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Results: 1-25 | 26-29
Results: 1-25/29
Multiwavelength monitoring of the Narrow-Line Seyfert 1 galaxy Arakelian 564. I. ASCA observations and the variability of the X-ray spectral components
Authors: Turner, TJ Romano, P George, IM Edelson, R Collier, SJ Mathur, S Peterson, BM
Citation: Tj. Turner et al., Multiwavelength monitoring of the Narrow-Line Seyfert 1 galaxy Arakelian 564. I. ASCA observations and the variability of the X-ray spectral components, ASTROPHYS J, 561(1), 2001, pp. 131-145
Multiwavelength monitoring of the narrow-line Seyfert 1 galaxy Arakelian 564. II. Ultraviolet continuum and emission-line variability
Authors: Collier, S Crenshaw, DM Peterson, BM Brandt, WN Clavel, J Edelson, R George, IM Horne, K Kriss, GA Mathur, S Netzer, H O'Brien, PT Pogge, RW Pounds, KA Romano, P Shemmer, O Turner, TJ Wamsteker, W
Citation: S. Collier et al., Multiwavelength monitoring of the narrow-line Seyfert 1 galaxy Arakelian 564. II. Ultraviolet continuum and emission-line variability, ASTROPHYS J, 561(1), 2001, pp. 146-161
X-ray emission from the nucleus of the dwarf elliptical galaxy NGC 3226
Authors: George, IM Mushotzky, RF Yaqoob, T Turner, TJ Kraemer, S Ptak, AF Nandra, K Crenshaw, DM Netzer, H
Citation: Im. George et al., X-ray emission from the nucleus of the dwarf elliptical galaxy NGC 3226, ASTROPHYS J, 559(1), 2001, pp. 167-172
High-resolution X-ray spectroscopy and modeling of the absorbing and emitting outflow in NGC 3783
Authors: Kaspi, S Brandt, WN Netzer, H George, IM Chartas, G Behar, E Sambruna, RM Garmire, GP Nousek, JA
Citation: S. Kaspi et al., High-resolution X-ray spectroscopy and modeling of the absorbing and emitting outflow in NGC 3783, ASTROPHYS J, 554(1), 2001, pp. 216-232
Space telescope imaging spectrograph echelle observations of the Seyfert galaxy NGC 4151: Physical conditions in the ultraviolet absorbers
Authors: Kraemer, SB Crenshaw, DM Hutchings, JB George, IM Danks, AC Gull, TR Kaiser, ME Nelson, CH Weistrop, D Vieira, GL
Citation: Sb. Kraemer et al., Space telescope imaging spectrograph echelle observations of the Seyfert galaxy NGC 4151: Physical conditions in the ultraviolet absorbers, ASTROPHYS J, 551(2), 2001, pp. 671-686
Chandra grating spectroscopy of the Seyfert galaxy Ton S180
Authors: Turner, TJ George, IM Yaqoob, T Kriss, G Crenshaw, DM Kraemer, S Zheng, W Wang, J Nandra, K
Citation: Tj. Turner et al., Chandra grating spectroscopy of the Seyfert galaxy Ton S180, ASTROPHYS J, 548(1), 2001, pp. L13-L16
Physical diagnostics from a narrow FeK alpha emission line detected by Chandra in the Seyfert 1 galaxy NGC 5548
Authors: Yaqoob, T George, IM Nandra, K Turner, TJ Serlemitsos, PJ Mushotzky, RF
Citation: T. Yaqoob et al., Physical diagnostics from a narrow FeK alpha emission line detected by Chandra in the Seyfert 1 galaxy NGC 5548, ASTROPHYS J, 546(2), 2001, pp. 759-768
The variable XMM-Newton spectrum of Markarian 766
Authors: Page, MJ Mason, KO Carrera, FJ Clavel, J Kaastra, JS Puchnarewicz, EM Santos-Lleo, M Brunner, H Ferrigno, C George, IM Paerels, F Pounds, KA Trudolyubov, SP
Citation: Mj. Page et al., The variable XMM-Newton spectrum of Markarian 766, ASTRON ASTR, 365(1), 2001, pp. L152-L157
The origin of the X-ray and ultraviolet emission in NGC 7469
Authors: Nandra, K Le, T George, IM Edelson, RA Mushotzky, RF Peterson, BM Turner, TJ
Citation: K. Nandra et al., The origin of the X-ray and ultraviolet emission in NGC 7469, ASTROPHYS J, 544(2), 2000, pp. 734-746
On the reddening in X-ray-absorbed Seyfert 1 galaxies
Authors: Kraemer, SB George, IM Turner, TJ Crenshaw, DM
Citation: Sb. Kraemer et al., On the reddening in X-ray-absorbed Seyfert 1 galaxies, ASTROPHYS J, 535(1), 2000, pp. 53-57
X-ray observations of optically selected, radio-quiet quasars. I. The ASCAresults
Authors: George, IM Turner, TJ Yaqoob, T Netzer, H Laor, A Mushotzky, RF Nandra, K Takahashi, T
Citation: Im. George et al., X-ray observations of optically selected, radio-quiet quasars. I. The ASCAresults, ASTROPHYS J, 531(1), 2000, pp. 52-80
Bepposax observation of NGC 7582: Constraints on the X-ray absorber
Authors: Turner, TJ Perola, GC Fiore, F Matt, G George, IM Piro, L Bassani, L
Citation: Tj. Turner et al., Bepposax observation of NGC 7582: Constraints on the X-ray absorber, ASTROPHYS J, 531(1), 2000, pp. 245-256
Are there any type 2 QSOs? The case of AXJ0341.4-4453
Authors: Halpern, JP Turner, TJ George, IM
Citation: Jp. Halpern et al., Are there any type 2 QSOs? The case of AXJ0341.4-4453, M NOT R AST, 307(4), 1999, pp. L47-L50
Determination of the solidus temperatures of Zircaloy-4/oxygen alloys
Authors: Hayward, PJ George, IM
Citation: Pj. Hayward et Im. George, Determination of the solidus temperatures of Zircaloy-4/oxygen alloys, J NUCL MAT, 273(3), 1999, pp. 294-301
Determination of the beta/beta+gamma eutectoid transition temperature in ZrO2-x at variable heating/cooling rates
Authors: Hayward, PJ George, IM
Citation: Pj. Hayward et Im. George, Determination of the beta/beta+gamma eutectoid transition temperature in ZrO2-x at variable heating/cooling rates, J NUCL MAT, 265(1-2), 1999, pp. 60-68
Dissolution of ZrO2 in molten Zircaloy-4
Authors: Hayward, PJ George, IM
Citation: Pj. Hayward et Im. George, Dissolution of ZrO2 in molten Zircaloy-4, J NUCL MAT, 265(1-2), 1999, pp. 69-77
Arakelian 564: An unusual component in the X-ray spectra of narrow-line Seyfert 1 galaxies
Authors: Turner, TJ George, IM Netzer, H
Citation: Tj. Turner et al., Arakelian 564: An unusual component in the X-ray spectra of narrow-line Seyfert 1 galaxies, ASTROPHYS J, 526(1), 1999, pp. 52-59
A highly Doppler blueshifted Fe-K emission line in the high-redshift QSO PKS 2149-306
Authors: Yaqoob, T George, IM Nandra, K Turner, TJ Zobair, S Serlemitsos, PJ
Citation: T. Yaqoob et al., A highly Doppler blueshifted Fe-K emission line in the high-redshift QSO PKS 2149-306, ASTROPHYS J, 525(1), 1999, pp. L9-L12
On X-ray variability in Seyfert galaxies
Authors: Turner, TJ George, IM Nandra, K Turcan, D
Citation: Tj. Turner et al., On X-ray variability in Seyfert galaxies, ASTROPHYS J, 524(2), 1999, pp. 667-673
The properties of the relativistic iron K-line in NGC 3516
Authors: Nandra, K George, IM Mushotzky, RF Turner, TJ Yaqoob, T
Citation: K. Nandra et al., The properties of the relativistic iron K-line in NGC 3516, ASTROPHYS J, 523(1), 1999, pp. L17-L20
The effect of intrinsic ultraviolet absorbers on the ionizing continuum and narrow emission line ratios in Seyfert galaxies
Authors: Kraemer, SB Turner, TJ Crenshaw, DM George, IM
Citation: Sb. Kraemer et al., The effect of intrinsic ultraviolet absorbers on the ionizing continuum and narrow emission line ratios in Seyfert galaxies, ASTROPHYS J, 519(1), 1999, pp. 69-79
X-ray observations of the Seyfert galaxy LB 1727 (1H 0419-577)
Authors: Turner, TJ George, IM Grupe, D Nandra, K Remillard, RA Leighly, KM Marshall, HL Kraemer, SB Crenshaw, DM
Citation: Tj. Turner et al., X-ray observations of the Seyfert galaxy LB 1727 (1H 0419-577), ASTROPHYS J, 510(1), 1999, pp. 178-187
The X-ray spectral variability of the Seyfert galaxy NGC 3227
Authors: George, IM Mushotzky, R Turner, TJ Yaqoob, T Ptak, A Nandra, K Netzer, H
Citation: Im. George et al., The X-ray spectral variability of the Seyfert galaxy NGC 3227, ASTROPHYS J, 509(1), 1998, pp. 146-162
Steps toward determination of the size and structure of the broad-line region in active galactic nuclei. XIII. Ultraviolet observations of the broad-line radio galaxy 3C 390.3
Authors: O'Brien, PT Dietrich, M Leighly, K Alloin, D Clavel, J Crenshaw, DM Horne, K Kriss, GA Krolik, JH Malkan, MA Netzer, H Peterson, BM Reichert, GA Rodriguez-Pascual, PM Wamsteker, W Anderson, KSJ Bochkarev, NG Cheng, FZ Filippenko, AV Gaskell, CM George, IM Goad, MR Ho, LC Kaspi, S Kollatschny, W Korista, KT MacAlpine, G Marlow, D Martin, PG Morris, SL Pogge, RW Qian, BC Recondo-Gonzalez, MC Espinosa, JMR Santos-Lleo, M Shapovalova, AI Shull, JM Stirpe, GM Sun, WH Turner, TJ Vio, R Wagner, S Wanders, I Wills, KA Wu, H Xue, SJ Zou, ZL
Citation: Pt. O'Brien et al., Steps toward determination of the size and structure of the broad-line region in active galactic nuclei. XIII. Ultraviolet observations of the broad-line radio galaxy 3C 390.3, ASTROPHYS J, 509(1), 1998, pp. 163-176
X-ray signatures of an ionized reprocessor in the Seyfert galaxy Ton S180
Authors: Turner, TJ George, IM Nandra, K
Citation: Tj. Turner et al., X-ray signatures of an ionized reprocessor in the Seyfert galaxy Ton S180, ASTROPHYS J, 508(2), 1998, pp. 648-656
Risultati: 1-25 | 26-29