NGC 3443 is a
spiral galaxy
Spiral galaxies form a class of galaxy originally described by Edwin Hubble in his 1936 work ''The Realm of the Nebulae''[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
Leo
Leo or Léo may refer to:
Acronyms
* Law enforcement officer
* Law enforcement organisation
* ''Louisville Eccentric Observer'', a free weekly newspaper in Louisville, Kentucky
* Michigan Department of Labor and Economic Opportunity
Arts an ...
. Its velocity with respect to the
cosmic microwave background is 1468 ± 24 km/s, which corresponds to a
Hubble distance of 21.66 ± 1.56
Mpc MPC, Mpc or mpc may refer to:
Astronomy
* Megaparsec (Mpc), unit of length used in astronomy
* Minor Planet Center, Smithsonian Astrophysical Observatory
** ''Minor Planet Circulars'' (MPC, M.P.C. or MPCs), astronomical publication from the Minor ...
(∼70.6 million
light-years).
It was discovered by American astronomer
Lewis Swift on April 24, 1887.
One
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 ...
has been observed in NGC 3443: SN 2024ehs (
type II, mag. 18.1).
NGC 3370 Group
According to A.M. Garcia, the galaxy NGC 3443 is a member of the NGC 3370 group (also known as
LGG 219) that includes
NGC 3370,
NGC 3454
NGC commonly refers to:
* New General Catalogue of Nebulae and Clusters of Stars, a catalogue of deep sky objects in astronomy
NGC may also refer to:
Companies
* NGC Corporation, name of US electric company Dynegy, Inc. from 1995 to 1998
* Nat ...
,
NGC 3455
NGC 3455 is an intermediate spiral galaxy located 65 million light-years away in the constellation of Leo. It is a member of the NGC 3370 Group of galaxies, which is a member of the Leo II Groups, a series of galaxies and galaxy clusters stru ...
, and UGC 5945.
See also
*
List of NGC objects (3001–4000)
This is a list of NGC objects 3001–4000 from the New General Catalogue (NGC). The astronomical catalogue is composed mainly of star clusters, nebulae, and galaxies. Other objects in the catalogue can be found in the other subpages of the list ...
References
External links
*
{{Ngc35
3443
032671
06000
Leo_(constellation)
Astronomical objects discovered in 1887
Discoveries by Lewis Swift
+03-28-025
Spiral galaxies