Zobrazeno 1 - 10
of 87
pro vyhledávání: '"Grimmett, L."'
Autor:
Pierce, J. C. S., Tadhunter, C., Almeida, C. Ramos, Bessiere, P., Heaton, J. V., Ellison, S. L., Speranza, G., Gordon, Y., O'Dea, C., Grimmett, L., Makrygianni, L.
The triggering mechanism for the most luminous, quasar-like active galactic nuclei (AGN) remains a source of debate, with some studies favouring triggering via galaxy mergers, but others finding little evidence to support this mechanism. Here, we pre
Externí odkaz:
http://arxiv.org/abs/2303.15506
Autor:
Pierce, J. C. S., Tadhunter, C. N., Gordon, Y., Almeida, C. Ramos, Ellison, S. L., O'Dea, C., Grimmett, L., Makrygianni, L., Bessiere, P. S., Girón, P. Doña
Investigation of the triggering mechanisms of radio AGN is important for improving our general understanding of galaxy evolution. In the first paper in this series, detailed morphological analysis of high-excitation radio galaxies (HERGs) with interm
Externí odkaz:
http://arxiv.org/abs/2111.03075
Autor:
Bernhard, E., Tadhunter, C., Mullaney, J. R., Grimmett, L. P., Rosario, D. J., Alexander, D. M.
Measuring the star-forming properties of AGN hosts is key to our understanding of galaxy formation and evolution. However, this topic remains debated, partly due to the difficulties in separating the infrared (i.e. 1--1000 $\mu$m) emission into AGN a
Externí odkaz:
http://arxiv.org/abs/2102.05663
Autor:
Delvecchio, I., Daddi, E., Aird, J., Mullaney, J. R., Bernhard, E., Grimmett, L. P., Carraro, R., Cimatti, A., Zamorani, G., Caplar, N., Vito, F., Elbaz, D., Rodighiero, G.
We present a new modeling of the X-ray luminosity function (XLF) of Active Galactic Nuclei (AGN) out to z$\sim$3, dissecting the contribution of main-sequence (MS) and starburst (SB) galaxies. For each galaxy population, we convolved the observed gal
Externí odkaz:
http://arxiv.org/abs/2002.08965
Autor:
Grimmett, L. P., Mullaney, J. R., Bernhard, E. P., Harrison, C. M., Alexander, D. M., Stanley, F., Masoura, V. A., Walters, K.
Studies investigating the relationship between AGN power and the star formation rates (SFRs) of their host galaxies often rely on averaging techniques -- such as stacking -- to incorporate information from non-detections. However, averages, and espec
Externí odkaz:
http://arxiv.org/abs/2001.11573
Autor:
Delvecchio, I., Daddi, E., Shankar, F., Mullaney, J. R., Zamorani, G., Aird, J., Bernhard, E., Cimatti, A., Elbaz, D., Giavalisco, M., Grimmett, L. P.
Supermassive black holes (SMBHs) are tightly correlated with their hosts but the origin of such connection remains elusive. To explore the cosmic build-up of this scaling relation, we present an empirically-motivated model that tracks galaxy and SMBH
Externí odkaz:
http://arxiv.org/abs/1910.08114
We infer and compare the specific X-ray luminosity distributions for a sample of massive (i.e. $\log_{10} (M*/M\odot) > 10.5$) galaxies split according to their far-infrared-derived star-forming properties (i.e., starburst and non-starburst) and reds
Externí odkaz:
http://arxiv.org/abs/1904.08406
We explore the distribution of RMS=SFR/SFR_MS (where SFR_MS is the star formation rate of "Main Sequence" star-forming galaxies) for AGN hosts at z=1. We split our sample into two bins of X-ray luminosity divided at Lx=2x10^43erg s-1 to investigate w
Externí odkaz:
http://arxiv.org/abs/1811.05980
Autor:
Bernhard, E., Mullaney, J. R., Aird, J., Hickox, R. C., Jones, M. L., Stanley, F., Grimmett, L. P., Daddi, E.
The lack of a strong correlation between AGN X-ray luminosity ($L_X$; a proxy for AGN power) and the star formation rate (SFR) of their host galaxies has recently been attributed to stochastic AGN variability. Studies using population synthesis model
Externí odkaz:
http://arxiv.org/abs/1801.07717
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