The Scale of Stars TRAPPIST-1 Shaun Sager 2018
TRAPPIST-1 168,000km M8V Proxima Wolf 359 Barnard s Ross 154 Centauri 223,000km Star 334,000km Kapteyn s M6.5Ve Star 196,000km 273,000km M3.5V M6Ve 405,000km M4V sdm1 Struve 2398 488,000km Lacaille 9352 639,000km M3V M0.5V 61 Cygni 925,000km K5V Epsilon Eridani 1,023,000km K2V Xi Bootis 1,155,000km G8V Alpha Centauri B Sun 1,204,000km 1,391,400km K1V
Barnard s Ross 154 Kapteyn s Star Star 334,000km 273,000km M3.5V M4V Lacaille 9352 639,000km 405,000km sdm1 M0.5V 61 Cygni Epsilon Eridani Xi Bootis Alpha Centauri 925,000km Sun 1,020,000km 1,150,000km 1,700,000km 1,391,400km K2V G8Ve K5V Alpha Centauri 1,707,000km Sirius Formalhaut 2,379,000km 2,563,000km A3V Altair 2,825,000km A7V
Kapteyn s Star Lacaille 9352 405,000km sdm1 639,000km M0.5V Epsilon Eridani Xi Bootis 1,020,000km K2V 1,150,000km Sun 1,391,400km G8Ve Procyon Castor A 2,850,000km 3,350,000km F5IV Alpha Centauri 1,700,000km Sirius Formalhaut Altair 2,380,000km 2,560,000km 2,820,000km A3V Algol A 3,810,000km B8V A7V Vega Regulus 3,930,000km 4,310,000km A0Va B7V
Lacaille 9352 Epsilon Eridani 640,000km 1,020,000km M0.5V K2V Castor B 4,600,000km A? Sun Sirius Altair 2,380,000km 2,820,000km A7V 1,391,400km Procyon Castor A Algol A Regulus 2,850,000km 3,350,000km 3,810,000km 4,310,000km F5IV B8V B7V Elnath Nu Orionis 5,860,000km 6,000,000km B7III B3V Merope 7,110,000km B6IVe Electra 8,090,000km B6III
Proxima Centauri Sun Sirius 1,391,400km 200,000km 2,380,000km M6Ve Procyon Castor A Algol A 2,850,000km 3,350,000km 3,810,000km F5IV Regulus Castor B 4,310,000km 4,600,000km B8V B7V Elnath 5,860,000km A? Merope 7,110,000km B7III Electra 8,090,000km B6IVe Spica 10,000,000km B1III Alycone Pollux 11,400,000km 12,200,000km B5llle K0 III Archernar 15,900,000km B6 Vep B6III Gamma Tauri 18,600,000km G8 III
Sun Sirius 1,391,400km 2,380,000km Algol A 3,810,000km B8V Merope Spica 7,110,000km B6IVe 10,000,000km B1III Mintaka 23,000,000km O9.5 II Alnitak Alcyone Pollux Archernar 11,400,000km 12,200,000km 15,900,000km B5llle K0 III B6 Vep Gamma Tauri 18,600,000km G8 III 27,800,000km Saiph Arcturus O9.5 Iab 30,900,000km 35,800,000km B0.5 Ia K1.5 IIIFe
Sun 1,391,400km Algol A Electra 3,810,000km 8,000,000km B8V B6III Pollux Gamma Tauri Mintaka 12,200,000km 18,600,000km K0 III Alnilam 36,000,000km B0 Ia R136a1 44,700,000km WN5H G8 III Alnitak 23,000,000km 27,800,000km O9.5 II O9.5 Iab Saiph Arcturus 30,900,000km 35,800,000km B0.5 Ia K1.5 IIIFe Polaris Beta Draconis 52,200,000km 55,700,000km F7V G2 II Aldebaran 61,500,000km K5 III
Algol A Pollux Gamma 3,810,000km 12,200,000km B8V K0 III Tauri 18,600,000km Alnitak 27,800,000km O9.5 Iab G8 III 78,300,000km Beta Geminorium B5 Ia 90,800,000km Aludra A9 II Arcturus 35,800,000km Alnilam R136a1 36,200,000km 44,700,000km K1.5 IIIFe B0 Ia Canopus 99,200,000km B5 Ia Polaris Aldebaran 52,200,000km 61,500,000km F7V K5 III WN5H Rigel Gacrux 109,000,000km 117,000,000km B8 Iab M3 III
Pollux Alnitak Arcturus R136a1 12,200,000km K0 III 27,800,000km O9.5 Iab Beta Pegasi 132,000,000km M2.5 II Aldebaran Aludra 35,800,000km 44,700,000km 61,500,000km K1.5 IIIFe WN5H K5 III Mirach 132,200,000km M0 III 78,300,000km Canopus Rigel Gacrux 99,200,000km 109,000,000km 117,000,000km B5 Ia B8 Iab M3 III B5 Ia Delta Sagittae 180,000,000km M2 III Enif 257,000,000km K2 III
Pollux Alnitak R136a1 12,200,000km Aldebaran 27,800,000km K0 III O9.5 Iab Rigel 44,700,000km 61,500,000km 109,000,000km WN5H K5 III B8 Iab Deneb 306,000,000km A2 Ia Gacrux Beta Pegasi 117,000,000km 132,200,000km M3 III M2.5 II Pi Aurigae Alpha Herculis 369,000,000km 394,000,000km M3 II M5 Ib-II Delta Sagittae 180,000,000km M2 III Enif 257,000,000km K2 III Pistol Star 426,000,000km LBV
Alnitak Aldebaran Rigel 27,800,000km O9.5 Iab 61,500,000km K5 III Gacrux Delta Sagittae 109,000,000km 117,000,000km B8 Iab M3 III 180,000,000km M2 III Delta2 Lyrae 464,000,000km M4 II Enif Deneb 257,000,000km K2 III Pi Aurigae 306,000,000km 369,000,000km A2 Ia Pistol Star 426,000,000km M3 II LBV Mira S Doradus Rho Cassiopiae 525,000,000km 529,000,000km M7 IIIe 626,000,000km B8/9eq G2Iae
Aldebaran 61,500,000km K5 III Rigel 109,000,000km B8 Iab Delta Sagittae 180,000,000km M2 III V509 Cassiopiae A 890,000,000km G0la0 Deneb Pistol Star 306,000,000km A2 Ia 426,000,000km LBV RS Persei 1,070,000,000km M4 Iab Mira S Doradus Rho Casseopiae 525,000,000km 529,000,000km 626,000,000km M7 IIIe B8/9eq G2Iae Eta Carinae Antares 1,110,000,000km 1,230,000,000 B0 M1.5 Iab
Aldebaran Rigel 61,500,000km K5 III Deneb 109,000,000km 306,000,000km B8 Iab A2 Ia DU Crucis 1,400,000,000km M2-lab Pistol Star 426,000,000km LBV Mira Rho Casseopiae Eta Carinae Antares 1,110,000,000km 1,230,000,000km B0 M1.5 Iab 525,000,000km 626,000,000km M7 IIIe G2 Iae VV Cephei A Betelguese Herschel s Garnet Star 1,460,000,000km 1,640,000,000km 1,750,000,000km M2-lab M1-lab M2e-la
Rigel Deneb 109,000,000km B8 Iab 306,000,000km A2 Ia Eta Carinae 1,110,000km B0 Antares 1,230,000,000km M1.5 Iab VV Cephei A 1,460,000,000km Betelguese Herschel s Garnet Star 1,640,000,000km 1,750,000,000km M1-lab M2e-la M2-lab KY Cygni VY Canis Majoris Westerlund 1-26 1,980,000,000km 1,980,000,000km 2,160,000,000Km M3-4I M3/M4 III M2-M6-Ia UY Scuti 2,380,000,000 M4 Ia