Astronomy:NGC 4125
From HandWiki
| NGC 4125 | |
|---|---|
 NGC 4125 imaged by the Hubble Space Telescope | |
| Observation data (J2000 epoch) | |
| Constellation | Draco[1] |
| Right ascension | 12h 08m 06.017s[2] |
| Declination | +65° 10′ 26.878″[2] |
| Redshift | 0.004273[2] |
| Helio radial velocity | 1281 ± 14 km/s[2] |
| Distance | 66.9 ± 4.8 Mly (20.50 ± 1.47 Mpc)[2] |
| Apparent magnitude (V) | 10.7[2] |
| Characteristics | |
| Type | E6 pec[2] |
| Size | ~140,000 ly (42.92 kpc) (estimated)[2] |
| Apparent size (V) | 5.8′ × 3.2′[2] |
| Other designations | |
| IRAS 12055+6527, UGC 7118, MCG+11-15-027, PGC 38524[2] | |
NGC 4125 is an elliptical galaxy in the constellation Draco. It was discovered on 4 January 1850 by English astronomer John Russell Hind.[3]
Supernova
One supernova has been observed in NGC 4125. SN 2016coj (Type Ia, mag. 14.8) was discovered by the Lick Observatory Supernova Search (LOSS), using the Katzman Automatic Imaging Telescope, on 28 May 2016.[4][5] After detection, it became brighter over the course of several days.[5] It reached magnitude 13, making it the brightest supernova of 2016.[6]
See also
References
- ↑ R. W. Sinnott, ed (1988). The Complete New General Catalogue and Index Catalogue of Nebulae and Star Clusters by J. L. E. Dreyer. Sky Publishing Corporation and Cambridge University Press. ISBN 978-0-933346-51-2.
- ↑ 2.00 2.01 2.02 2.03 2.04 2.05 2.06 2.07 2.08 2.09 "NASA/IPAC Extragalactic Database". Results for object NGC 4125. https://ned.ipac.caltech.edu/byname?objname=NGC+4125.
- ↑ Seligman, Courtney. "New General Catalogue Objects: NGC 4125". https://cseligman.com/text/atlas/ngc41.htm#4125.
- ↑ "SN 2016coj". IAU. https://www.wis-tns.org/object/2016coj.
- ↑ 5.0 5.1 Lewis, Danny. "Spy Two Supernovae in June's Night Sky" (in en). https://www.smithsonianmag.com/smart-news/spy-two-supernovae-june-night-sky-180959400/.
- ↑ Bishop, David. "Bright Supernovae - 2016". https://www.rochesterastronomy.org/sn2016/index.html.
External links
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