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NGC 178

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00^h39^m08.4^s, -14° 10′ 22.3″ From Wikipedia, the free encyclopedia

NGC 178

HST image of NGC 178

Observation data (J2000 epoch)

Constellation

Cetus

Right ascension

00^h39^m 08.392^s^[1]

Declination

−14° 10′ 22.25″^[1]

Redshift

0.004863^[2]

Heliocentric radial velocity

1454.4 km/s^[2]

Distance

67 Mly (20.6 Mpc)^[3]

Apparent magnitude (V)

12.6^[4]

Apparent magnitude (B)

13.6^[2]

Characteristics

Type

SB(s)m^[5]

Size

25 to 30 kly^[4]

Apparent size (V)

1.85′ × 0.85′^[4]

Other designations

IC39, MCG -02-02-078, PGC 2349^[2]

NGC 178 is a Magellanic spiral^[5] galaxy in the constellation of Cetus. The compiler of the New General Catalogue, John Louis Emil Dreyer noted that NGC 178 was "faint, small, much extended 0°, brighter middle". It was discovered on November 3, 1885, by Ormond Stone.^[4]

Due to its high rate of star formation NGC 178 is a starburst galaxy.^[4] It is forming new stars at a rate of 0.55 M_☉ per year.^[3] The peculiar morphology of this galaxy may be a sign of it being a galaxy merger.^[6]

References[edit]

^ ^a ^b Skrutskie, Michael F.; Cutri, Roc M.; Stiening, Rae; Weinberg, Martin D.; Schneider, Stephen E.; Carpenter, John M.; Beichman, Charles A.; Capps, Richard W.; Chester, Thomas; Elias, Jonathan H.; Huchra, John P.; Liebert, James W.; Lonsdale, Carol J.; Monet, David G.; Price, Stephan; Seitzer, Patrick; Jarrett, Thomas H.; Kirkpatrick, J. Davy; Gizis, John E.; Howard, Elizabeth V.; Evans, Tracey E.; Fowler, John W.; Fullmer, Linda; Hurt, Robert L.; Light, Robert M.; Kopan, Eugene L.; Marsh, Kenneth A.; McCallon, Howard L.; Tam, Robert; Van Dyk, Schuyler D.; Wheelock, Sherry L. (1 February 2006). "The Two Micron All Sky Survey (2MASS)". The Astronomical Journal. 131 (2): 1163–1183. Bibcode:2006AJ....131.1163S. doi:10.1086/498708. ISSN 0004-6256. S2CID 18913331.

^ ^a ^b ^c ^d "NGC 178". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2015-09-30.

^ ^a ^b Zastrow, Jordan; Oey, M. S.; Veilleux, Sylvain; McDonald, Michael (2013). "New Constraints on the Escape of Ionizing Photons from Starburst Galaxies Using Ionization-Parameter Mapping". The Astrophysical Journal. 779 (1): 76. arXiv:1311.2227. Bibcode:2013ApJ...779...76Z. doi:10.1088/0004-637X/779/1/76. S2CID 14717292.

^ ^a ^b ^c ^d ^e Seligman, Courtney. "New General Catalogue objects: NGC 150 - 199". cseligman.com. Retrieved 2021-02-08.

^ ^a ^b "Results for object NGC 0178 (NGC 178)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2021-02-08.

^ Meurer, Gerhardt R.; Hanish, D. J.; Ferguson, H. C.; Knezek, P. M.; Kilborn, V. A.; Putman, M. E.; Smith, R. C.; Koribalski, B.; Meyer, M.; Oey, M. S.; Ryan-Weber, E. V.; Zwaan, M. A.; Heckman, T. M.; Kennicutt, Jr, R. C.; Lee, J. C.; Webster, R. L.; Bland-Hawthorn, J.; Dopita, M. A.; Freeman, K. C.; Doyle, M. T.; Drinkwater, M. J.; Staveley-Smith, L.; Werk, J. (2006). "The Survey for Ionization in Neutral Gas Galaxies. I. Description and Initial Results". The Astrophysical Journal Supplement Series. 165 (1): 307–337. arXiv:astro-ph/0604444. Bibcode:2006ApJS..165..307M. doi:10.1086/504685. S2CID 9655238.