Steve B. Kraemer - Publications

Refereed Publications:

"High-Resolution Ultraviolet Spectra of the Dwarf Seyfert 1 Galaxy NGC 4395: Evidence for Intrinsic Absorption", Crenshaw, D. M.; Kraemer, S. B.; Gabel, J. R.; Schmitt, H. R.; Filippenko, A. V.; Ho, L. C.; Shields, J. C.; Turner, T. J. 2004, ApJ, 612, 152

"Simultaneous X-ray and ultraviolet spectroscopy of the Seyfert galaxy NGC 5548. III. X-ray time variability", Kaastra, J. S.; Steenbrugge, K. C.; Crenshaw, D. M.; Kraemer, S. B.; Arav, N.; George, I. M.; Liedahl, D. A.; van der Meer, R. L. J.; Paerels, F. B. S.; Turner, T. J.; Yaqoob, T. 2004, A&A, 422, 97

"On the Relationship between the Optical Emission-Line and X-Ray Luminosities in Seyfert 1 Galaxies", Kraemer, S. B.; George, I. M.; Crenshaw, D. M.; Gabel, J. R. 2004, ApJ, 607, 794

"The Effects of Low-Temperature Dielectronic Recombination on the Relative Populations of the Fe M-Shell States", Kraemer, S. B.; Ferland, G. J.; Gabel, J. R. 2004, ApJ, 604, 556

"Transient Relativistically Shifted Lines as a Probe of Black Hole Systems", Turner, T. J.; Kraemer, S. B.; Reeves, J. N. 2004, ApJ, 603, 62

"The Spectral Energy Distribution and Emission-Line Properties of the Narrow-Line Seyfert 1 Galaxy Arakelian 564", Romano, P.; Mathur, S.; Turner, T. J.; Kraemer, S. B.; Crenshaw, D. M.; Peterson, B. M.; Pogge, R. W.; Brandt, W. N.; George, I. M.; Horne, K.; and 4 coauthors 2004, ApJ, 602, 635

"The Ionized Gas and Nuclear Environment in NGC 3783. IV. Variability and Modeling of the 900 Kilosecond Chandra Spectrum", Netzer, Hagai; Kaspi, Shai; Behar, Ehud; Brandt, W. N.; Chelouche, Doron; George, Ian M.; Crenshaw, D. Michael; Gabel, Jack R.; Hamann, Frederick W.; Kraemer, Steven B.; and 5 coauthors 2003, ApJ, 599, 933

"XMM-Newton Observation of Fe Kα Emission from a Broad Absorption Line Quasar: Markarian 231", Turner, T. J.; Kraemer, S. B. 2003, ApJ, 598, 916

"The Host Galaxies of Narrow-Line Seyfert 1 Galaxies: Evidence for Bar-Driven Fueling", Crenshaw, D. M.; Kraemer, S. B.; Gabel, J. R. 2003, AJ, 126, 1690

"The Ionized Gas and Nuclear Environment in NGC 3783. III. Detection of a Decreasing Radial Velocity in an Intrinsic Ultraviolet Absorber", Gabel, Jack R.; Crenshaw, D. Michael; Kraemer, Steven B.; Brandt, W. N.; George, Ian M.; Hamann, Frederick W.; Kaiser, Mary Elizabeth; Kaspi, Shai; Kriss, Gerard A.; Mathur, Smita; and 7 coauthors 2003, ApJ, 595, 120

"Elemental Abundances in NGC 3516", Turner, T. J.; Kraemer, S. B.; Mushotzky, R. F.; George, I. M.; Gabel, J. R. 2003, ApJ, 594, 128

"Simultaneous Ultraviolet and X-Ray Spectroscopy of the Seyfert 1 Galaxy NGC 5548. I. Physical Conditions in the Ultraviolet Absorbers", Crenshaw, D. M.; Kraemer, S. B.; Gabel, J. R.; Kaastra, J. S.; Steenbrugge, K. C.; Brinkman, A. C.; Dunn, J. P.; George, I. M.; Liedahl, D. A.; Paerels, F. B. S.; and 2 coauthors 2003, ApJ, 594, 116

"Probing the Complex and Variable X-Ray Absorption of Markarian 6 with XMM-Newton", Immler, Stefan; Brandt, W. N.; Vignali, Cristian; Bauer, Franz E.; Crenshaw, D. Michael; Feldmeier, John J.; Kraemer, Steven B. 2003, AJ, 126, 153

"Discovery of a Little Homunculus within the Homunculus Nebula of η Carinae", Ishibashi, Kazunori; Gull, Theodore R.; Davidson, Kris; Smith, Nathan; Lanz, Thierry; Lindler, Don; Feggans, Keith; Verner, Ekaterina; Woodgate, Bruce E.; Kimble, Randy A.; and 10 coauthors 2003, AJ, 125, 3222

"The Ionized Gas and Nuclear Environment in NGC 3783. II. Averaged Hubble Space Telescope/STIS and Far Ultraviolet Spectroscopic Explorer Spectra", Gabel, Jack R.; Crenshaw, D. Michael; Kraemer, Steven B.; Brandt, W. N.; George, Ian M.; Hamann, Frederick W.; Kaiser, Mary Elizabeth; Kaspi, Shai; Kriss, Gerard A.; Mathur, Smita; and 7 coauthors 2003 ApJ, 583, 178

"The Kinematics and Physical Conditions of the Ionized Gas in Markarian 509. II. STIS Echelle Observations", Kraemer, S. B.; Crenshaw, D. M.; Yaqoob, T.; McKernan, B.; Gabel, J. R.; George, I. M.; Turner, T. J.; Dunn, J. P. 2003, ApJ, 582, 125

"The Kinematics and Physical Conditions of the Ionized Gas in Markarian 509. I. Chandra High Energy Grating Spectroscopy", Yaqoob, Tahir; McKernan, Barry; Kraemer, Steven B.; Crenshaw, D. Michael; Gabel, Jack R.; George, Ian M.; Turner, T. Jane 2003, ApJ, 582, 105

"Mass Loss from the Nuclei of Active Galaxies", Crenshaw, D. Michael; Kraemer, Steven B.; George, Ian M. 2002, ARA&A, 41, 117

"Balmer and He I Absorption in the Nuclear Spectrum of NGC 4151", Hutchings, J. B.; Crenshaw, D. M.; Kraemer, S. B.; Gabel, J. R.; Kaiser, M. E.; Weistrop, D.; Gull, T. R. 2002, AJ, 124, 2543

"Variable Ultraviolet Absorption in the Seyfert 1 Galaxy NGC 3516: The Case for Associated Ultraviolet and X-Ray Absorption", Kraemer, S. B.; Crenshaw, D. M.; George, I. M.; Netzer, H.; Turner, T. J.; Gabel, J. R. 2002, ApJ, 577, 98

"Narrow Components within the Fe Kα Profile of NGC 3516: Evidence of the Importance of General Relativistic Effects?", Turner, T. J.; Mushotzky, R. F.; Yaqoob, T.; George, I. M.; Snowden, S. L.; Netzer, H.; Kraemer, S. B.; Nandra, K.; Chelouche, D. 2002, ApJ, 574, 123

"The Ionized Gas and Nuclear Environment in NGC 3783. I. Time-averaged 900 Kilosecond Chandra Grating Spectroscopy", Kaspi, Shai; Brandt, W. N.; George, Ian M.; Netzer, Hagai; Crenshaw, D. Michael; Gabel, Jack R.; Hamann, Frederick W.; Kaiser, Mary Elizabeth; Koratkar, Anuradha; Kraemer, Steven B.; and 8 coauthors 2002, ApJ, 574, 643

"The Detection of Circumnuclear X-Ray Emission from the Seyfert Galaxy NGC 3516", George, I. M.; Turner, T. J.; Netzer, H.; Kraemer, S. B.; Ruiz, J.; Chelouche, D.; Crenshaw, D. M.; Yaqoob, T.; Nandra, K.; Mushotzky, R. F. 2002, ApJ, 571, 265

"The Density and Location of the X-Ray-absorbing Gas in NGC 3516", Netzer, Hagai; Chelouche, Doron; George, I. M.; Turner, T. J.; Crenshaw, D. M.; Kraemer, S. B.; Nandra, K. 2002, ApJ, 571, 256

"The Spectral Energy Distribution of the Seyfert Galaxy Ton S180", Turner, T. J.; Romano, P.; Kraemer, S. B.; George, I. M.; Yaqoob, T.; Crenshaw, D. M.; Storm, J.; Alloin, D.; Lazzaro, D.; Da Silva, L.; and 7 coauthors 2002, ApJ, 158, 120

"Reddening, Emission-Line, and Intrinsic Absorption Properties in the Narrow-Line Seyfert 1 Galaxy Arakelian 564", Crenshaw, D. M.; Kraemer, S. B.; Turner, T. J.; Collier, S.; Peterson, B. M.; Brandt, W. N.; Clavel, J.; George, I. M.; Horne, K.; Kriss, G. A.; and 7 coauthors 2002, ApJ, 566, 187

"The Disk and Environment of the Herbig Be Star HD 100546", Grady, C. A.; Polomski, E. F.; Henning, Th.; Stecklum, B.; Woodgate, B. E.; Telesco, C. M.; Piña, R. K.; Gull, T. R.; Boggess, A.; Bowers, C. W.; and 19 coauthors 2001, AJ, 122, 3396

"Kinematics of the Narrow-Line Region in the Seyfert 2 Galaxy Markarian 3", Ruiz, José R.; Crenshaw, D. M.; Kraemer, S. B.; Bower, G. A.; Gull, T. R.; Hutchings, J. B.; Kaiser, M. E.; Weistrop, D. 2001, AJ, 122, 2961

"On the Nature of Intrinsic Absorption in Reddened Seyfert 1 Galaxies", Crenshaw, D. M.; Kraemer, S. B. 2001, ApJ, 562, 29

"X-Ray Emission from the Nucleus of the Dwarf Elliptical Galaxy NGC 3226", George, I. M.; Mushotzky, R. F.; Yaqoob, T.; Turner, T. J.; Kraemer, S.; Ptak, A. F.; Nandra, K.; Crenshaw, D. M.; Netzer, H. 2001, ApJ, 559, 167

"STIS Echelle Observations of the Intrinsic UV Absorption in the Seyfert 1 Galaxy NGC 3783", Kraemer, S. B.; Crenshaw, D. M.; Gabel, J. R. 2001, ApJ, 557, 30

"High-Resolution X-Ray and Ultraviolet Spectroscopy of the Complex Intrinsic Absorption in NGC 4051 with Chandra and the Hubble Space Telescope", Collinge, M. J.; Brandt, W. N.; Kaspi, Shai; Crenshaw, D. Michael; Elvis, Martin; Kraemer, Steven B.; Reynolds, Christopher S.; Sambruna, Rita M.; Wills, Beverley J. 2001, ApJ, 557, 2

"Absorption and Reddening in the Seyfert Galaxy NGC 3227", Crenshaw, D.M, Kraemer, S.B., Bruhweiler, F.C., & Ruiz, J.R. 2001, ApJ, 555, 633

"STIS Echelle Observations of the Seyfert Galaxy NGC 4151. Physical Conditions in the UV Absorbers", Kraemer, S.B., Crenshaw, D.M., Hutchings, J.B., George, I.M, Danks, A.C., Gull, T.R., Kaiser, M.E., Nelson, C.H., Weistrop, D., & Viera, G. 2001, ApJ, 551, 671

"Chandra Grating Spectroscopy of the Seyfert Galaxy Ton S180", Turner, T.J., George, I.M, Yaqoob, T., Kriss, G., Crenshaw, D.M., Kraemer, S.B., Zheng, W., Wang, J., & Nandra, K. 2001, ApJ Letters, 548, 13

"STIS Echelle Observations of NGC 4151. Variable Ionization of the Intrinsic UV Absorbers," Crenshaw, D.M, Kraemer, S.B., Hutchings, J.B., Danks, A.C., Gull, T.R., Kaiser, M.E., Nelson, C.H., & Weistrop, D. 2000, ApJ Letters, 545, 27

"Resolved Spectroscopy of the Narrow-Line Region in NGC 1068. III. Physical Conditions in the Emission-Line Gas", Kraemer, S.B., & Crenshaw, D.M. 2000, ApJ, 544, 763

"A Kinematic Model for the Narrow-Line Region in NGC 4151", Crenshaw, D.M, Kraemer, S.B., et al. 2000, AJ, 120, 1731

"On the Reddening in X-ray-absorbed Seyfert 1 Galaxies", Kraemer, S.B., George, I.M., Crenshaw, D.M., & Turner, T.J. 2000, ApJ, 535, 53

"Resolved Spectroscopy of the Narrow-Line Region in NGC 1068: Kinematics of the Ionized Gas", Crenshaw, D.M., & Kraemer, S.B. 2000, ApJ Letters, 532, 101

"Resolved Spectroscopy of the Narrow-Line Region in NGC 1068. II. Physical Conditions near the NGC 1068 `Hot Spot'", Kraemer, S.B., & Crenshaw, D.M. 2000, ApJ, 532, 256

"Resolved Spectroscopy of the Narrow-Line Region in NGC 1068. I. The Nature of the Continuum Emission", Crenshaw, D.M, & Kraemer S.B. 2000, ApJ, 532, 247

"Space Telescope Imaging Spectrograph Long-Slit Spectroscopy of the Narrow-Line Region of NGC 4151. II. Physical Conditions along Position Angle 221 deg", Kraemer, S.B., Crenshaw, D.M., Hutchings, J.B., Gull, T.R., Kaiser, M.E., Nelson, C.H., & Weistrop, D. 2000, Apj, 531, 278

"Space Telescope Imaging Spectrograph Long-Slit Spectroscopy of the Narrow-Line Region of NGC 4151. I. Kinematics and Emission-Line Ratios", Nelson, C.H., & Weistrop, D., Hutchings, J.B., Crenshaw, D.M., Gull, T.R., Kaiser, M.E., Kraemer, S.B., & Lindler, D. 2000, Apj, 531, 257

"High Velocity Line Emission in the Narrow-Line Region of NGC 4151", Hutchings, J.B., Crenshaw, D.M, Danks, A.C., Gull T.R., Kraemer, S.B., Nelson, C.H., & Weistrop, D., Kaiser, M.E., Joseph, C.L. 1999, AJ, 118, 2101

"Kinematics and Morphology of the Resolved Narrow Line Region in NGC 4151", Kaiser, M.E., Bradley, L.D. II, Hutchings, J.B., Crenshaw, D.M., Kraemer, S.B., Ruiz, J., Gull, T.R., Nelson, C.H, & Weistrop, D. 1999, Ap&SS, 269, 431

``The Ionization Mechanism of the LINER Galaxy NGC 1052'', Gabel, J.R., Bruhweiler, F.C., Crenshaw, D.M, Kraemer, S.B., and Miskey, C.L. 2000 ApJ, 532, 883.

``The Resolved Narrow Line Region in NGC 4151'', Kaiser, M.E., Bradley, L.D., Hutchings, J.B., Crenhsaw, D.M., Gull, T.R., Kraemer, S.B., Nelson, C.H., Ruiz, J.R., and Weistrop, D. 2000 ApJ, 528, 260.

``Intrinsic Absorption Lines in the Seyfert 1 Galaxy NGC 5548: UV Echelle Spectra from the Space Telescope Imaging Spectrograph'', Crenshaw D.M., \& Kraemer, S.B. 1999 ApJ, 521, 572.

``Physical Conditions in the Emission-Line Gas in the Extremely Low Luminosity Seyfert Nucleus of NGC 4395'', Kraemer, S.B., Ho, L.C., Crenshaw, D.M., Filippenko, A.V., \& Shields, J.C. 1999, ApJ, 520, 564.

``The Effects of Intrinsic UV Absorbers on the Ionizing Continuum and Narrow Emission Line Ratios in Seyfert Galaxies'', Kraemer, S.B., Turner, T.J., Crenshaw, D.M., \& George, I.M. 1999, 519, 69.

``Intrinsic Absorption Lines in Seyfert 1 Galaxies. I. Ultraviolet Spectra from the Hubble Space Telescope'', Crenshaw, D.M., Kraemer, S.B., Boggess, A., Maran, S.P., Mushotzky, R.F., \& Wu, C.-C. 1999, ApJ, 516, 750.

``X-ray Observations of the Seyfert Galaxy LB 1727 (1H 0419-577)'', Turner, T.J., George, I.M., Grupe, D., Nandra, K., Remillard, R.A., Leighly, K.M., Marshall, H.L., Kraemer, S.B., \& Crenshaw, D.M. 1999, ApJ, 510, 178.

``The Space Telescope Imaging Spectrograph Design'', Woodgate, B.E., Kimble, R.A., Bowers, C.W., Kraemer, S.B., et al. 1998, PASP, 110, 1183

``Physical Conditions in the Inner Narrow-Line Region of the Seyfert 2 Galaxy NGC 1068'', Kraemer, S.B., Ruiz, J.R., \& Crenshaw, D.M. 1998, ApJ, 508, 232.

``Evidence for a Physically Compact Narrow-Line Region in the Seyfert 1 Galaxy NGC~5548'', Kraemer, S.B., Crenshaw, D.M., Peterson, B.M., and Filippenko, A.V. 1998, ApJ, 499, 719

``Space Telescope Imaging Spectrograph Near-Ultraviolet Time-Tagged Spectra of the Crab Pulsar'', Gull, T.R., Lindler, T.J., Crenshaw, D.M., Dolan, J.F., Hulbert, S.J., Kraemer, S.B., Lundqvist, P., Sahu, K.C., Sollerman, J., Sonneborn, G., and Woodgate, B.E. 1998, ApJ 495, L51.

``The On-Orbit Performance of the Space Telescope Imaging Sprectrograph'', Kimble, R.A., Woodgate, B.E., Bowers, C.W., Kraemer, S.B., et al. 1998 ApJ 492, L83

``Kinematics of the Nuclear Ionized Gas in the Radio Galaxy M84 (NGC 4374)'', Bower, G.A., Green, R.F., Danks, A., Gull, T., Heap, S., Hutchings, J., Joseph, C., Kaiser, M.E., Kraemer, S., et al. 1998, ApJ, 492, L111

``Gas Cloud Kinematics near the Nucleus of NGC 4151'', Hutchings, J.B., Crenshaw, D.M., Kaiser, M.E., Kraemer, S.B., Weistrop, D., Baum, S., Bowers, C.W., Feinberg, L.D., Green, R.F., Gull, T.R., Hartig, G.F., Hill, G., and Lindler, D.J. 1998, ApJ, 492, L115.

``Spatially Resolved STIS Spectroscopy of SN 1987A: Evidence for Shock Interaction with Circumstellar Gas'', Sonneborn, G., Pun, C.S.J., Kimble, R.A., Gull, T.R., Lundqvist, P., McCray, R., Plait, P., Boggess, A., Bowers, C.W., Danks, A.C., Grady, J., Heap, S.R., Kraemer, S., Lindler, D., Loiacono, J., Maran, S.P., Moos, H.W., and Woodgate, B.E. 1998, ApJ, 492, L139

``Ultraviolet Absorption Lines from High-Velocity Gas in the Vela Supernova Remnant: New Insights from Space Telescope Imaging Spectrograph Echelle Observations of HD 72089'', Jenkins, E.B., Tripp, T.M., Fitzpatrick, E.L., Lindler, D., Danks, A.C., Beck, T.L., Bowers, C.W., Joseph, C.L., Kaiser, M.E., Kimble, R.A, Kraemer, S.B., Robinson, R.D., Timothy, J.G., Valenti, J.A., and Woodgate, B.E. 1998, ApJ, 492, L147

``IUE Spectra and Photoionization Models of the Seyfert 2 Galaxies NGC~7674 and I~Zw~92'', Kraemer, S.B., Wu, C.-C., Crenshaw, D.M., and Harrington, J.P. 1994, ApJ, 435, 171.

``Dust in the Emission-Line Gas of the Seyfert 2 Galaxy Markarian 3, Kraemer, S.B., and Harrington, J. Patrick 1986, ApJ, 307, 478