Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Nastaran Fazeli"'
Autor:
Lars Fuhrmann, Michal Zajaček, Andreas Eckart, Nastaran Fazeli, Kevin C. Harrington, Monica Valencia-S., Silke Britzen, J. Anton Zensus, Jana Schneeloch, Gerold Busch
A detailed understanding of how the activity of a galactic nucleus regulates the growth of its host is still missing. To understand the activity and the types of accretion of supermassive black holes in different hosts, it is essential to study radio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::572db5e39784c01e1d9d6969bee62bf8
http://arxiv.org/abs/1906.08877
http://arxiv.org/abs/1906.08877
Autor:
Monica Valencia-S., Andreas Eckart, Santiago García-Burillo, Gerold Busch, Francoise Combes, Michal Zajaček, Nastaran Fazeli
Publikováno v:
Astronomy and Astrophysics-A&A
Astronomy and Astrophysics-A&A, EDP Sciences, 2019, 622, pp.A128. ⟨10.1051/0004-6361/201834255⟩
Astronomy and Astrophysics-A&A, EDP Sciences, 2019, 622, pp.A128. ⟨10.1051/0004-6361/201834255⟩
In the framework of understanding the gas and stellar kinematics and their relations to AGNs and galaxy evolution scenarios, we present spatially resolved distributions and kinematics of the stars and gas in the central ∼800 pc radius of the nearby
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d10659bb18e8c309ea1dd930241bf857
Autor:
Gerold Busch, Persis Misquitta, Monica Valencia-S., Andreas Eckart, Nastaran Fazeli, Madeleine Yttergren, Micah Bowles
Publikováno v:
Astronomy & Astrophysics. 639:A30
We present the properties of the central supermassive black holes and the host galaxies of the interacting object SDSS J134420.86+663717.8. We obtained optical long slit spectroscopy data from the Large Binocular Telescope using the Multi Object Doub
Autor:
Gerold Busch, Persis Misquitta, Francoise Combes, Andreas Eckart, Nastaran Fazeli, Christian Straubmeier
Publikováno v:
Astronomy & Astrophysics. 638:A53
Gas inflow processes in the vicinity of galactic nuclei play a crucial role in galaxy evolution and supermassive black hole growth. Exploring the central kiloparsec of galaxies is essential to shed more light on this subject. We present near-infrared
Autor:
M. Valencia-S., Anton Zensus, E. Hosseini, N. Sabha, Christian Straubmeier, Nastaran Fazeli, Vladimír Karas, A. Borkar, Gerold Busch, M. Subroweit, Michal Zajaček, Banafsheh Shahzamanian, Shogo Nishiyama, A. Eckart, M. Parsa, F. Peissker, K. Markakis, Silke Britzen, Lukas Steiniger, Andreas Eckart
Publikováno v:
Proceedings of Frontier Research in Astrophysics – III — PoS(FRAPWS2018).
During the past decades the analysis of flare emission from Sgr A* helped to put constraints on the emission models and the corresponding physical parameters. In the NIR the source is characterized by a single power-law flux density distribution. The
Autor:
Bernd Husemann, Timothy A. Davis, J. Scharwächter, Francoise Combes, R. McElroy, Massimo Gaspari, C. Fischer, Christopher P. O'Dea, Stefi A. Baum, Andreas Eckart, Scott M. Croom, Grant R. Tremblay, I. Smirnova-Pinchukova, Tanya Urrutia, Nastaran Fazeli, Meredith Powell, Gerold Busch, Randolf Klein, Miguel A. Pérez-Torres, Álvaro Sánchez-Monge, Mirko Krumpe
Publikováno v:
The Astrophysical journal letters
The Astrophysical journal letters, Bristol : IOP Publishing, 2018, 866 (1), pp.L9. ⟨10.3847/2041-8213/aae25d⟩
Digital.CSIC. Repositorio Institucional del CSIC
instname
Zaguán. Repositorio Digital de la Universidad de Zaragoza
The Astrophysical Journal
The Astrophysical journal letters, Bristol : IOP Publishing, 2018, 866 (1), pp.L9. ⟨10.3847/2041-8213/aae25d⟩
Digital.CSIC. Repositorio Institucional del CSIC
instname
Zaguán. Repositorio Digital de la Universidad de Zaragoza
The Astrophysical Journal
We report spatially resolved [C ii] λ158 μm observations of HE 0433-1028, which is the first detection of a nearby luminous active galactic nucleus (AGN; redshift 0.0355) with the Field-Imaging Far-Infrared Line Spectrometer (FIFI-LS) on board the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ff69dd5c263a4a9709da458279f6fc3c
Autor:
F. Peissker, Banafsheh Shahzamanian, Gerold Busch, Matthew Horrobin, Vladimir Karas, Steffen Rost, Andreas Eckart, Christian Straubmeier, N. Sabha, M. Subroweit, A. Borkar, Monica Valencia-S., Silke Britzen, F. Kamali, Anton Zensus, J. Schneeloch, Nastaran Fazeli
Publikováno v:
Proceedings of XII Multifrequency Behaviour of High Energy Cosmic Sources Workshop — PoS(MULTIF2017).
The Galactic Center is the closest galactic nucleus that allows us to determine the multi-frequency behavior of the supermassive black hole counterpart Sagittarius A* in great detail. We put SgrA*, as a nucleus with weak activity, into the context of
Publikováno v:
EAS Publications Series. :53-56
Integral-field spectroscopy in the near-infrared (NIR) is a powerful tool to analyze the gaseous and stellar distributions and kinematics, as well as the excitation mechanisms in the centers of galaxies. The unique combination of NIR and sub-mm data
Autor:
Nastaran Fazeli, Gerold Busch, Monica Valencia-S., Andreas Eckart, Francoise Combes, Julia Scharwächter, Santiago García-Burillo
Publikováno v:
Astronomy and Astrophysics-A&A
Astronomy and Astrophysics-A&A, EDP Sciences, 2017, 598, pp.A55. ⟨10.1051/0004-6361/201629440⟩
Astronomy and Astrophysics-A&A, 2017, 598, pp.A55. ⟨10.1051/0004-6361/201629440⟩
Astronomy and Astrophysics-A&A, EDP Sciences, 2017, 598, pp.A55. ⟨10.1051/0004-6361/201629440⟩
Astronomy and Astrophysics-A&A, 2017, 598, pp.A55. ⟨10.1051/0004-6361/201629440⟩
NGC 1808 is a nearby barred spiral galaxy which hosts young stellar clusters in a patchy circumnuclear ring with a radius of $\sim 240\,\mathrm{pc}$. In order to study the gaseous and stellar kinematics and the star formation properties of the cluste
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b826089275b671e2568ad494a26640e5
https://hal.archives-ouvertes.fr/hal-02180907
https://hal.archives-ouvertes.fr/hal-02180907
Autor:
C. Rauch, D. Kunneriath, Silke Britzen, Gerold Busch, Anton Zensus, A. Borkar, M. Subroweit, Banafsheh Shahzamanian, Matthew Horrobin, Nastaran Fazeli, S. E. Hosseini, Lydia Moser, Michal Zajaček, Monica Valencia-S., M. Parsa, Y. E. Rashed, Christian Straubmeier, M. Garcia-Marin, N. Sabha, F. Peissker, Vladimir Karas, Andreas Eckart
Publikováno v:
Scopus-Elsevier
Bright Active Galactic Nuclei are powered by accretion of mass onto the super massive black holes at the centers of the host galaxies. For fainter objects star formation may significantly contribute to the luminosity. We summarize experimental indica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::999bafab07f06adf59d384b7ff1f72e4