NGC 1365

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NGC 1365
Phot-08a-99-hires.jpg
Credit:ESO
Observation data (J2000 epoch)
Constellation Fornax
Right ascension 03h 33m 36.4s[1]
Declination −36° 08′ 25″[1]
Redshift 1636 ± 1 km/s[1]
Distance 56.2 ± 2.6 Mly (17.2 ± 0.8 Mpc)[2]
Type (R')SBb(s)b[1]
Apparent dimensions (V) 11′.2 × 6′.2[1]
Apparent magnitude (V) 10.3[1]
Other designations
PGC 13179[1]
See also: Galaxy, List of galaxies

NGC 1365, also known as the Great Barred Spiral Galaxy,[3] is a barred spiral galaxy about 56 million light-years away in the constellation Fornax. The core is an oval shape with an apparent size of about 50″ × 40″.[4] The spiral arms extend in a wide curve north and south from the ends of the east-west bar and form an almost ring like Z-shaped halo.[4] The central mass in active galactic nucleus rotates close to relativistic limit (the dimensionless spin parameter is larger than 0.84).[5]

Supernovae 2012fr, 2001du, 1983V, and 1957C were observed in NGC 1365.

In February 2013, observations using the NuSTAR satellite have found out that the central supermassive black hole of NGC 1365, measured to be about 2 million solar masses in mass, is spinning at almost the speed of light.[6]

See also

References

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  5. - Unambiguous Determination of the Spin of the Black Hole in NGC 1365
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External links