... projected distance between the two galaxies is only 20 , or 50 kpc; it is comparable to the distance between our Galaxy and the LMC, and considering the existence of the Magellanic Stream, we would expect tidal interaction between NGC 3623 and NGC 3627 ...
... This is a rather puzzling observational phenomenon common for some types of irregular galaxies (e.g. the LMC), and it is usually treated as evidence for a bursty character of the star formation (Gilmore & Wyse 1991, Marconi et al. ...