NGC 6261

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NGC 6261
NGC6261 - SDSS DR14.jpg
Sloan Digital Sky Survey image of NGC 6261
Observation data
Constellation Hercules
Right ascension 254.127 degrees
Declination 27.97 degrees
Redshift 0.035184
Heliocentric radial velocity 10,601 km/s
Distance 471.4 Mly (144.53 Mpc)
Apparent magnitude  (V)14.5
Surface brightness 28.5 mag/arcsec
Characteristics
Type S0/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. [1] [2] It is located 470 million light-years away from the Solar System and has an approximate diameter of 200,000 light-years. [3]

Contents

NGC 6261 was discovered on July 13, 1880, by French astronomer Edouard Stephan. The galaxy is described as LINER according to SIMBAD database [4] 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 so far: SN 2007hu and SN 2008dt.

SN 2007hu

SN 2007hu [5] was discovered on September 9, 2007, by astronomers Ernesto Guido, A. Sehgal and Tim Puckett. [6] 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. [5]

SN 2008dt

SN 2008dt [7] was discovered on 30 June, 2008, [8] by astronomers D. Madison, W. Li and A.V. Filippenko at the University of California, Berkeley. [9] It had a magnitude of 17.2 and was located 1".0 east and 5.5" south of the nucleus. [10] The supernova was Type la. [7]

Related Research Articles

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<span class="mw-page-title-main">NGC 1259</span> Galaxy in the constellation Perseus

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<span class="mw-page-title-main">NGC 1282</span> Galaxy in the constellation Perseus

NGC 1282 is an elliptical galaxy located about 230 million light-years away in the constellation Perseus. It was discovered by astronomer Guillaume Bigourdan on October 23, 1884. NGC 1282 is a member of the Perseus Cluster.

<span class="mw-page-title-main">NGC 3841</span> Galaxy in the constellation Leo

NGC 3841 is an elliptical or lenticular galaxy located about 300 million light-years away in the constellation Leo. It was discovered by astronomer John Herschel on March 25, 1827 is a member of the Leo Cluster.

<span class="mw-page-title-main">NGC 3873</span> Galaxy in the constellation Leo

NGC 3873 is an elliptical galaxy located about 300 million light-years away in the constellation Leo. The galaxy was discovered by astronomer Heinrich d'Arrest on May 8, 1864. NGC 3873 is a member of the Leo Cluster.

<span class="mw-page-title-main">NGC 753</span> Galaxy in the constellation Andromeda

NGC 753 is a spiral galaxy located 220 million light-years away in the constellation Andromeda. The galaxy was discovered by astronomer by Heinrich d'Arrest on September 16, 1865 and is a member of Abell 262.

<span class="mw-page-title-main">NGC 759</span> Galaxy in the constellation Andromeda

NGC 759 is an elliptical galaxy located 230 million light-years away in the constellation Andromeda. NGC 759 was discovered by astronomer by Heinrich d'Arrest on September 17, 1865. It is a member of Abell 262.

<span class="mw-page-title-main">NGC 4076</span> Galaxy in the constellation Coma Berenices

NGC 4076 is a spiral galaxy located 290 million light-years away in the constellation Coma Berenices. The galaxy was discovered by astronomer William Herschel on April 27, 1785 and is a member of the NGC 4065 Group.

<span class="mw-page-title-main">NGC 6122</span> Galaxy in the constellation Corona Borealis

NGC 6122 is a spiral galaxy located around 484 million light-years away in the constellation Corona Borealis. NGC 6122 was discovered on May 6, 1886 by the astronomer Guillaume Bigourdan, and its diameter is 211,000 light-years. NGC 6122 is not known to have much star-formation, and does not have an active galactic nucleus.

<span class="mw-page-title-main">IC 4040</span> Galaxy in the constellation Coma Berenices

IC 4040 is a type SABc spiral galaxy with a bar in Coma Berenices. It is located 353 million light-years away from the Solar System and has an estimated diameter of 105,000 light-years making it slightly larger than the Milky Way. IC 4040 was discovered on April 12, 1891, by Guillaume Bigourdan and is a member of the Coma Cluster.

<span class="mw-page-title-main">NGC 3746</span>

NGC 3746 is a large barred spiral galaxy with a ring structure located in the Leo constellation. It is located 449 million light-years from the Solar System and has an approximate diameter of 165,000 light-years. NGC 3746 was discovered by Ralph Copeland on 9 February 1874 with subsequent observations made by Hermann Kobold, Lawrence Parsons and John Louis Emil Dreyer.

<span class="mw-page-title-main">IC 2759</span> Elliptical galaxy in the constellation of Leo

IC 2759 is a small type E elliptical galaxy located in the constellation of Leo. It is located 350 million light-years away from the Solar System and was discovered on April 24, 1897, by Guillaume Bigourdan. Sometimes IC 2759 is confused with the spiral galaxy, PGC 34882 which is located south of the galaxy.

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<span class="mw-page-title-main">NGC 3978</span>

NGC 3978 is a large intermediate spiral galaxy with a bar located in the constellation of Ursa Major. It is located 460 million light-years away from the Solar System and was discovered by William Herschel on March 19, 1790, but also observed by John Herschel on April 14, 1831.

<span class="mw-page-title-main">NGC 7222</span> Large barred spiral galaxy with a ring structure

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<span class="mw-page-title-main">UGC 9684</span> Galaxy located in Boötes

UGC 9684 is a barred spiral galaxy with a ring structure in the Boötes constellation. It is located 250 million light-years from the Solar System and has an approximate diameter of 90,000 light-years.

<span class="mw-page-title-main">IC 1050</span>

IC 1050 is a type Sbc spiral galaxy located in constellation Boötes. It is located 491 million light-years from the Solar System and has an approximate diameter of 130,000 light-years. IC 1050 was discovered by Stephane Javelle on June 3, 1892.

<span class="mw-page-title-main">IC 4588</span>

IC 4588 is a type E elliptical galaxy located in the constellation Serpens. It is located 729 million light-years from the Solar System and has a dimension of 0.30 x 0.3 arcmin meaning its diameter is 64,000 light-years across. IC 4588 was discovered by Stephane Javelle on July 15, 1903.

References

  1. ↑ Astronomy, Go. "NGC 6261 | galaxy in Hercules | NGC List | GO ASTRONOMY". Go-Astronomy.com. Retrieved 2024-04-27.
  2. ↑ "NGC 6261 - Lenticular Galaxy in Hercules | TheSkyLive.com". theskylive.com. Retrieved 2024-04-27.
  3. ↑ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2024-04-27.
  4. ↑ "NGC 6261". simbad.u-strasbg.fr. Retrieved 2024-04-27.
  5. 1 2 "SN 2007hu | Transient Name Server". www.wis-tns.org. Retrieved 2024-04-27.
  6. ↑ "Bright Supernovae - 2007". www.rochesterastronomy.org. Retrieved 2024-04-27.
  7. 1 2 "SN 2008dt | Transient Name Server". www.wis-tns.org. Retrieved 2024-04-27.
  8. ↑ "SN 2008dt - Home". www.astrosurf.com. Retrieved 2024-04-27.
  9. ↑ Madison, D.; Li, W.; Filippenko, A. V. (2008-07-01). "Supernovae 2008dt and 2008du". Central Bureau Electronic Telegrams. 1423: 1. Bibcode:2008CBET.1423....1M.
  10. ↑ "Bright Supernovae - 2008". www.rochesterastronomy.org. Retrieved 2024-04-27.
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