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Results: 1-23 |
Results: 23
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
Multiwavelength monitoring of the narrow-line Seyfert 1 galaxy Arakelian 564. III. Optical observations and the optical-UV-X-ray connection
Authors: Shemmer, O Romano, P Bertram, R Brinkmann, W Collier, S Crowley, KA Detsis, E Filippenko, AV Gaskell, CM George, TA Gliozzi, M Hiller, ME Jewell, TL Kaspi, S Klimek, ES Lannon, MH Li, W Martini, P Mathur, S Negoro, H Netzer, H Papadakis, I Papamastorakis, I Peterson, BM Peterson, BW Pogge, RW Pronik, VI Rumstay, KS Sergeev, SG Sergeeva, EA Stirpe, GM Taylor, CJ Treffers, RR Turner, TJ Uttley, P Vestergaard, M Von Braun, K Wagner, RM Zheng, Z
Citation: O. Shemmer et al., Multiwavelength monitoring of the narrow-line Seyfert 1 galaxy Arakelian 564. III. Optical observations and the optical-UV-X-ray connection, ASTROPHYS J, 561(1), 2001, pp. 162-170
Supermassive black holes in active galactic nuclei. I. The consistency of black hole masses in quiescent and active galaxies
Authors: Ferrarese, L Pogge, RW Peterson, BM Merritt, D Wandel, A Joseph, CL
Citation: L. Ferrarese et al., Supermassive black holes in active galactic nuclei. I. The consistency of black hole masses in quiescent and active galaxies, ASTROPHYS J, 555(2), 2001, pp. L79-L82
Characteristic ultraviolet/optical timescales in active galactic nuclei
Authors: Collier, S Peterson, BM
Citation: S. Collier et Bm. Peterson, Characteristic ultraviolet/optical timescales in active galactic nuclei, ASTROPHYS J, 555(2), 2001, pp. 775-785
Monitoring of the optical and 2.5-11.7 mu m spectrum and mid-IR imaging ofthe Seyfert 1 galaxy Mrk 279 with ISO
Authors: Santos-Lleo, M Clavel, J Schulz, B Altieri, B Barr, P Alloin, D Berlind, P Bertram, R Crenshaw, DM Edelson, RA Giveon, U Horne, K Huchra, JP Kaspi, S Kriss, GA Krolik, JH Malkan, MA Malkov, YF Netzer, H O'Brien, PT Peterson, BM Pogge, RW Pronik, VI Qian, BC Reichert, GA Rodriguez-Pascual, PM Sergeev, SG Tao, J Tokarz, S Wagner, RM Wamsteker, W Wilkes, BJ
Citation: M. Santos-lleo et al., Monitoring of the optical and 2.5-11.7 mu m spectrum and mid-IR imaging ofthe Seyfert 1 galaxy Mrk 279 with ISO, ASTRON ASTR, 369(1), 2001, pp. 57-64
Helium-oxygen mixture does not improve gas exchange in mechanically ventilated children with bronchiolitis
Authors: Gross, MF Spear, RM Peterson, BM
Citation: Mf. Gross et al., Helium-oxygen mixture does not improve gas exchange in mechanically ventilated children with bronchiolitis, CRIT CARE, 4(3), 2000, pp. 188-192
Variability of NGC 4051 and the nature of narrow-line Seyfert 1 galaxies
Authors: Peterson, BM McHardy, IM Wilkes, BJ
Citation: Bm. Peterson et al., Variability of NGC 4051 and the nature of narrow-line Seyfert 1 galaxies, NEW ASTR R, 44(7-9), 2000, pp. 491-496
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
X-ray and optical variability in NGC 4051 and the nature of narrow-line Seyfert 1 galaxies
Authors: Peterson, BM McHardy, IM Wilkes, BJ Berlind, P Bertram, R Calkins, M Collier, SJ Huchra, JP Mathur, S Papadakis, I Peters, J Pogge, RW Romano, P Tokarz, S Uttley, P Vestergaard, M Wagner, RM
Citation: Bm. Peterson et al., X-ray and optical variability in NGC 4051 and the nature of narrow-line Seyfert 1 galaxies, ASTROPHYS J, 542(1), 2000, pp. 161-174
Evidence for supermassive black holes in active galactic nuclei from emission-line reverberation
Authors: Peterson, BM Wandel, A
Citation: Bm. Peterson et A. Wandel, Evidence for supermassive black holes in active galactic nuclei from emission-line reverberation, ASTROPHYS J, 540(1), 2000, pp. L13-L16
A high signal-to-noise ultraviolet spectrum of NGC 7469: New support for reprocessing of continuum radiation
Authors: Kriss, GA Peterson, BM Crenshaw, DM Zheng, W
Citation: Ga. Kriss et al., A high signal-to-noise ultraviolet spectrum of NGC 7469: New support for reprocessing of continuum radiation, ASTROPHYS J, 535(1), 2000, pp. 58-72
Intensive HST, RXTE, and ASCA monitoring of NGC 3516: Evidence against thermal reprocessing
Authors: Edelson, R Koratkar, A Nandra, K Goad, M Peterson, BM Collier, S Krolik, J Malkan, M Maoz, D O'Brien, P Shull, JM Vaughan, S Warwick, R
Citation: R. Edelson et al., Intensive HST, RXTE, and ASCA monitoring of NGC 3516: Evidence against thermal reprocessing, ASTROPHYS J, 534(1), 2000, pp. 180-188
Thomson thick X-ray absorption in a broad absorption line quasar, PG 0946+301
Authors: Mathur, S Green, PJ Arav, N Brotherton, M Crenshaw, M DeKool, M Elvis, M Goodrich, RW Hamann, F Hines, DC Kashyap, V Korista, K Peterson, BM Shields, JC Shlosman, I van Breugel, W Voit, M
Citation: S. Mathur et al., Thomson thick X-ray absorption in a broad absorption line quasar, PG 0946+301, ASTROPHYS J, 533(2), 2000, pp. L79-L82
A new direct method for measuring the Hubble constant from reverberating accretion discs in active galaxies
Authors: Collier, S Horne, K Wanders, I Peterson, BM
Citation: S. Collier et al., A new direct method for measuring the Hubble constant from reverberating accretion discs in active galaxies, M NOT R AST, 302(1), 1999, pp. L24-L28
Central masses and broad-line region sizes of active galactic nuclei. I. Comparing the photoionization and reverberation techniques
Authors: Wandel, A Peterson, BM Malkan, MA
Citation: A. Wandel et al., Central masses and broad-line region sizes of active galactic nuclei. I. Comparing the photoionization and reverberation techniques, ASTROPHYS J, 526(2), 1999, pp. 579-591
Keplerian motion of broad-line region gas as evidence for supermassive black holes in active galactic nuclei
Authors: Peterson, BM Wandel, A
Citation: Bm. Peterson et A. Wandel, Keplerian motion of broad-line region gas as evidence for supermassive black holes in active galactic nuclei, ASTROPHYS J, 521(2), 1999, pp. L95-L98
Optical continuum and emission-line variability of seyfert 1 galaxies (vol501, pg 82, 1998)
Authors: Peterson, BM
Citation: Bm. Peterson, Optical continuum and emission-line variability of seyfert 1 galaxies (vol501, pg 82, 1998), ASTROPHYS J, 511(1), 1999, pp. 513-513
Steps toward determination of the size and structure of the broad-line region in active galactic nuclei. XV. Long-term optical monitoring of NGC 5548
Authors: Peterson, BM Barth, AJ Berlind, P Bertram, R Bischoff, K Bochkarev, NG Burenkov, AN Cheng, FZ Dietrich, M Filippenko, AV Giannuzzo, E Ho, LC Huchra, JP Hunley, J Kaspi, S Kollatschny, W Leonard, DC Malkov, YF Matheson, T Mignoli, M Nelson, B Papaderos, P Peters, J Pogge, RW Pronik, VI Sergeev, SG Sergeeva, EA Shapovalova, AI Stirpe, GM Tokarz, S Wagner, RM Wanders, I Wei, JY Wilkes, BJ Wu, H Xue, SJ Zou, ZL
Citation: Bm. Peterson et al., Steps toward determination of the size and structure of the broad-line region in active galactic nuclei. XV. Long-term optical monitoring of NGC 5548, ASTROPHYS J, 510(2), 1999, pp. 659-668
Direct measurement of the central masses in active galactic nuclei
Authors: Wandel, A Peterson, BM Malkan, MA
Citation: A. Wandel et al., Direct measurement of the central masses in active galactic nuclei, ASTRON NACH, 320(4-5), 1999, pp. 319-319
A search for ultrarapid microavailability in the Seyfert galaxy NGC 7469 with the Hubble Space Telescope
Authors: Welsh, WF Peterson, BM Koratkar, AP Korista, KT
Citation: Wf. Welsh et al., A search for ultrarapid microavailability in the Seyfert galaxy NGC 7469 with the Hubble Space Telescope, ASTROPHYS J, 509(1), 1998, pp. 118-131
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
New constraints on the continuum emission mechanism of active galactic nuclei: Intensive monitoring of NGC 7469 in the x-ray and ultraviolet
Authors: Nandra, K Clavel, J Edelson, RA George, IM Malkan, MA Mushotzky, RF Peterson, BM Turner, TJ
Citation: K. Nandra et al., New constraints on the continuum emission mechanism of active galactic nuclei: Intensive monitoring of NGC 7469 in the x-ray and ultraviolet, ASTROPHYS J, 505(2), 1998, pp. 594-606
Risultati: 1-23 |