NGC 3558 is an

elliptical Elliptical may mean: * having the shape of an ellipse, or more broadly, any oval shape ** in botany, having an elliptic leaf shape ** of aircraft wings, having an elliptical planform * characterised by ellipsis (the omission of words), or by conc ...

or a lenticular galaxy located 440 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 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 ...

Ursa Major. It was discovered by the astronomer

Heinrich d'Arrest Heinrich Louis d'Arrest (13 August 1822 – 14 June 1875; ) was a Germans, German astronomer, born in Berlin. His name is sometimes given as Heinrich Ludwig d'Arrest. Biography While still a student at the Humboldt University of Berli ...

on April 15, 1866. It is a member of the galaxy cluster

Abell 1185 Abell 1185 is a galaxy cluster located in the constellation Ursa Major. It is approximately 400 million light-years away from Earth and spans one million light-years across. It is a member of the Leo Supercluster. One of its brightest galaxies ...

-
- and is classified as a

LINER A low-ionization nuclear emission-line region (LINER) is a type of galactic nucleus that is defined by its spectral line emission. The spectra typically include line emission from weakly ionized or neutral atoms, such as O, O+, N+, and S+. ...

galaxy.

References

External links

* 3558 33960 Ursa Major Astronomical objects discovered in 1866 Lenticular galaxies LINER galaxies Elliptical galaxies Abell 1185 Discoveries by Heinrich Louis d'Arrest Markarian galaxies {{lenticular-galaxy-stub

See also

References

External links