NGC 3003 is a nearly edge-on
barred spiral galaxy
A barred spiral galaxy is a spiral galaxy with a central bar-shaped structure composed of stars. Bars are found in about two thirds of all spiral galaxies in the local universe, and generally affect both the motions of stars and interstellar gas ...
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 first constellati ...
of
Leo Minor, discovered by William Herschel on December 7, 1785.
It has an apparent
visual magnitude
Apparent magnitude () is a measure of the brightness of a star, astronomical object or other celestial objects like artificial satellites. Its value depends on its intrinsic luminosity, its distance, and any extinction of the object's light ca ...
of 11.78,
[ at a distance of 19.5 Mpc from the ]Sun
The Sun is the star at the centre of the Solar System. It is a massive, nearly perfect sphere of hot plasma, heated to incandescence by nuclear fusion reactions in its core, radiating the energy from its surface mainly as visible light a ...
.[ It has a recessional velocity of 1474 km/s.][
]
Supernova
One supernova
A supernova (: supernovae or supernovas) is a powerful and luminous explosion of a star. A supernova occurs during the last stellar evolution, evolutionary stages of a massive star, or when a white dwarf is triggered into runaway nuclear fusion ...
has been observed in NGC 3003: SN 1961F ( typeII, mag. 13.1) was discovered by Paul Wild on 21 February 1961.
References
External links
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Astronomical objects discovered in 1785
Discoveries by William Herschel
Galaxies discovered in 1785
3003
Barred spiral galaxies
Leo Minor
028186
{{Spiral-galaxy-stub