Astronomy:NGC 6801
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| NGC 6801 | |
|---|---|
 PanSTARRS image of NGC 6801 | |
| Observation data (J2000 epoch) | |
| Constellation | Cygnus |
| Right ascension | 19h 27m 35.8s[1] |
| Declination | +54° 22′ 22″[1] |
| Redshift | 0.014393[1] |
| Helio radial velocity | 4361 +/- 6 km/s |
| Distance | 163.7 ± 22.5 Mly (50.2 ± 6.9 Mpc)[1] |
| Apparent magnitude (V) | 14.62[1] |
| Characteristics | |
| Type | SAcd[1] |
| Apparent size (V) | 1.3' × 0.7'[1] |
| Other designations | |
| UGC 11443, PGC 2394.[1] | |
NGC 6801 is a spiral galaxy in the constellation of Cygnus. It was discovered by Lewis A. Swift on August 5, 1886.[2]
Supernovae
Two supernovae have been observed in NGC 6801:
- SN 2011df (type Ia, mag. 17.6) was discovered by Tim Puckett and Jack Newton on 21 May 2011.[3][4]
- SN 2015af (type II, mag. 18.4) was discovered by Paolo Campaner as part of the Italian Supernovae Search Project (ISSP) on 9 August 2015.[5][6]
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 "NED results for object NGC 6801". https://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=ngc+6801&extend=no&hconst=73&omegam=0.27&omegav=0.73&corr_z=1&out_csys=Equatorial&out_equinox=J2000.0&obj_sort=RA+or+Longitude&of=pre_text&zv_breaker=30000.0&list_limit=5&img_stamp=YES.
- ↑ Seligman, Courtney. "NGC Objects: NGC 6800 - 6849". http://cseligman.com/text/atlas/ngc68.htm.
- ↑ Newton, J.; Puckett, T. (2011). "Supernova 2011df near NGC 6801 = Psn J19273364+5423113". Central Bureau for Astronomical Telegrams 2729: 1. Bibcode: 2011CBET.2729....1N. http://www.cbat.eps.harvard.edu/iau/cbet/002700/CBET002729.txt.
- ↑ "SN 2011df". IAU. https://www.wis-tns.org/object/2011df.
- ↑ "List of Supernovae". IAU. http://www.cbat.eps.harvard.edu/lists/Supernovae.html.
- ↑ "SN 2015af". IAU. https://www.wis-tns.org/object/2015af.
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