Abstract Details
| Name: TAPAN KUMAR SASMAL Affiliation: Sidhi-Kanho-Birsha University Conference ID: ASI2018_1775 Title : Tailed Radio Galaxies from FIRST survey Authors and Co-Authors : Sabyasachi Pal (ICSP), Soumen Bera (SKBU), Sushanta K. Mondal (SKBU) Abstract Type : Poster Abstract Category : Extragalactic astronomy Abstract : Abstracts: Tailed radio galaxies are classified according to luminosity and the angle between the radio tails. The narrow-angle tail (NAT) radio sources are featured by tails bent in a narrow `V' like shape. The jet bending in case of Wide-angle tail (WAT) radio galaxies are such that, the WATs exhibit wide `C' like morphologies. The relative motion of the host galaxies through inter cluster medium or strong inter cluster wind is believed to cause the bending of the radio jets. Tailed radio galaxies are generally found in rich cluster of galaxies. It is seen that NAT galaxies reside towards the edge whether WAT galaxies are located towards the center of the cluster. It is also found that the relative velocity of the NAT galaxies is greater than that of the WAT galaxies. We are looking for NAT and WAT galaxies from the high resolution FIRST survey at 1400 MHz. We have identified more than hundred new WAT and NAT radio galaxies from our study. Here we will report physical properties of these newly discovered tailed radio galaxies. We will also study various statistical properties of newly discovered galaxies as our findings made the number of known tailed radio galaxies to be more than double of previously known. |