NGC 1255 is a barred spiral galaxy approximately 69 million

light-year A light-year, alternatively spelled light year, is a large unit of length used to express astronomical distances and is equivalent to about 9.46 trillion kilometers (), or 5.88 trillion miles ().One trillion here is taken to be 1012 ...

s away from Earth in the

constellation A constellation is an area on the celestial sphere in which a group of visible stars forms Asterism (astronomy), a perceived pattern or outline, typically representing an animal, mythological subject, or inanimate object. The origins of the e ...

of Fornax.

Observational history

NGC 1255 was discovered by American astronomer

Edward Emerson Barnard Edward Emerson Barnard (December 16, 1857 – February 6, 1923) was an American astronomer. He was commonly known as E. E. Barnard, and was recognized as a gifted observational astronomer. He is best known for his discovery of the high proper mo ...

on August 30, 1883 with the 6-inch

refractor A refracting telescope (also called a refractor) is a type of optical telescope that uses a lens (optics), lens as its objective (optics), objective to form an image (also referred to a dioptrics, dioptric telescope). The refracting telescope d ...

Vanderbilt University Vanderbilt University (informally Vandy or VU) is a private research university in Nashville, Tennessee. Founded in 1873, it was named in honor of shipping and rail magnate Cornelius Vanderbilt, who provided the school its initial $1-million ...

. 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'". American astronomer

Ormond Stone Ormond Stone (January 11, 1847 – January 17, 1933), was an American astronomer, mathematician and educator. He was the director of Cincinnati Observatory and subsequently the first director of the McCormick Observatory at the University ...

made an independent discovery in 1886 with the 26" refractor at

Leander McCormick Observatory The Leander McCormick Observatory is one of the astronomical observatories operated by the Department of Astronomy of the University of Virginia, and is situated just outside Charlottesville, Virginia (US) in Albemarle County on the summit of Mo ...

, recording "4.1'x2.0', PA 315°".

Supernovae

Supernova A supernova is a powerful and luminous explosion of a star. It has the plural form supernovae or supernovas, and is abbreviated SN or SNe. This transient astronomical event occurs during the last evolutionary stages of a massive star or when ...

SN 1980O of magnitude 17.0 was detected in NGC 1255 on October 30, 1980. It was discovered by German astronomer

Hans-Emil Schuster Hans-Emil Schuster (born September 19, 1934 in Hamburg) is a German astronomer and a discoverer of minor planets and comets, who retired in October 1991. He worked at Hamburg Observatory at Bergedorf and European Southern Observatory (ESO), and ...

with the 1.0-m Schmidt telescope. 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). By December 30, 1980 the supernova had faded by about 4 magnitudes and showed strong P-Cyg-type profiles. A second supernova, SN 2022ame (type II, mag. 17.3), was discovered on 27 January, 2022.Transient Name Server entry for SN 2022ame.
Retrieved 24 March 2023.

References

External links

* {{DEFAULTSORT:NGC 1255 Barred spiral galaxies Fornax

1255 Year 1255 ( MCCLV) was a common year starting on Friday (link will display the full calendar) of the Julian calendar. Events By place Europe * February 25 – Battle of Montebruno: Guelph forces under Thomas II of Savoy invade ...

12007 Astronomical objects discovered in 1883 Discoveries by Edward Emerson Barnard

Observational history

Supernovae

See also

References

External links