NGC 3949
Encyclopedia
NGC 3949 is an unbarred spiral galaxy
in the constellation
Ursa Major. It is believed to be approximately 50 million light-years away from the earth
.
SN 2000db is the only supernova that has been observed within NGC 3949.
Ursa Major that may contain over 50 galaxies. The brightest galaxy in the group is the spiral galaxy
M109
.
Spiral galaxy
A spiral galaxy is a certain kind of galaxy originally described by Edwin Hubble in his 1936 work The Realm of the Nebulae and, as such, forms part of the Hubble sequence. Spiral galaxies consist of a flat, rotating disk containing stars, gas and dust, and a central concentration of stars known as...
in the constellation
Constellation
In modern astronomy, a constellation is an internationally defined area of the celestial sphere. These areas are grouped around asterisms, patterns formed by prominent stars within apparent proximity to one another on Earth's night sky....
Ursa Major. It is believed to be approximately 50 million light-years away from the earth
Earth
Earth is the third planet from the Sun, and the densest and fifth-largest of the eight planets in the Solar System. It is also the largest of the Solar System's four terrestrial planets...
.
Supernova
The type II supernovaSupernova
A supernova is a stellar explosion that is more energetic than a nova. It is pronounced with the plural supernovae or supernovas. Supernovae are extremely luminous and cause a burst of radiation that often briefly outshines an entire galaxy, before fading from view over several weeks or months...
SN 2000db is the only supernova that has been observed within NGC 3949.
Environment
NGC 3949 is a member of the M109 Group, a group of galaxies located in the constellationConstellation
In modern astronomy, a constellation is an internationally defined area of the celestial sphere. These areas are grouped around asterisms, patterns formed by prominent stars within apparent proximity to one another on Earth's night sky....
Ursa Major that may contain over 50 galaxies. The brightest galaxy in the group is the spiral galaxy
Spiral galaxy
A spiral galaxy is a certain kind of galaxy originally described by Edwin Hubble in his 1936 work The Realm of the Nebulae and, as such, forms part of the Hubble sequence. Spiral galaxies consist of a flat, rotating disk containing stars, gas and dust, and a central concentration of stars known as...
M109
Messier 109
Messier 109 is a barred spiral galaxy approximately away in the constellation Ursa Major. M109 can be seen southeast of the star Phecda .-History:Messier 109 was discovered by Pierre Méchain in 1781...
.