'Agn fraction' presentation slideshows

Agn fraction - PowerPoint PPT Presentation

From ULIRGs to QSOs

From ULIRGs to QSOs

From ULIRGs to QSOs. XiaoYang, Xia Center for Astrophysics Tianjin Normal University Collaborators: H. Wu, Deng, Zou, Z. Zheng, Mao, X.Z. Zheng, Hao, Huo, Y. Gao, Wang,J.L, Tan. Outline. The morphology and environment of ULIRGs and LIRGs May give hint for high-z SMGs

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1.37k views • 118 slides
Active galactic nuclei in low surface brightness galaxies

Active galactic nuclei in low surface brightness galaxies

Active galactic nuclei in low surface brightness galaxies. Weimin Yuan Yunnan Observatory. Based on Master thesis work of Lin Mei In collaboration with X.B. Dong (USTC). astro-ph/0902.0862. Questions to address. What is the fraction of LSBG that host an AGN?

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432 views • 29 slides
2MASS Selected AGN with 6dF

2MASS Selected AGN with 6dF

2MASS Selected AGN with 6dF. Paul Francis (ANU) Roc Cutri, Brant Nelson (IPAC/CALTECH). The Reddest 2MASS Sources. A good way to find AGN?. Ridiculously simple selection: J-K>2, from 2MASS. Greater than 60% efficiency in finding AGN - as good as UVX.

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348 views • 22 slides
Coevolution of black holes and galaxies at high redshift

Coevolution of black holes and galaxies at high redshift

Coevolution of black holes and galaxies at high redshift. David M Alexander (Durham). Some key issues in observational cosmology. The growth of black holes. The black-hole-host connection. M bh /M sph ~10 -3. The role of environment?. Black Hole. Action: AGN activity. Accretion Disk.

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378 views • 19 slides
AGN Demographics

AGN Demographics

AGN Demographics. Christine Black 3/1/12. http://www.redorbit.com/news/space/1018193/satellites_unveil_new_type_of_active_galaxy/. Major Points. What is a demographical study? Very brief overview of AGNs Galaxy evolution roadmap Studies of AGN in the local universe Studies from 0 < z < 1

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271 views • 15 slides
Robust identification of distant Compton-thick AGNs

Robust identification of distant Compton-thick AGNs

1Ms simulated XEUS spectrum. Optical AGN. Robust identification of distant Compton-thick AGNs. IR AGN. Alexander et al. (2008). Need for deep optical-mid-IR spectroscopy: multiple lines of evidence for intrinsic AGN luminosity can make a case for distant Compton-thick absorption. X-rays.

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340 views • 15 slides
The AGN Butcher-Oemler Effect

The AGN Butcher-Oemler Effect

The AGN Butcher-Oemler Effect. Paul Martini The Ohio State University. Collaborators. John Mulchaey (Carnegie) Dan Kelson (Carnegie) Jason Eastman (Ohio State) Greg Sivakoff (Ohio State) Kim-Vy Tran (Leiden). Motivations. AGN feedback on galaxy clusters and cluster galaxies

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267 views • 15 slides
AGN Demographics

AGN Demographics

AGN Demographics. Christine Black 3/1/12. http://www.redorbit.com/news/space/1018193/satellites_unveil_new_type_of_active_galaxy/. Major Points. What is a demographical study? Very brief overview of AGNs Galaxy evolution roadmap Studies of AGN in the local universe Studies from 0 < z < 1

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154 views • 15 slides
Robust identification of distant Compton-thick AGNs

Robust identification of distant Compton-thick AGNs

1Ms simulated XEUS spectrum. Optical AGN. Robust identification of distant Compton-thick AGNs. IR AGN. Alexander et al. (2008). Need for deep optical-mid-IR spectroscopy: multiple lines of evidence for intrinsic AGN luminosity can make a case for distant Compton-thick absorption. X-rays.

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153 views • 15 slides
AGN in Clusters of Galaxies

AGN in Clusters of Galaxies

AGN in Clusters of Galaxies. Paul Martini The Ohio State University. J.S. Mulchaey, D.D. Kelson (OCIW). E. Kim (CfA), A. Athey (OCIW). Why Survey Clusters for AGN?. Why is this a MISST?. 1. Different environment to probe AGN fueling (mergers, interactions, role of ISM)

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189 views • 8 slides

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