M3.5Ve

Distance from Earth
g 24.63 ly

Star Service No.
g NA

Age
g NA

Diameter/Mass/Temp (xSol)
g NA; 30%; NA

Brightness (xSol)
g 2.1% (flare star)

Metallicity
g NA

Comparison to Sol
g See chart (similar to Kapteyn)

Picture of star
g NA

Star system features
g NA

Known planets
g NA

Habitable zone
g NA

Orbital map
g NA

View from star
g NA

Nearby stars
(Star systems with 10 light years)
g NA

Map locating star system
g NA

Location in Earth sky
g In constellation Aries

Other names
g GJ 109
g AC+25 7918
g LHS 1439
g VX Arietis

Sci-fi mentions
g NA

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BS 2721

Star type
g G0 V

Distance from Earth
g 24.63 ly

Star Service No.
g NA

Age
g NA

Diameter/Mass/Temp (xSol)
g NA; 105%; NA

Brightness (xSol)
g 139%

Metallicity
g NA

Comparison to Sol
g NA

Picture of star
g NA

Star system features
g NA

Known planets
g NA

Habitable zone
g NA

Orbital map
g NA

View from star
g NA

Nearby stars
(Star systems with 10 light years)
g NA

Map locating star system
g NA

Location in Earth sky
g In constellation Lynx

Other names
g GJ 1095
g HD 55575
g HIP: 35136
g BD: +47° 1419
g YPC: 1687.00

Sci-fi mentions
g NA


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GJ 1224

Star type
g M4.5 V

Distance from Earth
g 24.58 ly

Star Service No.
g NA

Age
g NA

Diameter/Mass/Temp (xSol)
g NA; 16%; NA

Brightness (xSol)
g 0.0375% (flare star)

Metallicity
g NA

Comparison to Sol
g See chart (similar to Proxima)

Picture of star
g NA

Star system features
g NA

Known planets
g NA

Habitable zone
g 0.013 A.U.s (visual comfort zone)

Orbital map
g NA

View from star
g NA

Nearby stars
(Star systems with 10 light years)
g Bonner Durchmusterung -3°4233: 5.6951 ly
g 36 Ophiuchi: 7.84687 ly (class K1e V)
g Wolf 629: 8.10413 ly
g Bonner Durchmusterung +2°3312: 8.86458 ly (class K7 V)
g Melbourne Observatory 4: 9.05027 ly (class K3 V)
g Wolf 630: 9.05959 ly

Map locating star system
g NA

Location in Earth sky
g In constellation Serpens Cauda

Other names
g G 154-44; LHS 3359; GJ 1224

Sci-fi mentions
g NA

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LHS 1070 ABCD

Star type
g A: M5.5 V
g B: M8.5 V
g C: M9.2 V
g D: M V

Distance from Earth
g 24.46 ly

Star Service No.
g NA

Age
g A: NA
g B: NA
g C: NA
g D: NA

Diameter/Mass/Temp (xSol)
g A: NA; 5.3%; NA
g B: NA; 8%; NA
g C: NA; 8%; NA
g D: NA; NA; NA

Brightness (xSol)
g A: 0.0034% (flare star)
g B: NA
g C: NA
g D: NA

Metallicity
g A: NA
g B: NA
g C: NA
g D: NA


Comparison to Sol
g A: See chart (similar to Proxima)
g B: NA
g C: NA
g D: NA

Picture of star
g A: NA
g B: NA
g C: NA
g D: NA

Star system features
g NA

Known planets
g A: NA
g B: NA
g C: NA
g D: NA

Habitable zone
g A: 0.0058 A.U.s
g B: NA
g C: NA
g D: NA

Orbital map
g NA

View from stars
g NA

Nearby stars
(Star systems with 10 light years)
g Luyten 362-81: 7.28827 ly
g Fomalhaut: 8.06826 ly
g TW Piscis Austrini: 8.20909 ly (class K5e V)
g Eggen/Greenstein white dwarf 246: 8.36004 ly
g Heintz 299: 8.58178 ly
g CD -23°17699: 8.74091 ly (class K7 V)

Map locating star system
g NA

Location in Earth sky
g In constellation Sculptor

Other names
g A-D: GJ 2005 ABCD
g A: LP 881-64

Sci-fi mentions
g NA

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Beta Hydri

Star type
g G1

Distance from Earth
g 24.38 ly

Star Service No.
g NA

Age
g NA

Diameter/Mass/Temp (xSol)
g 166%; 133%; NA

Brightness (xSol)
g 362.4%

Metallicity
g 67%

Comparison to Sol
g See chart (similar to Sun)

Picture of star
g NA

Star system features
g NA

Known planets
g NA

Habitable zone
g 1.904 A.U.s; angular size of star in sky would be 0.464839 degrees. Probability of a habitable planet: 3.7%

Orbital map
g NA

View from star
g NA

Nearby stars
(Star systems with 10 light years)
g Luyten 49-19: 4.51395 ly (class K V-VI)
g Cape Photographic Durchmusterung -68°41: 5.06908 ly (class late K)
g Zeta Tucanae: 6.71568 ly (class F9 V)
g Delta Pavonis: 9.32339 ly (class G8 V)
g P Eridani: 9.97911 ly (class K2 V)

Map locating star system
g NA

Location in Earth sky
g NA

Other names
g Bet Hyi; bet Hyd
g HR 98
g Gl 19
g Hip 2021
g HD 2151
g CD-77 15
g CP(D)-77 16
g SAO 255670
g FK5 11
g LHS 6
g LTT 226
g LPM 22
g LFT 43

Sci-fi mentions
g Known as "Borka" in the "Star Trek" universe. Borka VI was the site of a neuropsychology seminar attended by Deanna Troi in "Star Trek: The Next Generation" episode "Face of the Enemy."
g An intelligent species equal in technology to Earth's mid 20th century exists on cloud-shrouded Beta Hydri IV in Robert Silverberg's "The Man in the Maze"

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107 Piscium

Star type
g K1 V

Distance from Earth
g 24.36 ly

Star Service No.
g NA

Age
g 6 Gyr

Diameter/Mass/Temp (xSol)
g 96.3%; 89%; 5200 K

Brightness (xSol)
g 37%

Metallicity
g 63%

Comparison to Sol
g See chart (similar to Alpha Centauri B)

Picture of star
g NA

Star system features
g NA

Known planets
g None; definitely no planets in torch orbit

Habitable zone
g 0.623 A.U.s; such a planet would orbit star every 202.275 days; angular size of star in sky would be 0.823596 degrees. 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 +25°7918: 6.52768 ly
g Bonner Durchmusterung +6°398: 7.7992 ly; (habitable K3 V)
g Bonner Durchmusterung +4°123: 8.42785 ly; (habitable class K2 V)
g Catalogue Astrographique +3°2259-31: 8.59696 ly
g Luyten 1305-10: 9.48781 ly

Map locating star system
g NA

Location in Earth sky
g In the northeastern part (01:42:29.76+20:16:06.62, ICRS 2000.0) of Constellation Pisces, the Fish, northwest of Sheratan (Beta Arietis) and southeast of the Triangulum Galaxy (M33)

Other names
g Gliese 68
g BD +19°279
g HIP 7981
g LHS 1287
g HR 493
g HD 10476
g SAO 74883
g NSV 600
g 107 Psc
g CCDM J01425+2016A
g GC 2080
g GCTP 356
g IDS 01371+1947 A
g LFT 153
g LTT 10596
g NLTT 5685
g PPM 91014
g WDS 01425+2016A

Sci-fi mentions
g In "Absolution Gap," a novel by Alastair Reynolds, The 107 Piscium system has a gas giant named Haldora and a habitable moon named Hela, which is colonized by humans in the 27th and 28th centuries.
g Known as the Feidlech (Aske) System in the ArcBuilder Universe.

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Wolf 25

Star type
g K1-2 Ve

Distance from Earth
g 24.33 ly

Star Service No.
g NA

Age
g Perhaps up to 10 Gyr

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

Brightness (xSol)
g 24.5%

Metallicity
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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Luyten 788-34

Star type
g M4V

Distance from Earth
g 24.32 ly

Star Service No.
g NA

Age
g NA

Diameter/Mass/Temp (xSol)
g NA; 17%; NA

Brightness (xSol)
g 0.193% (flare star)

Metallicity
g NA

Comparison to Sol
g See chart (similar to Proxima)

Picture of star
g NA

Star system features
g NA

Known planets
g NA

Habitable zone
g NA

Orbital map
g NA

View from star
g NA

Nearby stars
(Star systems with 10 light years)
g NA

Map locating star system
g NA

Location in Earth sky
g In constellation Aquarius

Other names
g Gliese 4274
g LHS 3799
g LTT 9001
g LP 820-12

Sci-fi mentions
g NA

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