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Antlia Dwarf information


Antlia Dwarf
Antlia Dwarf by Hubble Space Telescope
Observation data (J2000 epoch)
ConstellationAntlia
Right ascension10h 04m 03.9s[1]
Declination−27° 19′ 55″[1]
Redshift362 ± 0 km/s[1]
Distance1.32 ± 0.06[2] Mpc
1.33 ± 0.10[3] Mpc
1.31 ± 0.03[4] Mpc
1.29 ± 0.02[5] Mpc
1.25[6] Mpc
Group or clusterAntlia-Sextans Group
Apparent magnitude (V)15.67 ± 0.02[2]
Characteristics
TypedE3.5[1] dSph,[3] dSph/Irr
Mass3 × 107 M
Apparent size (V)2′.0 × 1′.5[1]
Other designations
Antlia Dwarf Galaxy,[1] PGC 29194[1]
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The Antlia Dwarf is a dwarf spheroidal/irregular galaxy. It lies about 1.3 Mpc (4.3 million light-years) from Earth in the constellation Antlia. It is the fourth and faintest member of the nearby Antlia-Sextans Group of galaxies. The galaxy contains stars of all ages, contains significant amounts of gas, and has experienced recent star formation. The Antlia Dwarf is believed to be tidally interacting with the small barred spiral galaxy NGC 3109.[3][7]

  1. ^ a b c d e f g Cite error: The named reference ned was invoked but never defined (see the help page).
  2. ^ a b Cite error: The named reference AparicioEtAl1997 was invoked but never defined (see the help page).
  3. ^ a b c Cite error: The named reference vandenBerg1999 was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference PiersimoniEtAl1999 was invoked but never defined (see the help page).
  5. ^ Dalcanton, J. J.; Williams, B. F.; Seth, A. C.; Dolphin, A.; Holtzman, J.; Rosema, K.; Skillman, E. D.; Cole, A.; Girardi, L. O.; Gogarten, S. M.; Karachentsev, I. D.; Olsen, K.; Weisz, D.; Christensen, C.; Freeman, K.; Gilbert, K.; Gallart, C.; Harris, J.; Hodge, P.; De Jong, R. S.; Karachentseva, V.; Mateo, M.; Stetson, P. B.; Tavarez, M.; Zaritsky, D.; Governato, F.; Quinn, T. (2009). "The Acs Nearby Galaxy Survey Treasury". The Astrophysical Journal Supplement Series. 183 (1): 67–108. arXiv:0905.3737. Bibcode:2009ApJS..183...67D. doi:10.1088/0067-0049/183/1/67. S2CID 5032304.
  6. ^ Tully, R. B.; Rizzi, L.; Dolphin, A. E.; Karachentsev, I. D.; Karachentseva, V. E.; Makarov, D. I.; Makarova, L.; Sakai, S.; Shaya, E. J. (2006). "Associations of Dwarf Galaxies". The Astronomical Journal. 132 (2): 729–748. arXiv:astro-ph/0603380. Bibcode:2006AJ....132..729T. doi:10.1086/505466. S2CID 119505770.
  7. ^ Cite error: The named reference Grebel2003 was invoked but never defined (see the help page).

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Antlia Dwarf

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The Antlia Dwarf is a dwarf spheroidal/irregular galaxy. It lies about 1.3 Mpc (4.3 million light-years) from Earth in the constellation Antlia. It is...

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Antlia

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exoplanets, HD 93083 and WASP-66, lie within Antlia, as do NGC 2997, a spiral galaxy, and the Antlia Dwarf Galaxy. The French astronomer Nicolas-Louis...

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Antlia Cluster

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from Earth in the constellation Antlia. The Antlia Cluster should not be confused with the Antlia Dwarf galaxy. Antlia is classified as a rare Bautz–Morgan...

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Local Group

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Sagittarius Dwarf Irregular Galaxy. The membership of NGC 3109, with its companions Sextans A and the Antlia Dwarf Galaxy as well as Sextans B, Leo P, Antlia B...

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Antlia II

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Antlia II (Ant II) is a low-surface-brightness dwarf satellite galaxy of the Milky Way at a galactic latitude of 11.2°. It spans 1.26° in the sky just...

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NGC 3109

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NGC 3109 is believed to be tidally interacting with the dwarf elliptical galaxy Antlia Dwarf. It was discovered by John Herschel on March 24, 1835 while...

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Crater 2 Dwarf

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matter hypothesis. This prediction was later confirmed by observations. Antlia 2 Satellite galaxies of the Milky Way Local Group Torrealba, G.; Koposov...

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List of nearest galaxies

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5 + 1 {\displaystyle d_{pc}=10^{{\frac {m-M}{5}}+1}} Galaxies of small Antlia-Sextans Group, which is considered as part of Local Group, but membership...

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List of stars in Antlia

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This is the list of notable stars in the constellation Antlia, sorted by decreasing brightness. |} List of stars by constellation ESA (1997). "The Hipparcos...

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List of brown dwarfs

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a list of brown dwarfs. These are objects that have masses between heavy gas giants and low-mass stars. The first isolated brown dwarf discovered was Teide...

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Leo P

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light years away, and may not be part of it, instead being part of the Antlia-Sextans Group, a small grouping of galaxies adjacent to the Local Group...

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Pyxis

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honouring the ancestors of the emperor, along with stars from neighbouring Antlia. The French astronomer Nicolas-Louis de Lacaille first described the constellation...

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Satellite galaxies of the Milky Way

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Of the galaxies confirmed to be in orbit, the largest is the Sagittarius Dwarf Elliptical Galaxy, which has a diameter of 2.6 kiloparsecs (8,500 ly) or...

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List of nearest stars

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This list covers all known stars, white dwarfs, brown dwarfs, and sub-brown dwarfs within 20 light-years (6.13 parsecs) of the Sun. So far, 131 such objects...

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Outline of astronomy

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X-ray Timing Explorer Hypercompact stellar system Constellation Andromeda Antlia Apus Aquarius Aquila Ara Aries Auriga Boötes Caelum Camelopardalis Cancer...

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Satellite galaxy

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closest dwarf irregular satellites of the Milky Way include the Small Magellanic Cloud, Canis Major Dwarf, and the newly discovered Antlia 2. Dwarf elliptical...

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Lists of stars by constellation

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Andromeda Antlia Apus Aquarius Aquila Ara Aries Auriga Boötes Caelum Camelopardalis Cancer Canes Venatici Canis Major Canis Minor Capricornus Carina Cassiopeia...

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Andromeda XIX

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billion years ago. However, compared to dwarf galaxies of similar mass Andromeda XIX is extremely diffuse, like Antlia II. Surveillance was performed during...

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Centaurus

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Earth and the largest identified in the Milky Way, possibly a remnant of a dwarf galaxy. Centaurus contains several very bright stars. Its alpha and beta...

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Large Magellanic Cloud

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The Large Magellanic Cloud (LMC) is a dwarf galaxy and satellite galaxy of the Milky Way. At a distance of around 50 kiloparsecs (163,000 light-years)...

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Fornax

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named for the Table Mountain. The other thirteen (alongside Fornax) are Antlia, Caelum, Circinus, Horologium, Microscopium, Norma, Octans, Pictor, Pyxis...

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Astronomical symbols

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those for the thirteen constellations already listed above). Andromeda Antlia Apus Aquarius Aquila Ara Argo Navis Carina Puppis Vela Aries Auriga Boötes...

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List of proper names of stars

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most of Portugal is situated. // Hercules λ Herculis Maasym /ˈmeɪəsɪm/ Antlia HD 93083 Macondo IAU new 2019 Colombian proposal; named after a mythical...

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