NGC 87 is a diffuse, highly disorganized barred
irregular galaxy
An irregular galaxy is a galaxy that does not have a distinct regular shape, unlike a spiral or an elliptical galaxy. Irregular galaxies do not fall into any of the regular classes of the Hubble sequence, and they are often chaotic in appearance, ...
, part of
Robert's Quartet
Robert's Quartet is a compact galaxy group approximately 160 million light-years away in the constellation Phoenix. It is a family of four very different galaxies whose proximity to each other has caused the creation of about 200 star-forming ...
, a group of four
interacting galaxies
Interacting galaxies (''colliding galaxies'') are galaxies whose gravitational fields result in a disturbance of one another. An example of a minor interaction is a satellite galaxy disturbing the primary galaxy's spiral arms. An example of a ...
.
See also
*
Robert's Quartet
Robert's Quartet is a compact galaxy group approximately 160 million light-years away in the constellation Phoenix. It is a family of four very different galaxies whose proximity to each other has caused the creation of about 200 star-forming ...
References
External links
NGC 87http://www.astro.pef.zcu.cz/
*
{{DEFAULTSORT:NGC 0087
18340930
Barred irregular galaxies
194-8
0087
1357
Year 1357 ( MCCCLVII) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar.
Events
January–December
* February 3 – The Estates General in France meets and passes Étienne Marcel's G ...
Phoenix (constellation)
Robert's Quartet