Galaxies on diet: feedback signatures in radio-AGN host galaxies

Karouzos, Marios; Im, Myungshin; Trichas, Markos; Goto, Tomogotsu; Malkan, Matthew; Ruiz, Angel; Jeon, Yiseul; Kim, Ji Hoon; Lee, Hyung Mok; Kim, Seong Jin; Oi, Nagisa; Matsuhara, Hideo; Takagi, Toshinobu; Murata, Kazumi; Wada, Takehiko; Wada, Kensuke; Shim, Hyunjin; Hanami, Hitoshi; Serjeant, Stephen; White, Glenn; Pearson, Chris and Ohyama, Youichi (2017). Galaxies on diet: feedback signatures in radio-AGN host galaxies. Publications of The Korean Astronomical Society, 32(1) pp. 201–203.



There exists strong evidence supporting the co-evolution of central supermassive black holes and their host galaxies; however it is still under debate how such a relation comes about and whether it is relevant for all or only a subset of galaxies. An important mechanism connecting AGN to their host galaxies is AGN feedback, potentially heating up or even expelling gas from galaxies. AGN feedback may hence be responsible for the eventual quenching of star formation and halting of galaxy growth. A rich multi-wavelength dataset ranging from the X-ray regime (Chandra), to far-IR (Herschel), and radio (WSRT) is available for the North Ecliptic Pole field, most notably surveyed by the AKARI infrared space telescope, covering a total area on the sky of 5.4 sq. degrees. We investigate the star formation properties and possible signatures of radio feedback mechanisms in the host galaxies of 237 radio sources below redshift z

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