Astronomy:NGC 1398
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| NGC 1398 | |
|---|---|
 | |
| Observation data (J2000 epoch) | |
| Constellation | Fornax |
| Right ascension | 03h 38m 52.0633s[1] |
| Declination | −26° 20′ 15.583″[1] |
| Redshift | 0.004657[1] |
| Distance | 61.8 ± 4.3 Mly (18.96 ± 1.33 Mpc)[1] |
| Apparent magnitude (V) | 10.63[1] |
| Characteristics | |
| Type | (R')SB(r)ab[1] |
| Size | ~291,900 ly (89.51 kpc) (estimated)[1] |
| Apparent size (V) | 7.1′ × 5.4′[1] |
| Other designations | |
| ESO 482-22, IRAS 03367-2629, MCG-04-09-040, PGC 13434[1] | |
NGC 1398 is an isolated barred spiral galaxy exhibiting a double ring structure. It is located 65 million light years from the Earth, in the constellation of Fornax.[2][3] The galaxy, with a diameter of approximately 292,000 light years, is bigger than the Milky Way. Over 100 billion stars are in the galaxy.[4] The discovery credit for NGC 1398 is often given to Friedrich Winnecke of Karlsruhe, Germany, who observed it on 17 December 1868, while he was searching for comets.[5] German astronomer Wilhelm Tempel had first observed it on 9 October 1861, but he did not publish his observation until 1882.[6]
Supernovae
Two supernovae have been observed in NGC 1398:
- SN 1996N (Type Ib/c, mag. 16) was discovered by the Perth Astronomical Research Group on 12 March 1996.[7][8]
- SN 2025zi (Type Iax [02cx-like], mag. 20.07) was discovered by BlackGEM on 21 January 2025.[9]
Gallery
-
NGC 1398 imaged by the Mount Lemmon Observatory -
NGC 1398 imaged by GALEX -
DSS image of NGC 1398 -
NGC 1398 imaged by the Hubble Space Telescope -
NGC 1398 imaged by Pan-STARRS -
![NGC 1398 imaged by Dark Energy Survey[10]](/wiki/images/thumb/4/40/A_Galaxy_Adrift.jpg/252px-A_Galaxy_Adrift.jpg)
NGC 1398 imaged by Dark Energy Survey[10]
![NGC 1398 imaged by Dark Energy Survey[10]](/wiki/File:A_Galaxy_Adrift.jpg)
See also
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 "NED results for object NGC 1398". https://ned.ipac.caltech.edu/byname?objname=ngc+1398.
- ↑ "NGC 1398". http://www.noao.edu/outreach/aop/observers/n1398.html.
- ↑ Moore, E. M.; Gottesman, S. T. (1 July 1995). "The Barred Spiral Galaxy NGC 1398 and Its Pattern Speed". The Astrophysical Journal 447: 159. doi:10.1086/175862. Bibcode: 1995ApJ...447..159M. http://articles.adsabs.harvard.edu/cgi-bin/nph-iarticle_query?bibcode=1995ApJ...447..159M&db_key=AST&page_ind=0&data_type=GIF&type=SCREEN_VIEW&classic=YES. Retrieved 17 February 2015.
- ↑ "Dark Energy Survey kicks off second season cataloging the wonders of deep space". 18 August 2014. http://www.fnal.gov/pub/presspass/press_releases/2014/Dark-Energy-Survey-20140818.html.
- ↑ Stephen James O'Meara (12 April 2007). Deep-Sky Companions: Hidden Treasures. Cambridge University Press. pp. 110. ISBN 978-1-139-46373-7. https://books.google.com/books?id=a6VY0Q1zsJoC&pg=PA110.
- ↑ Seligman, Courtney. "New General Catalogue Objects: NGC 1398". https://cseligman.com/text/atlas/ngc13a.htm#1398.
- ↑ Williams, A.; Martin, R.; Germany, L.; Schmidt, B.; Stathakis, R.; Johnston, H. (1996). "Supernova 1996N in NGC 1398". International Astronomical Union Circular (6351): 1. Bibcode: 1996IAUC.6351....1W. http://www.cbat.eps.harvard.edu/iauc/06300/06351.html#Item1.
- ↑ "SN 1996N". IAU. https://www.wis-tns.org/object/1996N.
- ↑ "SN 2025zi". IAU. https://www.wis-tns.org/object/2025zi.
- ↑ "A Galaxy Adrift". NOIRLab. https://noirlab.edu/public/images/iotw2140a/.
External links
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