<Table> Nearest star systems <Tr> <Th colspan="2"> Designation </Th> <Th> Distance ( light - years ( ± err ) ) </Th> <Th> Stellar class </Th> <Th> Apparent magnitude ( m or m ) </Th> <Th> Absolute magnitude ( M or M ) </Th> <Th colspan="2"> Epoch J2000. 0 </Th> <Th> Parallax ( mas ( ± err ) ) </Th> <Th> Discovery date </Th> <Th> Notes and additional references </Th> </Tr> <Tr> <Th> System </Th> <Th> Star # </Th> <Th> Right ascension </Th> <Th> Declination </Th> </Tr> <Tr> <Td> Solar System </Td> <Td> Sun </Td> <Td> 5000000000000000000 ♠ 0 </Td> <Td> G2V </Td> <Td> − 26.74 </Td> <Td> 4.85 </Td> <Td> -- </Td> <Td> -- </Td> <Td> -- </Td> <Td> -- </Td> <Td> eight planets </Td> </Tr> <Tr> <Td> Alpha Centauri ( Rigil Kentaurus ) </Td> <Td> Proxima Centauri ( V645 Centauri ) </Td> <Td> 7000424410000000000 ♠ 4.2441 ± 0.0011 </Td> <Td> M5. 5Ve </Td> <Td> 11.09 </Td> <Td> 15.53 </Td> <Td> 14 29 43.0 </Td> <Td> − 62 ° 40 ′ 46 '' </Td> <Td> 7002768500000000000 ♠ 768.50 ± 0.20 </Td> <Td> 1915 </Td> <Td> flare star , one planet ( b ) ( 2016 ) </Td> </Tr> <Tr> <Td> α Centauri A ( HD 128620 ) </Td> <Td> 7000436500000000000 ♠ 4.3650 ± 0.0068 </Td> <Td> G2V </Td> <Td> 0.01 </Td> <Td> 4.38 </Td> <Td> 14 39 36.5 </Td> <Td> − 60 ° 50 ′ 02 '' </Td> <Td> 7002747230000000000 ♠ 747.23 ± 1.17 </Td> <Td> -- </Td> <Td> </Td> </Tr> <Tr> <Td> α Centauri B ( HD 128621 ) </Td> <Td> K1V </Td> <Td> 1.34 </Td> <Td> 5.71 </Td> <Td> 14 39 35.1 </Td> <Td> − 60 ° 50 ′ 14 '' </Td> <Td> 1689 </Td> <Td> one suspected planet ( c ) ( 2013 ) ( planet b refuted in 2015 ) </Td> </Tr> <Tr> <Td colspan="2"> Barnard 's Star ( BD + 04 ° 3561a ) </Td> <Td> 7000595770000000000 ♠ 5.9577 ± 0.0032 </Td> <Td> M4. 0Ve </Td> <Td> 9.53 </Td> <Td> 13.22 </Td> <Td> 17 57 48.5 </Td> <Td> + 04 ° 41 ′ 36 '' </Td> <Td> 7002547450000000000 ♠ 547.45 ± 0.29 </Td> <Td> 1916 </Td> <Td> flare star , largest known proper motion </Td> </Tr> <Tr> <Td> Luhman 16 ( WISE 1049 − 5319 ) </Td> <Td> Luhman 16A </Td> <Td> 7000650490000000000 ♠ 6.5049 ± 0.0012 </Td> <Td> L8 ± 1 </Td> <Td> 10.7 J </Td> <Td> 14.2 J </Td> <Td> 10 49 15.57 </Td> <Td> − 53 ° 19 ′ 06 '' </Td> <Td> 7002501398000000000 ♠ 501.398 ± 0.093 </Td> <Td> 2013 </Td> <Td> one refuted planet ( Ab in 2017 ) </Td> </Tr> <Tr> <Td> Luhman 16B </Td> <Td> T1 ± 2 </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td colspan="2"> WISE 0855 − 0714 </Td> <Td> 7000726000000000000 ♠ 7.26 ± 0.13 </Td> <Td> Y2 </Td> <Td> 25.0 J </Td> <Td> </Td> <Td> 08 55 10.83 </Td> <Td> − 07 ° 14 ′ 42.5 '' </Td> <Td> 7002449000000000000 ♠ 449 ± 8 </Td> <Td> 2014 </Td> <Td> sub-brown dwarf </Td> </Tr> <Tr> <Td colspan="2"> Wolf 359 ( CN Leonis ) </Td> <Td> 7000785600000000000 ♠ 7.856 ± 0.031 </Td> <Td> M6. 0V </Td> <Td> 13.44 </Td> <Td> 16.55 </Td> <Td> 10 56 29.2 </Td> <Td> + 07 ° 00 ′ 53 '' </Td> <Td> 7002415160000000000 ♠ 415.16 ± 1.62 </Td> <Td> 1919 </Td> <Td> flare star </Td> </Tr> <Tr> <Td colspan="2"> Lalande 21185 ( BD + 36 ° 2147 ) </Td> <Td> 7000830700000000000 ♠ 8.307 ± 0.014 </Td> <Td> M2. 0V </Td> <Td> 7.47 </Td> <Td> 10.44 </Td> <Td> 11 03 20.2 </Td> <Td> + 35 ° 58 ′ 12 '' </Td> <Td> 7002392640000000000 ♠ 392.64 ± 0.67 </Td> <Td> 1801 </Td> <Td> one suspected planet ( 2017 ) </Td> </Tr> <Tr> <Td> Sirius ( α Canis Majoris ) </Td> <Td> Sirius A </Td> <Td> 7000865900000000000 ♠ 8.659 ± 0.010 </Td> <Td> A1V </Td> <Td> − 1.46 </Td> <Td> 1.42 </Td> <Td> 06 45 08.9 </Td> <Td> − 16 ° 42 ′ 58 '' </Td> <Td> 7002376680000000000 ♠ 376.68 ± 0.45 </Td> <Td> -- </Td> <Td> brightest star in the night sky </Td> </Tr> <Tr> <Td> Sirius B </Td> <Td> DA2 </Td> <Td> 8.44 </Td> <Td> 11.34 </Td> <Td> 1844 </Td> </Tr> <Tr> <Td> Luyten 726 - 8 </Td> <Td> Luyten 726 - 8 A ( BL Ceti ) </Td> <Td> 7000879100000000000 ♠ 8.791 ± 0.012 </Td> <Td> M5. 5Ve </Td> <Td> 12.54 </Td> <Td> 15.40 </Td> <Td> 01 39 01.3 </Td> <Td> − 17 ° 57 ′ 01 '' </Td> <Td> 7002371000000000000 ♠ 371.0 ± 0.5 </Td> <Td> 1949 </Td> <Td> flare star ( Archetypal member ) </Td> </Tr> <Tr> <Td> Luyten 726 - 8 B ( UV Ceti ) </Td> <Td> M6. 0Ve </Td> <Td> 12.99 </Td> <Td> 15.85 </Td> </Tr>
<Table> Nearest star systems <Tr> <Th colspan="2"> Designation </Th> <Th> Distance ( light - years ( ± err ) ) </Th> <Th> Stellar class </Th> <Th> Apparent magnitude ( m or m ) </Th> <Th> Absolute magnitude ( M or M ) </Th> <Th colspan="2"> Epoch J2000. 0 </Th> <Th> Parallax ( mas ( ± err ) ) </Th> <Th> Discovery date </Th> <Th> Notes and additional references </Th> </Tr> <Tr> <Th> System </Th> <Th> Star # </Th> <Th> Right ascension </Th> <Th> Declination </Th> </Tr> <Tr> <Td> Solar System </Td> <Td> Sun </Td> <Td> 5000000000000000000 ♠ 0 </Td> <Td> G2V </Td> <Td> − 26.74 </Td> <Td> 4.85 </Td> <Td> -- </Td> <Td> -- </Td> <Td> -- </Td> <Td> -- </Td> <Td> eight planets </Td> </Tr> <Tr> <Td> Alpha Centauri ( Rigil Kentaurus ) </Td> <Td> Proxima Centauri ( V645 Centauri ) </Td> <Td> 7000424410000000000 ♠ 4.2441 ± 0.0011 </Td> <Td> M5. 5Ve </Td> <Td> 11.09 </Td> <Td> 15.53 </Td> <Td> 14 29 43.0 </Td> <Td> − 62 ° 40 ′ 46 '' </Td> <Td> 7002768500000000000 ♠ 768.50 ± 0.20 </Td> <Td> 1915 </Td> <Td> flare star , one planet ( b ) ( 2016 ) </Td> </Tr> <Tr> <Td> α Centauri A ( HD 128620 ) </Td> <Td> 7000436500000000000 ♠ 4.3650 ± 0.0068 </Td> <Td> G2V </Td> <Td> 0.01 </Td> <Td> 4.38 </Td> <Td> 14 39 36.5 </Td> <Td> − 60 ° 50 ′ 02 '' </Td> <Td> 7002747230000000000 ♠ 747.23 ± 1.17 </Td> <Td> -- </Td> <Td> </Td> </Tr> <Tr> <Td> α Centauri B ( HD 128621 ) </Td> <Td> K1V </Td> <Td> 1.34 </Td> <Td> 5.71 </Td> <Td> 14 39 35.1 </Td> <Td> − 60 ° 50 ′ 14 '' </Td> <Td> 1689 </Td> <Td> one suspected planet ( c ) ( 2013 ) ( planet b refuted in 2015 ) </Td> </Tr> <Tr> <Td colspan="2"> Barnard 's Star ( BD + 04 ° 3561a ) </Td> <Td> 7000595770000000000 ♠ 5.9577 ± 0.0032 </Td> <Td> M4. 0Ve </Td> <Td> 9.53 </Td> <Td> 13.22 </Td> <Td> 17 57 48.5 </Td> <Td> + 04 ° 41 ′ 36 '' </Td> <Td> 7002547450000000000 ♠ 547.45 ± 0.29 </Td> <Td> 1916 </Td> <Td> flare star , largest known proper motion </Td> </Tr> <Tr> <Td> Luhman 16 ( WISE 1049 − 5319 ) </Td> <Td> Luhman 16A </Td> <Td> 7000650490000000000 ♠ 6.5049 ± 0.0012 </Td> <Td> L8 ± 1 </Td> <Td> 10.7 J </Td> <Td> 14.2 J </Td> <Td> 10 49 15.57 </Td> <Td> − 53 ° 19 ′ 06 '' </Td> <Td> 7002501398000000000 ♠ 501.398 ± 0.093 </Td> <Td> 2013 </Td> <Td> one refuted planet ( Ab in 2017 ) </Td> </Tr> <Tr> <Td> Luhman 16B </Td> <Td> T1 ± 2 </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td colspan="2"> WISE 0855 − 0714 </Td> <Td> 7000726000000000000 ♠ 7.26 ± 0.13 </Td> <Td> Y2 </Td> <Td> 25.0 J </Td> <Td> </Td> <Td> 08 55 10.83 </Td> <Td> − 07 ° 14 ′ 42.5 '' </Td> <Td> 7002449000000000000 ♠ 449 ± 8 </Td> <Td> 2014 </Td> <Td> sub-brown dwarf </Td> </Tr> <Tr> <Td colspan="2"> Wolf 359 ( CN Leonis ) </Td> <Td> 7000785600000000000 ♠ 7.856 ± 0.031 </Td> <Td> M6. 0V </Td> <Td> 13.44 </Td> <Td> 16.55 </Td> <Td> 10 56 29.2 </Td> <Td> + 07 ° 00 ′ 53 '' </Td> <Td> 7002415160000000000 ♠ 415.16 ± 1.62 </Td> <Td> 1919 </Td> <Td> flare star </Td> </Tr> <Tr> <Td colspan="2"> Lalande 21185 ( BD + 36 ° 2147 ) </Td> <Td> 7000830700000000000 ♠ 8.307 ± 0.014 </Td> <Td> M2. 0V </Td> <Td> 7.47 </Td> <Td> 10.44 </Td> <Td> 11 03 20.2 </Td> <Td> + 35 ° 58 ′ 12 '' </Td> <Td> 7002392640000000000 ♠ 392.64 ± 0.67 </Td> <Td> 1801 </Td> <Td> one suspected planet ( 2017 ) </Td> </Tr> <Tr> <Td> Sirius ( α Canis Majoris ) </Td> <Td> Sirius A </Td> <Td> 7000865900000000000 ♠ 8.659 ± 0.010 </Td> <Td> A1V </Td> <Td> − 1.46 </Td> <Td> 1.42 </Td> <Td> 06 45 08.9 </Td> <Td> − 16 ° 42 ′ 58 '' </Td> <Td> 7002376680000000000 ♠ 376.68 ± 0.45 </Td> <Td> -- </Td> <Td> brightest star in the night sky </Td> </Tr> <Tr> <Td> Sirius B </Td> <Td> DA2 </Td> <Td> 8.44 </Td> <Td> 11.34 </Td> <Td> 1844 </Td> </Tr> <Tr> <Td> Luyten 726 - 8 </Td> <Td> Luyten 726 - 8 A ( BL Ceti ) </Td> <Td> 7000879100000000000 ♠ 8.791 ± 0.012 </Td> <Td> M5. 5Ve </Td> <Td> 12.54 </Td> <Td> 15.40 </Td> <Td> 01 39 01.3 </Td> <Td> − 17 ° 57 ′ 01 '' </Td> <Td> 7002371000000000000 ♠ 371.0 ± 0.5 </Td> <Td> 1949 </Td> <Td> flare star ( Archetypal member ) </Td> </Tr> <Tr> <Td> Luyten 726 - 8 B ( UV Ceti ) </Td> <Td> M6. 0Ve </Td> <Td> 12.99 </Td> <Td> 15.85 </Td> </Tr>
which is the second nearest star to the earth after the sun
which is the second nearest star to the earth after the sun
Proxima Centauri ( V645 Centauri )
Proxima Centauri ( V645 Centauri )