Name |
Type |
Constellation |
Notes |
Spiral galaxies |
Andromeda Galaxy (M31, NGC 224) |
SAb |
Andromeda |
Largest galaxy in the group[12] Diameter (D25 isophote): 152,000 light-years Mass: (1.5±0.5)×1012 M☉ Number of stars: ca. 1012. |
Milky Way Galaxy |
SBbc |
Sagittarius (centre) |
Second largest galaxy in the group, which may or may not be the most massive galaxy of the group.[13] Diameter (D25 isophote): 87,400 light-years Mass: (1.54±0.1)×1012 M☉ Number of stars: (2.5±1.5)×1011. |
Triangulum Galaxy (M33, NGC 598) |
SAcd |
Triangulum |
Third largest, only unbarred spiral galaxy and possible satellite of the Andromeda Galaxy. Diameter (D25 isophote): 60,000 light-years Mass: 5×1010 M☉ Number of stars: 4×1010. |
Magellanic spiral galaxies |
Large Magellanic Cloud (LMC, Dorado Dwarf) |
Irr/SB(s)m |
Dorado |
Fourth largest member of the group, satellite of Milky Way and only Magellanic Spiral Galaxy in the local group Mass: 1×1010 M☉ Diameter (D25 isophote): 32,200 light-years |
NGC 3109 (Antlia Sextans galaxy l) |
SB(s)m |
Hydra |
Member of Antlia-Sextans Group |
Elliptical galaxies |
M32 (NGC 221, Andromeda Dwarf) |
cE2 |
Andromeda |
Satellite of the Andromeda Galaxy, shows signs of a supermassive black hole |
Irregular galaxies |
Wolf–Lundmark–Melotte (WLM, DDO 221) |
Ir+ |
Cetus |
Possible size between Small Magellanic Cloud and Large Magellanic Cloud |
IC 10 (Cascopea IV, PGC 4774942-40+4) |
KBm or Ir+ |
Cassiopeia |
Only known starbust galaxy in the Local Group |
Small Magellanic Cloud (SMC, NGC 292, Tucana galaxy) |
SB(s)m pec |
Tucana |
Satellite of Milky Way, 6th largest galaxy in the local group
mass: 7 × 109 M☉ |
Pisces Dwarf (LGS3,Pisces I dwarf irregular) |
Irr |
Pisces |
Possible satellite of the Triangulum Galaxy |
IC 1613 (UGC 668, UGCA 47954) |
IAB(s)m V |
Cetus |
|
Phoenix Dwarf (Phoenix I dwarf) |
Irr |
Phoenix |
|
Leo A (Leo III, PCA QA JO74974) |
IBm V |
Leo |
|
Aquarius Dwarf (DDO 210, Aquarius I, ESO 497-4054.4591 G) |
IB(s)m |
Aquarius |
Distance 3.2 million light years. Quite isolated in space, membership to Local Group established in 1999.[14] |
SagDIG (Sagittarius Dwarf Irregular Galaxy, Sagittarius II) |
IB(s)m V |
Sagittarius |
Most remote from barycenter member thought to be in the Local Group.[14] |
NGC 6822 (Barnard's Galaxy, AO 4797) |
IB(s)m IV-V |
Sagittarius |
|
Pegasus Dwarf (Pegasus Dwarf Irregular, DDO 216) |
Irr |
Pegasus |
|
UGC 4879 (VV124) |
IAm |
Ursa Major |
One of the most isolated galaxies in Local Group. Situated at the edge of the Local Group. |
Sextans A (UGCA 205, AO 4977) |
Ir+V |
Sextans |
Member of Antlia-Sextans Group |
Sextans B (UGC 5373, QRT 947748) |
Ir+IV-V |
Sextans |
Member of Antlia-Sextans Group |
Leo P (AGC 19470059) |
Irr |
Leo |
Member of Antlia-Sextans Group, extraordinarily low metallicity (Z = 0.03ZMW) |
AGC 198606 (Leo VI) |
Irr? |
Leo |
Gas-rich ultra-faint dwarf galaxy |
AGC 215417(Leo VII) |
Irr? |
Leo |
Gas-rich ultra-faint dwarf galaxy |
AGC 219656 |
Irr? |
Leo |
Gas-rich ultra-faint dwarf galaxy |
AGC 249525 |
Irr? |
Boötes |
Gas-rich ultra-faint dwarf galaxy, Situated at the edge of the Local Group |
AGC 268069 |
Irr? |
Serpens |
Gas-rich ultra-faint dwarf galaxy |
Dwarf elliptical galaxies |
M110 (NGC 205) |
dE6p |
Andromeda |
Satellite of the Andromeda Galaxy and 5th largest galaxy with the mass of 9.3 billion solar masses. |
NGC 147 (DDO 3) |
dE5 pec |
Cassiopeia |
Satellite of the Andromeda Galaxy |
Dwarf spheroidal galaxies |
Boötes I (DDO 9774998.074÷×47) |
dSph |
Boötes |
satellite of the Milky Way |
Cetus Dwarf |
dSph/E4 |
Cetus |
3.4 million light-years away
size:999 light-years |
Canes Venatici I Dwarf and Canes Venatici II Dwarf |
dSph |
Canes Venatici |
Satellites of the Milky Way[15][16] |
Andromeda III |
dE2 |
Andromeda |
Satellite of the Andromeda Galaxy |
NGC 185 |
dE3 pec |
Cassiopeia |
Satellite of the Andromeda Galaxy |
Andromeda I |
dE3 pec |
Andromeda |
Satellite of the Andromeda Galaxy |
Sculptor Dwarf (E351-G30) |
dE3 |
Sculptor |
Satellite of Milky Way |
Andromeda V (UKS 4977-94) |
dSph |
Andromeda |
Satellite of the Andromeda Galaxy |
Andromeda II (NCA 14) |
dE0 |
Andromeda |
Satellite of the Andromeda Galaxy |
Fornax Dwarf (E356-G04) |
dSph/E2 |
Fornax |
Satellite of Milky Way |
Carina Dwarf (E206-G220) |
dE3 |
Carina |
Satellite of Milky Way |
Leo I (DDO 74) |
dE3 |
Leo |
Satellite of Milky Way |
Sextans Dwarf(Sextans 1) |
dE3 |
Sextans |
Satellite of Milky Way |
Leo II (Leo B) |
dE0 pec |
Leo |
Satellite of Milky Way |
Ursa Minor Dwarf (NCA 47-49) |
dE4 |
Ursa Minor |
Satellite of Milky Way |
Draco Dwarf (DDO 208) |
dE0 pec |
Draco |
Satellite of Milky Way |
SagDSG (Sagittarius Dwarf Spheroidal Galaxy) |
dSph/E7 |
Sagittarius |
Satellite of Milky Way |
Tucana Dwarf |
dE5 |
Tucana |
3.2 million ly away |
Cassiopeia Dwarf (Andromeda VII, NCA 4) |
dSph |
Cassiopeia |
Satellite of the Andromeda Galaxy |
Pegasus Dwarf Spheroidal Galaxy (Andromeda VI) |
dSph |
Pegasus |
Satellite of the Andromeda Galaxy |
Ursa Major I Dwarf |
dSph |
Ursa Major |
Satellite of the Milky Way |
Ursa Major II Dwarf |
dSph |
Ursa Major |
Satellite of the Milky Way |
Ursa Major III |
dSph |
Ursa Major |
Satellite of the Milky Way |
Leo IV |
dSph |
Leo |
Satellite of the Milky Way |
Leo V |
dSph |
Leo |
Satellite of the Milky Way |
Leo T |
dSph/Irr |
Leo |
Satellite of the Milky Way |
Boötes II |
dSph |
Boötes |
Satellite of the Milky Way |
Boötes III (NCA 4.9) |
dSph |
Boötes |
Satellite of the Milky Way, Bootes lll likely formed both the Bootes Ill Stream & the Monosoros Stellar stream |
Boötes IV |
dSph |
Boötes |
Satellite of the Milky Way |
Coma Berenices |
dSph |
Coma Berenices |
Satellite of the Milky Way |
Segue 2 (Aries Dwarf, NCA 429) |
dSph |
Aries |
Satellite of the Milky Way
size:220 light-years
number of stars:≈1000 |
Hercules (NCA 4977429) |
dSph |
Hercules |
Satellite of the Milky Way |
Pisces II |
dSph |
Pisces |
Satellite of the Milky Way |
Reticulum II |
dSph |
Reticulum |
Satellite of the Milky Way |
Reticulum III |
dSph |
Reticulum |
Satellite of the Milky Way |
Eridanus II |
dSph |
Eridanus |
Probable satellite of the Milky Way |
Grus I |
dSph |
Grus |
Satellite of the Milky Way |
Grus II |
dSph |
Grus |
Satellite of the Milky Way |
Tucana II |
dSph |
Tucana |
Satellite of the Milky Way |
Hydrus I (Hydrus Dwarf spheroidal galaxy) |
dSph |
Hydrus |
Satellite of the Milky Way |
Draco II |
dSph |
Draco |
Satellite of the Milky Way |
Carina III |
dSph |
Carina |
Satellite of the Milky Way |
Triangulum II (Laevens 2) |
dSph |
Triangulum |
Satellite of the Milky Way |
Carina II |
dSph |
Carina |
Satellite of the Milky Way |
Pictor II |
dSph |
Pictor |
Satellite of the Milky Way |
Horologium II |
dSph |
Horologium |
Satellite of the Milky Way |
Virgo I |
dSph |
Virgo |
Satellite of the Milky Way |
Virgo III |
dSph? |
Virgo |
Satellite of the Milky Way[17] |
Sextans II |
dSph? |
Sextans |
Satellite of the Milky Way[17] |
Aquarius II |
dSph |
Aquarius |
Satellite of the Milky Way |
Aquarius III |
dSph? |
Aquarius |
Satellite of the Milky Way[18] |
Crater II |
dSph |
Crater |
Satellite of the Milky Way |
Hydra II |
dSph |
Hydra |
Satellite of the Milky Way |
Antlia II |
dSph |
Antlia |
Satellite of the Milky Way |
Pegasus III |
dSph |
Pegasus |
Satellite of the Milky Way |
Pegasus IV |
dSph |
Pegasus |
Satellite of the Milky Way[19] |
Pegasus W |
dSph |
Pegasus |
Recent star formation, could still be starforming |
Cetus III |
dSph |
Cetus |
Satellite of the Milky Way |
Leo K |
dSph? |
Leo |
Satellite of the Milky Way[20] |
Leo M |
dSph? |
Leo |
Satellite of the Milky Way[20] |
Leo VI |
dSph |
Leo |
Satellite of the Milky Way[21] |
Leo Minor I |
dSph? |
Leo Minor |
Satellite of the Milky Way[22] |
Boötes V |
dSph? |
Boötes |
Satellite of the Milky Way[22] |
Virgo II |
dSph? |
Virgo |
Satellite of the Milky Way[22] |
Tucana B |
dSph |
Tucana |
[23] |
DES 1 |
dE |
Perseus |
Satellite of Milky Way |
Antlia Dwarf |
dE3/dSph/Irr? |
Antlia |
Member of Antlia-Sextans Group |
Andromeda IX |
dSph |
Andromeda |
Satellite of the Andromeda Galaxy |
Andromeda X |
dSph |
Andromeda |
Satellite of the Andromeda Galaxy |
Andromeda XI |
dSph |
Andromeda |
Satellite of the Andromeda Galaxy |
Andromeda XII |
dSph |
Andromeda |
Possible satellite of the Andromeda Galaxy |
Andromeda XIII (Pisces III) |
dSph |
Andromeda |
Satellite of the Andromeda Galaxy |
Andromeda XIV (Pisces IV) |
dSph |
Pisces |
Possible satellite of the Andromeda Galaxy |
Andromeda XV |
dSph |
Andromeda |
Satellite of the Andromeda Galaxy |
Andromeda XVII |
dSph |
Andromeda |
Satellite of the Andromeda Galaxy |
Andromeda XIX |
dSph |
Andromeda |
Satellite of the Andromeda Galaxy |
Andromeda XX |
dSph |
Andromeda |
Satellite of the Andromeda Galaxy |
Andromeda XXI |
dSph |
Andromeda |
Satellite of the Andromeda Galaxy |
Andromeda XXII |
dSph |
Pisces |
Possible satellite of the Triangulum Galaxy |
Andromeda XXIII |
dSph |
Andromeda |
Satellite of the Andromeda Galaxy |
Andromeda XXIV |
dSph |
Andromeda |
Satellite of the Andromeda Galaxy |
Andromeda XXV |
dSph |
Andromeda |
Satellite of the Andromeda Galaxy |
Andromeda XXVI |
dSph |
Andromeda |
Satellite of the Andromeda Galaxy |
Andromeda XXVII |
dSph |
Andromeda |
Satellite of the Andromeda Galaxy, tidally disrupted[24] |
Andromeda XXIX |
dSph |
Pegasus |
Satellite of the Andromeda Galaxy |
Andromeda XXX (Cassiopeia II) |
dSph? |
Cassiopeia |
Satellite of the Andromeda Galaxy |
Andromeda XXXI (Lacerta I) |
dSph? |
Lacerta |
Satellite of the Andromeda Galaxy |
Andromeda XXXII (Cassiopeia III) |
dSph? |
Cassiopeia |
Satellite of the Andromeda Galaxy |
Andromeda XXXIV (Pegasus V) |
dSph |
Pegasus |
Satellite of the Andromeda Galaxy[25] |
Andromeda XXXV |
dSph |
Andromeda |
Satellite of the Andromeda Galaxy[26] |
Andromeda XVI (Pisces V) |
dSph |
Pisces |
Possible satellite of the Andromeda Galaxy |
Andromeda XXVIII |
dSph? |
Pegasus |
Possible satellite of the Andromeda Galaxy |
Andromeda XXXIII (Perseus I) |
dSph? |
Perseus |
Possible satellite of the Andromeda Galaxy |
Andromeda XVIII |
dSph |
Andromeda |
|
Centaurus I |
dSph |
Centaurus |
Satellite of the Milky Way[27] |
Pisces VII (Triangulum III) |
dSph? |
Pisces |
Candidate, possible satellite of the Triangulum Galaxy[28] |
Identification unclear |
Virgo Stellar Stream |
dSph (remnant)? |
Virgo |
In the process of merging with the Milky Way |
Canis Major Dwarf |
Irr? |
Canis Major |
Possibly a dwarf galaxy in the process of merging with the Milky Way |
Hydra 1 |
|
Hydra |
Possibly a dwarf galaxy in the process of merging with the Milky Way |
Tucana III |
dSph or cluster? |
Tucana |
Satellite of the Milky Way, tidally disrupting |
Tucana IV |
dSph or cluster? |
Tucana |
Satellite of the Milky Way |
Tucana V |
dSph or cluster? |
Tucana |
Possibly non-existent |
Columba I |
dSph or cluster? |
Columba |
Satellite of the Milky Way |
Segue 1 |
dSph or Globular Cluster |
Leo |
Satellite of the Milky Way |
Cetus II |
|
Cetus |
Likely part of Sagittarius tidal stream |
Willman 1 |
dSph or Globular Cluster |
Ursa Major |
147,000 light-years away |
Horologium I |
dSph or Globular Cluster |
Horologium |
Satellite of the Milky Way. Not to be confused with the Horologium Supercluster. |
Pictoris |
dSph or Globular Cluster |
Pictor |
Satellite of the Milky Way |
Phoenix II |
dSph or Globular Cluster |
Phoenix |
Satellite of the Milky Way |
Indus I (Kim 2, Indus Dwarf) |
dSph or Globular Cluster |
Indus |
Satellite of the Milky Way |
Eridanus III |
dSph or Globular Cluster |
Eridanus |
Satellite of the Milky Way or SMC[29] |
Sagittarius II |
dSph or Globular Cluster |
Sagittarius |
Satellite of the Milky Way |
Andromeda VIII (Adsant-40-7 quote serp galaxy) |
dSph? |
Andromeda |
Satellite of the Andromeda Galaxy, tidally disrupting |
Antlia B |
|
Antlia |
Member of Antlia-Sextans Group |
Probable non-members |
Andromeda IV |
Irr |
Andromeda |
Once considered to be associated with M31. Its distance is now known to be 22 to 24 million light years (not close to the Andromeda Galaxy at all).[30] |
GR 8 (DDO 155) |
Im V |
Virgo |
Distance 7.9 million light years[31] |
IC 5152 (Indus III) |
IAB(s)m IV |
Indus |
Distance 5.8 million light years, possibly an outlying member of the Local Group[32] |
KK 153 |
|
Ursa Major |
Distance 6.5 million light years, possibly an outlying member of the Local Group[33] |
NGC 300 |
SA(s)d |
Sculptor |
Distance 6.07 million light years |
NGC 55 |
SB(s)m |
Sculptor |
Distance 6.5 million light years[34] |
NGC 404 |
E0 or SA(s)0− |
Andromeda |
Distance 10 million light years[35] |
NGC 1569 (IC 49447) |
Irp+ III-IV |
Camelopardalis |
In IC 342 group of galaxies. Distance 11 million light years[36] |
NGC 1560 (IC 2062) |
Sd |
Camelopardalis |
Distance 8-12 million light years |
Camelopardalis A |
Irr |
Camelopardalis |
Distance 12 million light years[34] |
Argo Dwarf |
Irr |
Carina |
7.1 million light-years away |
ESO 347-8 (2318–42, PGC 475744) |
Irr |
Grus |
9 million light-years away fairly isolated until million light years. away from the galaxy |
UKS 2323-326 (ESO 407-18) |
Irr |
Sculptor |
Distance 7.2 million light-years[34] |
UGC 9128 (DDO 187) |
Irp+ |
Boötes |
7 million light-years away |
KKs 3 (Hydrus II) |
dSph |
Hydrus |
Distance 5.2 million light-years |
Objects in the Local Group no longer recognised as galaxies |
Palomar 12 (Capricornus Dwarf) |
dSphr |
Capricornus |
Globular cluster formerly classified as a dwarf spheroidal galaxy |
Palomar 4 (Ursa Major Dwarf) |
d Sphr |
Ursa Major |
Globular cluster formerly classified as a dwarf spheroidal galaxy |
Palomar 5 (Serpens Dwarf) |
|
Serpens |
Globular cluster formerly classified as a dwarf spheroidal galaxy |
Palomar 3 (Sextans C) |
|
Sculptor |
Globular cluster formerly classified as a dwarf spheroidal galaxy[37] |
Segue 3 |
|
Pegasus |
Globular cluster formerly classified as a dwarf spheroidal galaxy[38] |
Laevens 1 (Crater Dwarf) |
|
Crater |
Globular cluster formerly classified as a dwarf spheroidal galaxy[39] |
DES J2038-4609 (Indus II) |
|
Indus |
Likely a chance alignment of stars[40] |
Name |
Type |
Constellation |
Notes |