Thực đơn
Thiên_hà_vệ_tinh_của_Ngân_Hà Danh sáchCác thiên hà vệ tinh của Dải Ngân Hà bao gồm các phần sau:[6]
Tên | Đường kính (kpc) | Khoảng cách (kpc) | Cấp sao tuyệt đối | Loại | Phát hiện |
---|---|---|---|---|---|
Large Magellanic Cloud | 4 | 48.5 | −18.1 | SBm | thời tiền sử |
Antlia 2 | 2.9 | 130 | −8.5 | ? | 2018 |
Sagittarius Dwarf | 2.6 | 20 | −13.5 | E | 1994 |
Crater II | 2.2 | 117.5 | −8.2 | dSph | 2016 [7] |
Small Magellanic Cloud | 2 | 61 | −16.8 | Irr | thời tiền sử |
Canes Venatici I | 2 | 220 | −8.6 | dSph | 2006 |
Canis Major Dwarf | 1.5 | 8 | - | Irr | 2003 |
Boötes III | 1.0 | 46 | - | dSph? | 2009 |
Sculptor Dwarf | 0.8 | 90 | −11.1 | dE3 | 1937 |
Draco Dwarf | 0.7 | 80 | −8.8 | dE0 | 1954 |
Hercules | 0.7 | 135 | −6.6 | dSph | 2006 |
Leo II | 0.7 | 210 | −9.8 | dE0 | 1950 |
Fornax Dwarf | 0.6 | 140 | −13.4 | dE2 | 1938 |
Eridanus II [8] | 0.55 | 366 | −7.1 | dSph | 2015 [9][10] |
Sextans Dwarf Spheroidal | 0.5 | 90 | −9.3 | dE3 | 1990 |
Carina Dwarf Spheroidal | 0.5 | 100 | −9.1 | dE3 | 1977 |
Leo I | 0.5 | 250 | −12.0 | dE3 | 1950 |
Ursa Minor Dwarf | 0.4 | 60 | −8.8 | dE4 | 1954 |
Indus II | 0.36 | 214 | −4.3 | dSph? | 2015 [11] |
Leo T | 0.34 | 420 | −8.0 | dSph/dIrr | 2006 |
Aquarius II | 0.32 | 108 | −4.2 | dSph | 2016 [12] |
Boötes I | 0.30 | 60 | −6.3 | dSph | 2006 |
Canes Venatici II | 0.30 | 155 | −4.9 | dSph | 2006 |
Leo IV | 0.30 | 160 | −5.8 | dSph | 2006 |
Tucana IV | 0.25 | 48 | −3.5 | dSph | 2015 [11] |
Columba I | 0.21 | 182 | −4.5 | dSph | 2015 [11] |
Ursa Major II Dwarf | 0.20 | 30 | - | dG D | 2006 |
Grus II | 0.19 | 53 | −3.9 | dSph | 2015 [11] |
Cetus III | 0.18 | 251 | −2.4 | dSph? | 2017 [13] |
Coma Berenices | 0.14 | 42 | −4.1 | dSph | 2006 |
Hydra II | 0.14 | 128 | −4.8 | dSph | 2015 [14] |
Reticulum III | 0.13 | 92 | −3.3 | dSph | 2015 [11] |
Pisces II | 0.12 | 180 | −5.0 | dSph | 2010 |
Pegasus III | 0.11 | 215 | −3.4 | dSph | 2015 [15][16] |
Hydrus I | 0.10 | 28 | −4.7 | dSph | 2018 [17] |
Boötes II | 0.10 | 42 | −2.7 | dSph | 2007 |
Tucana III | 0.09 | 25 | −2.4 | dSph | 2015 [11] |
Virgo | 0.09 | 91 | −0.3 | dSph? | 2016 [13] |
Horologium II | 0.09 | 78 | −2.6 | dSph | 2015 [18] |
Sagittarius II | 0.08 | 67 | −5.2 | dSph | 2015 [19] |
Leo V | 0.08 | 180 | −5.2 | dSph | 2007 |
Triangulum II | 0.07 | 30 | −1.8 | dSph | 2015 |
Segue 2 | 0.07 | 35 | −2.5 | dSph | 2007 |
Segue 1 | 0.06 | 23 | −1.5 | dSph | 2007 |
Draco II | 0.04 | 20 | −2.9 | dSph | 2015 [19] |
Tucana V | 0.03 | 55 | −1.6 | dSph | 2015 [11] |
Cetus II | 0.03 | 30 | 0.0 | dSph? | 2015 [11] |
Reticulum II | - | 30 | −3.6 | dSph | 2015 [9][10] |
Tucana II | - | 70 | −3.9 | dSph | 2015 [9][10] |
Pisces I | - | 80 | - | dSph? | 2009 |
DES | - | 82 | - | GC | 2016 [20] |
Eridanus III | - | 90 | −2.4 | dSph?[lower-alpha 1] | 2015 [9][10] |
Horologium I | - | 100 | −3.5 | dSph?[lower-alpha 1] | 2015 [9][10] |
Kim 2/Indus I | - | 100 | - | GC | 2015 [9][10] |
Phoenix II | - | 100 | −3.7 | dSph?[lower-alpha 1] | 2015 [9][10] |
Ursa Major I Dwarf | - | 100 | −5.5 | dG D | 2005 |
Pictoris | - | 115 | −3.7 | dSph?[lower-alpha 1] | 2015 [9][10] |
Grus I | - | 120 | −3.4 | dSph | 2015 [9] |
Carina II (dwarf galaxy) | 0.182 | 36 | −4.5 | dSph | 2018 [21] |
Carina III (dwarf galaxy) | 0.06 | 28 | −2.4 | GC? | 2018 [21] |
Thực đơn
Thiên_hà_vệ_tinh_của_Ngân_Hà Danh sáchLiên quan
Tài liệu tham khảo
WikiPedia: Thiên_hà_vệ_tinh_của_Ngân_Hà http://www.spacedaily.com/reports/Milky_Way_Ransac... //arxiv.org/abs/1310.0014 //arxiv.org/abs/1410.0028 //arxiv.org/abs/1503.02079 //arxiv.org/abs/1503.02584 //arxiv.org/abs/1503.06216 //arxiv.org/abs/1503.08268 //arxiv.org/abs/1505.04948 //arxiv.org/abs/1507.07564 //arxiv.org/abs/1508.02381