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NGC 6261

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Galaxy in the constellation Hercules
NGC 6261
NGC 6261 imaged by Sloan Digital Sky Survey
Observation data (J2000 epoch)
ConstellationHercules
Right ascension16 56 30.526
Declination+27° 58′ 39.24″
Redshift0.035184
Heliocentric radial velocity10,601 km/s
Distance471.4 Mly (144.53 Mpc)
Apparent magnitude (V)14.5
Surface brightness28.5 mag/arcsec
Characteristics
TypeS0/a
Size200,000 ly
Other designations
PGC 59286, UGC 10617, MCG +05-40-006, CGCG 169-013, 2MASX J16563054+2758392, SDSS J165630.51+275839.0, UZC J165630.6+275839, NSA 070084, NVSS J165630+275838, LEDA 59286

NGC 6261 is a lenticular galaxy in the constellation of Hercules. It is located 470 million light-years away from the Solar System and has an approximate diameter of 200,000 light-years.

NGC 6261 was discovered on July 13, 1880, by French astronomer Edouard Stephan. The galaxy is described as LINER according to SIMBAD database and presents emission spectrum in its nucleus which is categorized by broad lines of weak ionized atoms.

Supernovae

Two supernovae have been discovered in NGC 6261: SN 2007hu and SN 2008dt.

SN 2007hu

SN 2007hu was discovered on September 9, 2007, by astronomers Ernesto Guido, A. Sehgal and Tim Puckett. It had a magnitude of 17.7 and was located 1".3 west and 1".4 north of the nucleus. The supernova was Type la.

SN 2008dt

SN 2008dt was discovered on 30 June, 2008, by astronomers D. Madison, W. Li and A.V. Filippenko at the University of California, Berkeley. It had a magnitude of 17.2 and was located 1".0 east and 5.5" south of the nucleus. The supernova was Type la.

See also

References

  1. ^ "NGC 6261". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2024-11-08.
  2. Astronomy, Go. "NGC 6261 | galaxy in Hercules | NGC List | GO ASTRONOMY". Go-Astronomy.com. Retrieved 2024-04-27.
  3. "NGC 6261 - Lenticular Galaxy in Hercules | TheSkyLive.com". theskylive.com. Retrieved 2024-04-27.
  4. "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2024-04-27.
  5. Seligman, Courtney. "New General Catalogue Objects: NGC 6261". Celestial Atlas. Retrieved 28 August 2024.
  6. ^ "SN 2007hu | Transient Name Server". www.wis-tns.org. Retrieved 2024-04-27.
  7. "Bright Supernovae - 2007". www.rochesterastronomy.org. Retrieved 2024-04-27.
  8. ^ "SN 2008dt | Transient Name Server". www.wis-tns.org. Retrieved 2024-04-27.
  9. "SN 2008dt - Home". www.astrosurf.com. Retrieved 2024-04-27.
  10. Madison, D.; Li, W.; Filippenko, A. V. (2008-07-01). "Supernovae 2008dt and 2008du". Central Bureau Electronic Telegrams. 1423: 1. Bibcode:2008CBET.1423....1M.
  11. "Bright Supernovae - 2008". www.rochesterastronomy.org. Retrieved 2024-04-27.
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