Zobrazeno 1 - 10
of 2 096
pro vyhledávání: '"Turner, T. A."'
Autor:
Falcão, Anna Trindade, Kraemer, S. B., Fischer, T. C., Schmitt, H. R., Feuillet, L., Crenshaw, D. M., Revalski, M., Maksym, W. P., Vestergaard, M., Elvis, M., Gaskell, C. M., Ho, L. C., Netzer, H., Storchi-Bergmann, T., Turner, T. J., Ward, M. J.
We use the Hubble Space Telescope to analyse the extended [O III] 5007A emission in seven bright radio-quiet type 1 quasars (QSO1s), focusing on the morphology and physical conditions of their extended Narrow-Line Regions (NLRs). We find NLRs extendi
Externí odkaz:
http://arxiv.org/abs/2410.16053
Autor:
Falcao, Anna Trindade, Turner, T. J., Kraemer, S. B., Braito, V., Reeves, J., Schmitt, H. R., Feuillet, L.
We report the serendipitous multiwavelength discovery of a candidate dual black hole system with a separation of ~100 pc, in the gas-rich luminous infrared galaxy MCG-03-34-64 (z=0.016). Hubble Space Telescope/ACS observations show three distinct opt
Externí odkaz:
http://arxiv.org/abs/2403.07717
Autor:
Falcao, Anna Trindade, Kraemer, S. B., Crenshaw, D. M., Melendez, M., Revalski, M., Fischer, T. C., Schmitt, H. R., Turner, T. J.
We use Cloudy photoionisation models to predict the flux profiles for optical/IR emission lines that trace the footprint of X-ray gas, such as [Fe X] 6375A and [Si X] 1.43$\mu$m. These are a subset of coronal lines, from ions with ionisation potentia
Externí odkaz:
http://arxiv.org/abs/2110.11436
Autor:
Williams-Brown, M.Y., Summey, R.M., Newtson, A., Burke, W., Turner, T., Sabu, P., Davidson, B.A., Glaser, G.
Publikováno v:
In Gynecologic Oncology April 2024 183:85-92
Autor:
Falcão, Anna Trindade, Kraemer, S. B., Fischer, T. C., Crenshaw, D. M., Revalski, M., Schmitt, H. R., Maksym, W. P., Vestergaard, M., Elvis, M., Gaskell, C. M., Hamann, F., Ho, L. C., Hutchings, J., Mushotzky, R., Netzer, H., Storchi-Bergmann, T., Turner, T. J., Ward, M. J.
We present a dynamical study of the narrow-line regions in two nearby QSO2s. We construct dynamical models based on detailed photoionization models of the emission-line gas, including the effects of internal dust, to apply to observations of large-sc
Externí odkaz:
http://arxiv.org/abs/2105.12188
Autor:
Falcao, Anna Trindade, Kraemer, S. B., Fischer, T. C., Crenshaw, D. M., Revalski, M., Schmitt, H. R., Vestergaard, M., Elvis, M., Gaskell, C. M., Hamann, F., Ho, L. C., Hutchings, J., Mushotzky, R., Netzer, H., Storchi-Bergmann, T., Turner, T. J., Ward, M. J.
We use Hubble Space Telescope (HST)/ Space Telescope Imaging Spectrograph (STIS) long-slit G430M and G750M spectra to analyse the extended [O~III] 5007A emission in a sample of twelve nearby (z < 0.12) luminous (L_bol > 1.6 x 10^45 erg s^-1) QSO2s. T
Externí odkaz:
http://arxiv.org/abs/2010.08050
A joint XMM-Newton and NuSTAR observation was conducted for the bright, local Seyfert 1.9 galaxy, NGC 1194. The hard spectral form of this AGN was modeled using the toroidal reprocessor MYTORUS. The decoupled model form provides a good description of
Externí odkaz:
http://arxiv.org/abs/2007.04366
We present a series of X-ray variability results from a long XMM-Newton + NuSTAR campaign on the bright, variable AGN NGC 3227. We present an analysis of the lightcurves, showing that the source displays typically softer-when-brighter behaviour, alth
Externí odkaz:
http://arxiv.org/abs/2004.03824
Autor:
Kraemer, S. B., Turner, T. J., Couto, J. D., Crenshaw, D. M., Schmitt, H. R., Revalski, M., Fischer, T. C.
Publikováno v:
Proc. IAU 15 (2020) 131-135
We have analysed Chandra/High Energy Transmission Gratings spectra of the X-ray emission line gas in the Seyfert galaxy NGC 4151. The zeroth order spectral images show extended H- and He-like O and Ne, up to a distance $r \sim$ 200 pc from the nucleu
Externí odkaz:
http://arxiv.org/abs/2002.05806
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