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NGC 1275, 


            Steven Marx

NGC 1275

Technical card

Imaging cameras:Hubble (HLA Data)


Dates:July 29, 2006

Frames: 36x819" bin 0x0

Integration: 8.2 hours

Avg. Moon age: 3.92 days

Avg. Moon phase: 16.40%

Basic astrometry details job: 109262

Resolution: 5148x3904


NGC 1275 - Raw fits data obtained from Hubble Legacy Archive.

NGC 1275 (also known as Perseus A or Caldwell 24) is a type 1.5 Seyfert galaxy located around 237 million light-years away in the direction of the constellation Perseus. NGC 1275 corresponds to the radio galaxy Perseus A and is situated near the centre of the large Perseus Cluster of galaxies. NGC 1275 consists of two galaxies, a central type-cD galaxy in the Perseus Cluster, and a so-called "high velocity system" (HVS) which lies in front of it. The HVS is moving at 3000 km/s towards the dominant system, and is believed to be merging with the Perseus Cluster. The HVS is not affecting the cD galaxy as it lies at least 200 thousand light years from it.The central cluster galaxy contains a massive network of spectral line emitting filaments, which appear to be being dragged out by rising bubbles of relativistic plasma generated by the central active galactic nucleus. Long gaseous filaments made up of threads of gas stretch out beyond the galaxy, into the multimillion-degree, X-ray–emitting gas that fills the cluster. The amount of gas contained in a typical thread is approximately one million times the mass of our own Sun. They are only 200 light-years wide, are often very straight, and extend for up to 20,000 light-years



Steven Marx
License: None (All rights reserved)


NGC 1275, 


            Steven Marx