NGC 1255

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NGC 1255
NGC1255-hst.png
NGC 1255 (NASA/ESA HST)
Observation data (J2000.0 epoch)
Constellation Fornax
Right ascension 03h 13m 32.04s [1]
Declination −25° 43′ 30.60″ [1]
Redshift 0.005624 [1]
Helio radial velocity 1686 ± 3 km/s [1]
Distance 69 Mly [1]
Apparent magnitude  (V)10.7 [2]
Apparent magnitude  (B)11.5 [2]
Characteristics
Type SBbc [2]
Apparent size  (V)4.2 x 2.6 [1]
Other designations
PGC 12007, MCG -4-8-50, ESO 481-13

NGC 1255 is a barred spiral galaxy approximately 69 million light-years away from Earth in the constellation of Fornax. [1]

Contents

Observational history

NGC 1255 (DSS) NGC 1255 DSS.jpg
NGC 1255 (DSS)

NGC 1255 was discovered by American astronomer Edward Emerson Barnard on August 30, 1883 with the 6-inch refractor at Vanderbilt University. [3] [4] He described it as a "faint nebula, not large, pretty even in light. A faint star close p and slightly south probably involved. Star is s and f the nebula by about 30'". [3] American astronomer Ormond Stone made an independent discovery in 1886 with the 26" refractor at Leander McCormick Observatory, recording "4.1'x2.0', PA 315°". [3] [4]

Supernovae

Supernova SN 1980O of magnitude 17.0 was detected in NGC 1255 on October 30, 1980. [5] [6] [1] It was discovered by German astronomer Hans-Emil Schuster with the 1.0-m Schmidt telescope. [5] [6] The supernova was classified as type II, and it was located at the following coordinates: RA 03h 13m 27s, Dec -25° 44.50′ (J2000 epoch). [1] By December 30, 1980 the supernova had faded by about 4 magnitudes and showed strong P-Cyg-type profiles. [5]

A second supernova, SN 2022ame (type II, mag. 17.3), was discovered on 27 January, 2022. [7]

See also

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References

  1. 1 2 3 4 5 6 7 8 9 "NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved December 16, 2017.
  2. 1 2 3 "Revised NGC Data for NGC 1255". spider.seds.org. Retrieved December 16, 2017.
  3. 1 2 3 "Data for NGC 1255". www.astronomy-mall.com. Retrieved December 9, 2017.
  4. 1 2 "New General Catalog Objects: NGC 1500 - 1549". cseligman.com. Retrieved December 16, 2017.
  5. 1 2 3 "Central Bureau for Astronomical Telegrams". www.cbat.eps.harvard.edu. Retrieved December 9, 2017.
  6. 1 2 "List of Supernovae". www.cfa.harvard.edu. Retrieved December 9, 2017.
  7. ↑ Transient Name Server entry for SN 2022ame. Retrieved 24 March 2023.

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