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  The sub-parsec structure of AGN with VLTI/GRAVITY

Lutz, D., Shimizu, T., Sturm, E., Santos, D., Davies, R., Pfuhl, O., et al. (2024). The sub-parsec structure of AGN with VLTI/GRAVITY. In G. Bruni, M. Diaz Trigo, S. Laha, & K. Fukumura (Eds.), Black Hole Winds at All Scales (IAU Symposium 378) (pp. 22-24). Cambridge, UK: Cambridge University Press. doi:10.1017/S174392132300323X.

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The sub-parsec structure of AGN with VLTI GRAVITY.pdf (Any fulltext), 573KB
 
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 Creators:
Lutz, Dieter1, Author           
Shimizu, Taro1, Author           
Sturm, Eckhard1, Author           
Santos, Daryl1, Author           
Davies, Ric1, Author           
Pfuhl, Oliver1, Author           
Dexter, Jason1, Author           
Cao, Yixian1, Author           
Collaboration, GRAVITY, Author
Affiliations:
1Infrared and Submillimeter Astronomy, MPI for Extraterrestrial Physics, Max Planck Society, ou_159889              

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 Abstract: The central parsec of AGN is a key region for the launching of winds, and near-infrared interferometry is a unique tool for its study. With GRAVITY at the VLT interferometer, we can now spatially resolve not just the hot dust continuum on milliarcsecond ‘torus’ scales through imaging but also the broad-line region (BLR) on microarcsecond scales through spectro-astrometry. We have mapped the kinematics of the BLR in seven nearby AGN, measured sizes of the hot dust for seventeen AGN, and reconstructed dust images for two AGN. BLR kinematics has allowed us to measure the BLR size and supermassive black hole mass independent of reverberation mapping. The ongoing GRAVITY+ upgrade will greatly enhance the sensitivity and sky coverage of GRAVITY, and first results demonstrate its power for AGN science at z∼2 and beyond.

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Language(s): eng - English
 Dates: 2024-10-28
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1017/S174392132300323X
Other: LOCALID: Reihe: IAU...378, p.22-24
 Degree: -

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Title: 378th Symposium of the International Astronomical Union
Place of Event: Haifa, Israel
Start-/End Date: 2023-03-12 - 2023-03-16

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Title: Black Hole Winds at All Scales (IAU Symposium 378)
Source Genre: Proceedings
 Creator(s):
Bruni, G., Editor
Diaz Trigo, M., Editor
Laha, S., Editor
Fukumura, K., Editor
Affiliations:
-
Publ. Info: Cambridge, UK : Cambridge University Press
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 22 - 24 Identifier: ISSN: 1743-9213

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Title: Proceedings of the International Astronomical Union
Source Genre: Series
 Creator(s):
International Astronomical Union, Editor              
Affiliations:
-
Publ. Info: Cambridge, UK : Cambridge University Press
Pages: - Volume / Issue: 378 Sequence Number: - Start / End Page: - Identifier: ISSN: 1743-9213