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The Perseus galaxy cluster is the brightest cluster in the sky when observed in the X-ray band. [3] The cluster contains the radio source 3C 84 that is currently blowing bubbles of relativistic plasma into the core of the cluster. These are seen as holes in an X-ray image of the cluster, as they push away the X-ray emitting gas.
1H 0323+342 known as 2MASX J032441.19+341045.9, is a galaxy located in the constellation of Perseus. It is located 831 million light years from Earth. [1] It is classified a gamma-ray emitting narrow-line Seyfert galaxy, [2] [3] the nearest known example of this subtype. [4] [5]
NGC 1265 is a Fanaroff and Riley class 1 radio galaxy located in the constellation Perseus, a member of the Perseus Cluster. [3]
NGC 1275 (also known as Perseus A or Caldwell 24) is a type 1.5 Seyfert galaxy [3] located around 237 million light-years away [2] in the direction of the constellation Perseus. NGC 1275 is a member of the large Perseus Cluster of galaxies.
NRAO 140 is a quasar [1] located in the constellation of Perseus, noted for its low frequency variability. [2] It has a redshift of (z) 1.258, [3] [4] first discovered in 1973 by Duncan Agnew and Halton Arp as an astronomical radio source, whom they catalogued it as 4C 32.14. [5]
NGC 1272 is a massive [2] elliptical galaxy [3] located about 230 million light-years away [4] in the constellation Perseus. [5] It was discovered by astronomer Heinrich d'Arrest on February 14, 1863. [6] NGC 1272 has an active nucleus and is the second brightest [2] member of the Perseus Cluster [7] [6] after NGC 1275. [2]
IC 310 is classified as a head-tail radio galaxy [3] or specifically a narrow-angle tail radio galaxy described by Sijbring et at. 1998 and Feretti et at. 1998. [4] [5] IC 310 has an active nucleus (AGN) and seems to represent a low-luminosity FRI radio galaxy at the borderline angle which reveals its BL Lac-type central engine.
NGC 1163 is a barred spiral galaxy located in the constellation Perseus. It is situated approximately 205 million light-years away from Earth and has an apparent magnitude of 13.5. It is situated approximately 205 million light-years away from Earth and has an apparent magnitude of 13.5.