编辑“︁NGC 55”︁（章节）

== 附近星系和星系群資訊 ==
NGC 55和[[螺旋星系]][[NGC 300]]傳統上被認定為[[玉夫座星系群]]的成員，這是同名星座中附近的[[星系群]]。然而，最近的距離量測表明，這兩個星系實際上只是前景星系<ref name="karachentsevetal2003">
{{cite journal
  | author=I. D. Karachentsev
  | display-authors=etal
  | title=Distances to nearby galaxies in Sculptor
  | journal=[[Astronomy and Astrophysics]]
  | date=2003
  | volume=404  | issue=1  | pages=93–111
  | bibcode=2003A&A...404...93K
  | doi=10.1051/0004-6361:20030170
|arxiv = astro-ph/0302045 | s2cid=54977869
 }}</ref>。

NGC 55和NGC 300很可能形成一對引力束縛對<ref name = "vandesteeneetal2006">
{{Cite journal
  | last1 = van de Steene  | first1 = G. C.
  |display-authors=etal
   | title = Distance determination to NGC 55 from the planetary nebula luminosity function
  | journal = [[Astronomy and Astrophysics]]
  | date = 2006
  | volume = 455  | issue = 3  | pages = 891–896
  | bibcode = 2006A&A...455..891V
  | doi = 10.1051/0004-6361:20053475
| doi-access = free
  }}</ref>。