Phoenix Dwarf: Difference between revisions

Phoenix Dwarf Galaxy
Phoenix Dwarf Galaxy
	Phoenix Dwarf by the Hubble Space Telescope
Observation data (J2000 epoch)
Constellation	Phoenix
Right ascension	01h 51m 06.3s
Declination	−44° 26′ 41″
Redshift	60 ± 30 km/s
Distance	1.44 ± 0.07 Mly (440 ± 20 kpc)
Apparent magnitude (V)	13.1
Characteristics
Type	IAm
Apparent size (V)	4′.9 × 4′.1
Notable features	-
Other designations
	ESO 245- G 007, PGC 6830

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Revision as of 00:06, 29 July 2017

The Phoenix Dwarf is a dwarf irregular galaxy discovered in 1976 by Hans-Emil Schuster and Richard Martin West and mistaken for a globular cluster.^[4]^[5] It is currently 1.44 Mly away from Earth. Its name comes from the fact that it is part of the Phoenix constellation.

Characteristics

The Phoenix Dwarf has an inner part of young stars which is stretched in an east-west direction and an outer part of mainly old stars that is stretched north-south. The central region's rate of star formation seems to have been relatively constant across time (Martínez-Delgado et al. 1999). In 1999, St-Germain et al. discovered a H I region of about 10⁵ M_☉ just to the west of Phoenix. Its radial velocity is -23 km/s and may be physically associated with Phoenix if it is found to have a similar radial velocity.^[6]

References

^ ^a ^b ^c ^d ^e ^f ^g ^h "NASA/IPAC Extragalactic Database". Results for Phoenix Dwarf. Retrieved 2007-03-15.
^ I. D. Karachentsev; V. E. Karachentseva; W. K. Hutchmeier; D. I. Makarov (2004). "A Catalog of Neighboring Galaxies". Astronomical Journal. 127 (4): 2031–2068. Bibcode:2004AJ....127.2031K. doi:10.1086/382905.
^ Karachentsev, I. D.; Kashibadze, O. G. (2006). "Masses of the local group and of the M81 group estimated from distortions in the local velocity field". Astrophysics. 49 (1): 3–18. Bibcode:2006Ap.....49....3K. doi:10.1007/s10511-006-0002-6.
^ Schuster, H.-E.; West, R. M. (May 1976). "A very distant globular cluster?". Astronomy & Astrophysics. 49: 129–131. Bibcode:1976A&A....49..129S.
^ Canterna, R.; Flower, P. J. (March 1977). "A new dwarf irregular galaxy in the constellation Phoenix". Astrophysical Journal. 212 (Letters): L57–L58. Bibcode:1977ApJ...212L..57C. doi:10.1086/182374.
^ van den Bergh, Sidney (April 2000). "Updated Information on the Local Group". The Publications of the Astronomical Society of the Pacific. 112 (770): 529–536. arXiv:astro-ph/0001040. Bibcode:2000PASP..112..529V. doi:10.1086/316548.

External links

The Phoenix Dwarf on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images

[ned-1] ^ ^a ^b ^c ^d ^e ^f ^g ^h "NASA/IPAC Extragalactic Database". Results for Phoenix Dwarf. Retrieved 2007-03-15.

[karachentsevetal2004-2] I. D. Karachentsev; V. E. Karachentseva; W. K. Hutchmeier; D. I. Makarov (2004). "A Catalog of Neighboring Galaxies". Astronomical Journal. 127 (4): 2031–2068. Bibcode:2004AJ....127.2031K. doi:10.1086/382905.

[Karachentsevetal2006-3] Karachentsev, I. D.; Kashibadze, O. G. (2006). "Masses of the local group and of the M81 group estimated from distortions in the local velocity field". Astrophysics. 49 (1): 3–18. Bibcode:2006Ap.....49....3K. doi:10.1007/s10511-006-0002-6.

[schusteretal1976-4] Schuster, H.-E.; West, R. M. (May 1976). "A very distant globular cluster?". Astronomy & Astrophysics. 49: 129–131. Bibcode:1976A&A....49..129S.

[Canternaetal1977-5] Canterna, R.; Flower, P. J. (March 1977). "A new dwarf irregular galaxy in the constellation Phoenix". Astrophysical Journal. 212 (Letters): L57–L58. Bibcode:1977ApJ...212L..57C. doi:10.1086/182374.

[Bergh2000-6] van den Bergh, Sidney (April 2000). "Updated Information on the Local Group". The Publications of the Astronomical Society of the Pacific. 112 (770): 529–536. arXiv:astro-ph/0001040. Bibcode:2000PASP..112..529V. doi:10.1086/316548.

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  | doi = 10.1086/182374
  | postscript = <!--None-->
-}}</ref> In the Catalogue of Named Galaxies, it is called '''Nivalis Phoenicis''', or the ''snowy'' galaxy.<ref>{{cite web|last1=Bodifee|first1=Gerard|title=Catalogue of One Thousand Named Galaxies|url=http://www.bodifee.be/wp-content/uploads/2015/08/2_CMG.pdf|accessdate=21 May 2017}}</ref> It is currently 1.44&nbsp;[[Light-year|Mly]] away from [[Earth]]. Its name comes from the fact that it is part of the [[Phoenix constellation]].
+}}</ref> It is currently 1.44&nbsp;[[Light-year|Mly]] away from [[Earth]]. Its name comes from the fact that it is part of the [[Phoenix constellation]].
 == Characteristics ==