44 CLOSEST STARS AND HOW THEY COMPARE TO OUR SUN R = Solar radius (a unit of distance to express the size of stars relative to the sun) L = Solar luminosity (a unit of radiant flux used SUN System/constellation to compare the luminosity of stars, galaxies, Solar System Potential planets and other celestial objects in terms of the sunʼs output) 8 Distance From Earth 8.317 light-minutes EARTH 1R (432,288 miles) s) -year (light Proxima Centauri TH EAR Alpha Centauri OM E FR 1 ANC DIST 4.244 light-years 0.001 0.01 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 10 25 0.1542R 0.00005L L <=0.0001 α Centauri A (Rigil Kentaurus) 1 Alpha Centauri L 4.365 light-years 1.223R 1.519 L α Centauri B (Toliman) 5 Alpha Centauri light-years 4.37 light-years 0.863R 0.5002L Bernard’s Star Ophiuchus 1 5.957 light-years 0.196R 0.0035L Wolf 359 (CN Leonis) Leo 2 7.856 light-years 0.16R 0.0014L Lalande 21185 Ursa Major 1 8.307 light-years 0.393R 0.026L Sirius A Canis Major Luyten 726-8A 8.659 light-years Cetus 1.711 R 25.4L 8.791 light-years 0.14R 0.00004L Sirius B Canis Major 8.659 light-years Luyten 726-8B 0.0084R 0.056L Cetus 8.791 light-years 0.14R 0.00004L Ross 154 Sagittarius 9.7035 light-years 0.24R 0.0038L 10 light-years Epsilon Eridani Eridanus Ross 248 2 Andromeda 10.446 light-years 10.2903 light-years 0.735R 0.34L 0.16R 0.0018L Lacaille 9352 Piscis Austrinus 3 10.7211 light-years Ross 128 0.47R 0.0367L Virgo 1 EZ Aquarii A 11 light-years Aquarius 61 Cygni A 0.1967R 0.00362L 11.1 light-years Cygnus 0.175R 0.000087L 3 (part of triple star system) 11.4 light-years 0.665R 0.153L Procyon A Canis Minor 11.4 light-years 2.048R 6.93L 61 Cygni B Cygnus 11.4 light-years 0.595R 0.085L Procyon B Canis Minor 11.4 light-years 0.012R 0.00049L Struve 2398 A Draco 11.49 light-years 0.35R 0.35L Struve 2398 B Draco 2 Groombridge 34 A 11.49 light-years Andromeda 0.248R 0.021L 2 11.62 light-years 0.38R 0.022L Groombridge 34 B Andromeda 11.62 light-years 0.18R 0.00085L DX Cancri Cancer Tau Ceti 11.68 light-years Cetus 0.11 R 0.00065L 5 11.75 light-years 0.793R 0.52L Epsilon Indi Indus 1 11.87 light-years 0.73R 0.22L Teegarden’s Star YZ Ceti Gliese 1061 Kapteyn’s Star Aries Cetus Horologium Pictor 2 4 12 3 2 12.5 light-years 12.1 light-years light-years 11.98 light-years 12.8 light-years 0.127R 0.0007L 0.168R 0.00018 L 0.156R 0.001L 0.291R 0.01L Luyten’s Star Lacaille 8760 SCR 1845-6357 Canis Minor Microscopium Pavo 4 12.9 light-years 12.6 light-years 12.2 light-years 0.51R 0.072L 0.096R 0.0004L 0.35R 0.0088L Kruger 60 A Cepheus (bordering) 13 light-years 0.35R 0.01L Kruger 60 B Cepheus (bordering) 13 light-years 0.24R 0.0034L Gliese 1 Wolf 424 B Sculptor Virgo 14.2 light-years Gliese 674 Wolf 1061 Ara Ophiuchus 14.05 light-years 0.46R 0.02L 1 3 0.14R 0.0008 L 14.83 light-years 14.04 light-years 0.41R 0.016L 0.307R 0.0102L Van Maanen’s star Pisces Wolf 424 A 14.07 light-years TZ Arietis Virgo 0.011R 0.00017L Aries 14.05 light-years 14.6 light-years Gliese 687 0.17 R 0.00014 L 0.161R 0.00135L Draco 1 14.84 light-years 0.492R 0.0213 L SOURCES: nasa.gov universeguide.com space.com 15 solstation.com light-years stellar-database.com wikipedia.org researchgate.com jumk.de britannica.com.