NGC 3504 [SEP] constellation
NGC 3504
NGC 3504 is a barred spiral galaxy in the constellation Leo Minor.
There is a large amount of molecular gas centered on the galactic nuculeus. Compared with other barred spiral galaxies, NGC 3504 is in an early phase of its evolution.
The mass of NGC 3504 has been difficult to narrow down, but it is believed to be between 2.5*10 M⊙ and 9*10 M⊙.
is estimated to be between based on kinematics of the water maser circumnuclear disk. The disk appears warped.
Nearby galaxies.
NGC 2273 is the brightest galaxy in a galaxy group known as the NGC 2273 group. Other members of the group include the galaxies NGC 2237B and UGC 3504. NGC 2237B lies 40 arcminutes to the south.
See also.
- NGC 1386 - a similar Seyfert galaxy
- NGC 3081 - a similar multiring Seyfert galaxy