Galaxy in the constellation Canes Venatici
4C +41.26 known asPGC 2174167 , is a massiveelliptical galaxy oftype E [ 1] located in the constellation ofCanes Venatici . Itsredshift is 0.228324, estimating the galaxy to be located 3 billionlight years away fromEarth .[ 2] It is thebrightest cluster galaxy of Abell 1763 (ACO 1763).[ 3] [ 4]
4C +41.26 is one of thelargest galaxies . Spanning at least 862,300 light-years across indiameter , it is classified as aType-cD galaxy .[ 5] Not to mention, the galaxy has a high line-of-sight peculiarvelocity reaching up to vpec ~ 650 km s−1 . It has anactive galactic nucleus , containing a powerful P1.4 ~ 1026 WHz −1 bended double-lobedradio source , suggesting 4C +41.26 is likely shaped through its relative bulkintracluster medium (ICM) flow caused by one or severalgalaxy mergers .[ 6] [ 7] The galaxy is estimated to have spanM K = −25.7 to −27.8 mag , with the cluster halomasses ofM 500 up to 1.7× 1015 M ☉ .[ 8]
4C +41.26 is part of the richgalaxy cluster [ 9] with at least 181 identified galaxy members, fitted through the integratedspectral energy distributions (SEDs)[ 10] utilized with a set of templates built with GRASIL 3d model,[ 11] byastronomers .[ 12] The members in the cluster consists of elliptical,spiral ,starburst , and poststarburst galaxies.[ 13] It is suggested according toobservations fromSpitzler MIPS Data, researchers have found traces of increasedstarburst activity infilament galaxies inside ACO 1763.[ 9]
The cluster hosts twogalaxy filaments which stretches towards another neighboring galaxy cluster, Abell 1770 (ACO 1770) located ~ 13 Mpc away. Theintracluster gas of ACO 1770 is elongated in the same direction, as indicated by itsX-ray morphology. As the cluster is fed by the filaments, it causes 4C +41.26 to be displaced from its original location from center of the cluster (0.1 Mpc off the X-ray peak emission) by the subcluster-clustercollisions andpressure of the intracluster gas. This results the galaxy falling towards Abell 1770.[ 14]
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