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The Type II AGN-host galaxy connection: insights from the VVDS and VIPERS surveys
G. Vietri, B. Garilli, M. Polletta +16
We present a study of optically-selected Type II AGN at 0.5 < z < 0.9 from the VIPERS and VVDS surveys, to investigate the connection between AGN activity and physical properties o…
Environmental Effects on AGN activity via Extinction-free Mid-Infrared Census
Daryl Joe D. Santos, Tomotsugu Goto, Seong Jin Kim +20
How does the environment affect active galactic nucleus (AGN) activity? We investigated this question in an extinction-free way, by selecting 1120 infrared galaxies in the …
Predicting the redshift of gamma-ray loud AGNs using supervised machine learning
Maria Giovanna Dainotti, Malgorzata Bogdan, Aditya Narendra +8
AGNs are very powerful galaxies characterized by extremely bright emissions coming out from their central massive black holes. Knowing the redshifts of AGNs provides us with an opp…
Optically-detected galaxy cluster candidates in the North Ecliptic Pole field based on photometric redshift from Subaru Hyper Suprime-Cam
T. -C. Huang, H. Matsuhara, T. Goto +23
Galaxy clusters provide an excellent probe in various research fields in astrophysics and cosmology. However, the number of galaxy clusters detected so far in the North Ecl…
Getting ready for the LSST data -- estimating the physical properties of main sequence galaxies
Gabriele Riccio, Katarzyna Małek, Ambra Nanni +8
In this work we study how to employ the upcoming Legacy Survey of Space and Time (LSST) data to constrain physical properties of normal, star forming galaxies. We use simulated LSS…
Viewing angle observations and effects of evolution with redshift, black hole mass, and Eddington ratio in quasar based cosmology
Raj Prince, Krzysztof Hryniewicz, Swayamtrupta Panda +2
This study is focused on the observational measurement of the viewing angle of individual quasars by modeling the broadband quasar spectrum ranging from the infra-red (IR) to the s…