NGC 7253 is a pair of spiral galaxies in the constellation Pegasus. It was discovered by the German-British astronomer Albert Marth on 9 September 1863. [2] . It is listed in Halton Arp's Atlas of Peculiar Galaxies as Arp 278, as an example of gravitationally interacting galaxies. [3]

Halton Arp divided his «Atlas of Peculiar Galaxies», published in 1966, into groups based on purely morphological criteria. The pair of galaxies here received the designation Arp 278 (APG 278) as a pair of interacting galaxies. Physical Properties

2002年12月10日 · There is a compact radio source in the core of NGC 7253A, and a faint, diffuse radio source coincides with NGC 7253B. This pair is included in Arp’s catalog of unusual galaxies as ARP 278. Arp noted about this group: "Diffuse material between galaxies, many internal absorption lanes......"

NGC 7253 is a pair of interacting galaxies located about 5 degrees west of η Pegasi in the northwestern part of the constellation. The northern and southern galaxies are designated NGC7253A and NGC7253B, respectively, and they are also listed as Arp 278 in the Atlas of Peculiar Galaxies.

2023年9月17日 · Arp 278 or NGC 7253 in Pegasus is an interesting pair of colliding galaxies, about about 210 millions l.y. away. The aesthetic face-on spiral galaxy PGC 68543 nearby seems also to interact with a small companion. These objets are rather small but fortunaly seeing was decent last Thursday over Paris (FWHM 1.9" on the luminance stack).

The object Arp 278, visible in Pegasus, is made up of two colliding spiral galaxies: NGC 7253 A and B. The galaxies were discovered by the German astronomer Albert Marth in 1863. They are located 238 million light years from Earth. The interaction has transformed them into “starburst galaxies,” with bright knots of star formation inside.

2018年3月1日 · Arp 278 consists of NGC 7253 (7253A, UGC 11984, VV 242[a] and others, the galaxy at the top left and NGC 7253B (UGC 11985, VV242b and others), the galaxy it is interacting with below. These are part of Arp’s ‘Interacting Double Galaxies’ class and located approximately 185 – 194 million light-years away in Pegasus.

This is Arp 278 or NGC 7253, a pair of interacting galaxies. They are about 200 million light-years from us. NED, my distance source seems to have a problem here. It lists the distance to each individual one as about 191 to 194 million light years. So take your pick.

2008年11月2日 · Since I'm on an Arp kick here's another pair of colliding galaxies. In this case they only side swiped each other so no ring was formed. This is Arp 278 or NGC 7253. It is about 185 million light years from us. NED, my distance source seems to have a problem here.

Arp 278 is in the Interacting Double Galaxies class. Dr. Arp's Atlas note says "diffuse material between galaxies, many internal absorption lanes". The N galaxy is the designated A and the S is B. The classic little spiral near the SW corner is UGC 11981