NGC 7212 A Major Train Wreck in Progress

Rick,

you captured a lot of details in these tiny galaxies. Amazing we can see
them colliding at that distance.

Stefan


"WA0CKY" schrieb im Newsbeitrag ...


NGC 7212 is a train wreck of galaxies under the neck of Pegasus. It
consists of three galaxies which most sources say are interacting. I'll
agree two certainly are but the third may be but it is little distorted
and has no redshift value I could find so I can't place it in the
vicinity of the other two. The only thing going for it that I can see
is it has an odd dust lane south of its core that appear to cut the
southern part of the galaxy off as if a galactic chainsaw cut it off.
The two galaxies with known redshift are about 350 million light-years
from us.

The two obviously interacting galaxies have a mash-up of tidal plumes.
They are both heavily distorted by the interaction. The northern small
galaxy has a dust lane at an angle to its plane. NED doesn't try to
classify any of the galaxies but does show the main one as a Seyfert 2
galaxy. The NGC Project lists the main one as Sb while Seligman says
Sb?. I find it odd no one gives it the pec label. The galaxy was
discovered by Lewis Swift on October 2, 1886.

To the south of NGC 7212 is what appears to be a pair of galaxies. They
may just be in the same line of sight or interacting. It's hard to
tell. NED just identifies the pair with one entry as a Ultraviolet
Source with no further information.

Near the bottom of the image right of center is a short asteroid trail
left by (84094) 2002-QB47 at magnitude 17.4. With nothing else with any
useful information I didn't prepare an annotated image.

A raw HST image of this train wreck can be found at
https://commons.wikimedia.org/wiki/F..._05479_606.png

14" LX200R @ f/10, L=4x10' RGB=2x10', STL-11000XM, Paramount ME

Rick


--
WA0CKY