ADS Search: Howk

Refereed Papers:

• Wavelength Accuracy of the Keck HIRES Spectrograph and Measuring Changes in the Fine Strucure Constant
  Kim Griest, Jonathan B. Whitmore, Arthur M. Wolfe, J. Xavier Prochaska, J. Christopher Howk, & Geoffrey W. Marcy
  (2010, ApJ, 708, 158)

• Properties and Origin of the High-Velocity Gas Toward the Large Magellanic Cloud
  N. Lehner, L. Stavely-Smith, & J.C. Howk
  (2009, ApJ, 702, 940)

• Strong z~0.5 O VI Absorption toward PKS 0405-123: Implications for the Ionization and Metallicity of the Cosmic Web
  J. Christopher Howk, Joseph S. Ribaudo, Nicolas Lehner, J. Xavier Prochaska, & Hsiao-Wen Chen
  (2009, MNRAS, 396, 1875)

• The Connection Between a Lyman Limit System, a Very Strong O VI Absorber, and Galaxies at z~0.203
  N. Lehner, J.X. Prochaska, H.A. Kobulnicky, K.L. Cooksey, J.C. Howk, G.M. Williger, & S.L. Cales
  (ApJ, 694, 734)

• Probing feedback in protogalaxies: multiphase gas in a DLA at z~2.4
  N. Lehner, J.C. Howk, J.X. Prochaska, & A.M. Wolfe
  (2008, MNRAS, 390, 2)

• The High-Velocity Gas Toward Messier 5: Tracing Feedback Flows in the Inner Galaxy
  William F. Zech, Nicolas Lehner, J. Christopher Howk, W. Van Dyke Dixon, & Thomas M. Brown
  (2008, ApJ, 679, 460)

• Simulating Anisotropic Thermal Conduction in Supernova Remnants II: Implications for the Interstellar Medium
  Dinshaw S. Balsara, Anthony J. Bendenelli, David A. Tilley, Andrew R. Massari, & J. Christopher Howk
  (2008, 386, 642)

• Simulating Anisotropic Thermal Conduction in Supernova Remnants I: Numerical Methods
  Dinshaw S. Balsara, David A. Tilley, & J. Christopher Howk
  (2008, 386, 627)

• Distances to Galactic High-Velocity Clouds. I. Cohen Stream, Complex GCP, Cloud G1
  B.P.Wakker D.B. York, R. Wilhelm, J.C. Barentine, P. Richter, Z. Ivezic, and J.C. Howk
  (2008, ApJ, 672, 298)

• Distances to Galactic High-Velocity Clouds. Complex C
  B.P. Wakker, D.G. York, J.C. Howk, J.C. Barentine, R. Wilhelm, R.F. Peletier, H. van Woerden, T.C. Beers, Z. Ivezic, P. Richter, & U.J. Schwarz
  (2007, ApJL, 670, L113)

• The UCSD/Keck Damped Lya Abundance Database: A Decade of High Resolution Spectroscopy
  Jason X. Prochaska, Arthur M. Wolfe, J. Christopher Howk, Eric Gawiser, Scott M. Burles, & Jeff Cooke
  (2007, ApJS, 171, 29)

• Highly Ionised Plasma in the Large Magellanic Cloud: Evidence for Outflows and a Possible Galactic Wind
  N. Lehner & J.C. Howk
  (2007, MNRAS, 377, 687)

• Strongly Variable z=1.48 Fe II and Mg II Absorption in the Spectra of z=4.05 GRB 060206
  H. Hao, K. Z. Stanek, A. Dobrzycki, T. Matheson, M. C. Bentz, J. Kuraszkiewicz, P. M. Garnavich, J. C. Howk, M. L. Calkins, G. Worthey, M. Modjaz, J. Serven
  (2007, ApJ, L99)

• Simulations of Mixed Morphology Supernova Remnants With Anisotropic Thermal Conduction
  David A. Tilley, Dinshaw S. Balsara, & J. Christopher Howk
  (2006, MNRAS, 371, 1106)

• The Metal-Strong Damped Lyman-α Systems
  Stéphane Herbert-Fort, Jason X. Prochaska, Miroslava Dessauges-Zavadsky, Sara L. Ellison, J. Chris Howk, Arthur M. Wolfe, & Gabriel E. Prochter
  (2006, PASP, 118, 1077)

• The UCSD Radio-Selected Quasar Survey for Damped Lyman-α Systems
  Regina A. Jorgenson, Arthur M. Wolfe, Jason X. Prochaska, Limin Lu, J. Christopher Howk, Jeff Cooke, Eric Gawiser, Dawn M. Gelino
  (2006, ApJ, 646, 730)

• A Method for Deriving Accurate Gas-Phase Abundances for the Multiphase Interstellar Galactic Halo
  J. Christopher Howk, Kenneth R. Sembach, & Blair D. Savage
  (2006, ApJ, 637, 333)

• Cold Neutral Gas in a z=4.2 Damped Lyman-α System: Fuel for Star Formation
  J. Christopher Howk, Arthur M. Wolfe, & Jason X. Prochaska
  (2005, ApJL, 622, L81)

• Evidence of Correlated Titanium and Deuterium Depletion in the Galactic Interstellar Medium
  Jason X. Prochaska, Todd M. Tripp, & J. Christopher Howk
  (2005, ApJL, 620, L39)

• Elemental Abundances in Two High Column Density Damped Lyman Alpha Systems at z < 1.5
  Sandhya M. Rao, Jason X. Prochaska, J. Christopher Howk, & Arthur M. Wolfe
  (2005, AJ, 129, 9)

• Probing the IGM/Galaxy Connection Toward PKS0405-123 I: UV Spectroscopy and Metal-Line Systems
  Jason X. Prochaska, Hsiao-Wen Chen, J. Christopher Howk, Ben Weiner, & John Mulchaey
  (2004, ApJ, 617, 718)

• On the Nature of the Heat Source for Damped Lyα Systems
  Arthur M. Wolfe, J. Christopher Howk, Eric Gawiser, Jason X. Prochaska, & Sebastian Lopez
  (2004, ApJ, 615, 625)

• Small-Scale Structure of O VI Interstellar Gas in the Direction of the Globular Cluster NGC 6752
  N. Lehner, & J.C. Howk
  (2004, PASP, 116, 895)

• Hubble Space Telescope Imaging of Extraplanar Dust Structures in the Edge-On Spiral NGC 4217
  Tommy W. Thompson, J. Christopher Howk, & Blair D. Savage
  (2004, AJ, 128, 662)

• Cooling in Coronal Gas in the M82 Starburst Superwind
  Charles G. Hoopes, Timothy M. Heckman, David K. Strickland, & J. Christopher Howk
  (2003, ApJL, 596, L175)

• On the Origin of the High-Ionization Intermediate-Velocity Gas Toward HD 14434
  David C. Knauth, J. Christopher Howk, Kenneth R. Sembach, James T. Lauroesch, & David M. Meyer
  (2003, ApJ, 592, 964)

• Oxygen Gas Phase Abundance Revisited
  M. K. Andre, C. M. Oliveira, J. C. Howk, R. Ferlet, J.-M. Desert, G. Hebrard, S. Lacour, A. Lecavelier des Etangs, A. Vidal-Madjar, & H. W. Moos
  (2003, ApJ, 591, 1000)

• Probing O VI Emission in the Halos of Edge-on Spiral Galaxies
  B. Otte, E. M. Murphy, J. C. Howk, Q. D. Wang, W. R. Oegerle, & K. R. Sembach
  (2003, ApJ, 591, 821)

• Ionized Gas in the First 10 Kiloparsecs of the Interstellar Galactic Halo
  J. Christopher Howk, Blair D. Savage, & Kenneth R. Sembach
  (2003, ApJ, 586, 249)

• H₂ Absorption in a Dense Interstellar Filament in the Milky Way Halo
  P. Richter, K.R. Sembach, & J.C. Howk
  (2003, A&A, 405, 1013)

• The elemental abundance pattern in a galaxy at z=2.626
  Jason X. Prochaska, J. Christopher Howk, & Arthur M. Wolfe
  (2003, Nature, 423, 57)

• Interstellar Deuterium, Nitrogen, and Oxygen Abundances Toward GD 246, WD2331-475, HZ 21, and Lan 23: Results from the FUSE Mission
  C. Oliveira, G. Herbrard, J.C. Howk, J.W. Kruk, P. Chayer, & H.W. Moos
  (2003, ApJ, 587, 235)

• Far-Ultraviolet and Hα Spectroscopy of SNR 0057-7226 in the SMC H II Region N66
  C.D. Danforth, R. Sankrit, W.P. Blair, J.C. Howk, & Y.-H. Chu
  (2003, ApJ, 586, 1179)

• Highly-Ionized Gas in the Galactic Halo: A FUSE Survey of O VI Absorption Toward 22 Halo Stars
  J. Zsargo, K.R. Sembach, J.C. Howk, & B.D. Savage
  (2002, ApJ, 586, 1019)

• Origins of the Highly Ionized Gas along the Line of Sight towards HD 116852
  Andrew J. Fox, Blair D. Savage, Kenneth R. Sembach, Dirk Fabian, Philipp Richter, David M. Meyer, James T. Lauroesch, & J. Christopher Howk
  (2003, ApJ, 582, 793)

• An Atlas of Galactic OB Spectra Observed with the Far Ultraviolet Spectroscopic Explorer
  
Anne Pellerin, Alex W. Fullerton, Carmelle Robert, J. Christopher Howk, John B. Hutchings, Nolan R. Walborn, Luciana Bianchi, Paul A. Crowther, & George Sonneborn
(2002, ApJS, 143, 159)

• FUSE Observations of Degree-Scale Variations in Galactic Halo O VI
  
J. Christopher Howk, Blair D. Savage, Kenneth R. Sembach, & Charles G. Hoopes
(2002, ApJ, 572, 264)

• The UCSD HIRES/Keck I Damped Lya Abundance Database. III. An Empirical Study of Photoionization in the Damped Lya System Toward GB1759+7539
  
Jason X. Prochaska, J. Christopher Howk, John M. O'Meara, David Tytler, Arthur M. Wolfe, David Kirkman, Dan Lubin, & Nao Suzuki
(2002, ApJ, 571, 693)

• Abundances of Deuterium, Oxygen, and Nitrogen in the Local Interstellar Medium: First Results from the Far Ultraviolet Spectroscopic Explorer
  
H.W. Moos et al. [35 authors including J.C. Howk]
(2002, ApJS, 140, 3)

• Interstellar Deuterium, Nitrogen, and Oxygen Abundances Toward HZ 43A: Results from the Far Ultraviolet Spectroscopic Explorer (FUSE) Mission
  
J.W. Kruk, J.C. Howk, et al.
(2002, ApJS, 140, 19)

• Deuterium and Oxygen Toward Feige 110: Results from the Far Ultraviolet Spectroscopic Explorer (FUSE) Mission
  
S.D. Friedman, J.C. Howk, et al.
(2002, ApJS, 140, 37)

• Interstellar Deuterium, Nitrogen, and Oxygen Abundances Toward BD +28 4211: Results from the Far Ultraviolet Spectroscopic Explorer (FUSE) Mission
  
G. Sonneborn et al. [25 authors including J.C. Howk]
(2002, ApJS, 140, 51)

• Deuterium Abundance Toward G191-B2B: Results from the Far Ultraviolet Spectroscopic Explorer (FUSE) Mission
  
M. Lemoine et al. [22 authors including J.C. Howk]
(2002, ApJS, 140, 67)

• Deuterium Toward the White Dwarf WD 0621-376: Resutls from the Far Ultraviolet Spectroscopic Explorer (FUSE) Mission
  
N. Lehner, C. Gry, K.R. Sembach, G. Hebrard, P. Chayer, H.W. Moos, J.C. Howk, J.-M. Desert
(2002, ApJS, 140, 81)

• The Global Content, Distribution, and Kinematics of Interstellar O VI in the Large Magellanic Cloud
  
J. Christopher Howk, Kenneth R. Sembach, Blair D. Savage, Derck Massa, Scott D. Friedman, & Alex W. Fullerton
(2002, ApJ, 569, 214)

• A FUSE Survey of Interstellar O VI Absorption in the Small Magellanic Cloud
  
Charles G. Hoopes, Kenneth R. Sembach, J. Christopher Howk, Blair D. Savage, & Alex W. Fullerton
(2002, ApJ, 569, 233)

• An Atlas of FUSE Sight Lines Toward the Magellanic Clouds
  
Charles W. Danforth, J. Christopher Howk, Alex W. Fullerton, William P. Blair, Kenneth R. Sembach
(2002, ApJS, 139, 81)

• Far Ultraviolet Spectroscopic Explorer Observations of Intergalactic and Interstellar Absorption Toward 3C273
  
Kenneth R. Sembach, J. Christopher Howk, Blair D. Savage & J. Michael Shull
(2001, ApJ, 561, 573)

• Observations of O VI Emission from the Diffuse Interstellar Medium
  
R.L. Shelton et al. [25 authors including J.C. Howk]
(2001, ApJ, 560, 730)

• Spectroscopic Classification of 42 LMC OB Stars: Selection of Probes for the Hot Gaseous Halo of the LMC
  
Elizabeth G. Jaxon, Martin A. Guerrero, J. Chris Howk, Nolan R. Walborn, You-Hua Chu, & Bart P. Wakker
(2001, PASP, 113, 1130)

• FUSE Observations of a Supernova Remnant in the Line of Sight to HD 5980 in the Small Magellanic Cloud
  
Charles G. Hoopes, Kenneth R. Sembach, J. Christopher Howk, & William P. Blair
(2001, ApJL, 558, L35)

• Ionization Properties and Elemental Abundances in Damped Lyα Systems
  
Giovanni Vladilo, Miriam Centurion, Piercarlo Bonifacio, & J. Christopher Howk
(2001, ApJ, 557, 1007)

• STIS and GHRS Observations of Warm and Hot Gas Overlying the Scutum Supershell (GS 018-04+44)
  
Blair D. Savage, Kenneth R. Sembach, & J. Christopher Howk
(2001, ApJ, 547, 907)

• FUSE Observations of Molecular Hydrogen in the Leading Arm of the Magellanic Stream
  
Kenneth R. Sembach, J. Christopher Howk, Blair D. Savage, & J. Michael Shull
(2001, AJ, 121, 992)

• Empirical Verification of the Fe II Oscillator Strengths in the FUSE Bandpass
  
J. Christopher Howk, Kenneth R. Sembach, Katherine C. Roth, & Jeffrey W. Kruk
(2000, ApJ, 544, 867)

• The Abundance of Interstellar Boron
  
J. Christopher Howk, Kenneth R. Sembach, & Blair D. Savage
(2000, ApJ, 543, 278)

• No Diffuse H2 in the Metal Deficient Galaxy I Zw 18
  
A. Vidal-Madjar et al. [14 authors including J.C. Howk]
(2000, ApJ, 538, L77)

• FUSE Observations of Interstellar Gas Towards the LMC Star Sk-67 05
  
S.D. Friedman, J.C. Howk et al.
(2000, ApJ, 538, L35)

• Stagnation and Infall in the Stellar Wind of τ Scorpii
  
J. Christopher Howk, Joseph P. Cassinelli, Jon E. Bjorkman, & Henny J.G.L.M. Lamers
(2000, ApJ, 534, 348)

• Background and Scattered Light Subtraction in the High-Resolution Echelle Modes of the Space Telescope Imaging Spectrograph
  
J. Christopher Howk & Kenneth R. Sembach
(2000, AJ, 119, 2481)

• An Empirical Test of the Mg II 1240 Doublet Branching Ratio and Oscillator Strength
  
Ulysses J. Sofia, Dirk Fabian, & J. Christopher Howk
(2000, ApJ, 531, 384)

• The Multiphase Halo of NGC 891: WIYN Hα and BVI Imaging
  
J. Christopher Howk & Blair D. Savage
(2000, AJ, 119, 644)

• Modeling the Warm Ionized Interstellar Medium and Its Impact on Elemental Abundance Studies
  
Kenneth R. Sembach, J. Christopher Howk, Robert S.I. Ryans, & Francis P. Keenan
(2000, ApJ, 528, 310)

• Accretion of Low-Metallicity Gas the Milky Way
  
B.P. Wakker, J.C. Howk, B.D. Savage, S.L. Tufte, R.J. Reynolds, R. Benjamin, H. van Woerden, U.J. Schwarz, R.F. Peletier, & P.M.W. Kalberla
(1999, Nature, 402, 388)

• Abundances and Physical Conditions in the Interstellar Gas Towards μ Columbae
  
J. Christopher Howk, Blair D. Savage, & Dirk Fabian
(1999, ApJ, 525, 253)

• Ionized Gas in Damped Lyman-α Systems and Its Effects on Elemental Abundance Studies
  
J. Christopher Howk & Kenneth R. Sembach
(1999, ApJ, 523, L141)

• Dust in the Ionized Medium of the Galaxy: GHRS Measurements of Al III and S III
  
J. Christopher Howk & Blair D. Savage
(1999, ApJ, 517, 746)

• A Search for Extraplanar Dust in NearEdge-On Spirals
  
J. Christopher Howk & Blair D. Savage
(1999, AJ, 117, 2077)

• Echelle Spectroscopy of Interstellar Absorption Toward μ Columbae with the Goddard High Resolution Spectrograph
  
J.C. Brandt et al. [21 authors including J.C. Howk]
(1999, AJ, 117, 400)

• Coronal C⁺³ in the Large Magellanic Clouds: Evidence for a Hot Halo
  
Bart Wakker, J. Chris Howk, You-Hua Chu, Dominik Bomans & Sean Points
(1998, ApJ, 499, L87)

• A Search for Optical Afterglow from GRB970828
  
P.J. Groot et al. [21 authors including C. Howk]
(1997, ApJ, 493, L27)

• Extraplanar Dust in the Edge-On Spiral NGC 891
  
J. Christopher Howk & Blair D. Savage
(1997, AJ, 114, 2463)

• The Distance to Two Neutral Hydrogen Clouds: The High-Velocity Complex A and the Low-Latitude Intermediate-Velocity Cloud

Bart Wakker, Chris Howk, Ulrich Schwarz, Hugo van Woerden, Timothy Beers, Ronald Wilhelm, Peter Kalberla & Laura Danly
(1996, ApJ, 473, 834)

 

Extraplanar Dust in Nearby Edge-On Galaxies (23 MB gzipped file)
J. Christopher Howk
1999, Ph.D. Thesis, University of Wisconsin-Madison
Advisor: Blair D. Savage

 

• Extraplanar Dust in Spiral Galaxies: Tracing Outflows in the Disk-Halo Interface
  J. Christopher Howk
  (Proceedings of the The Role of Disk-Halo Interaction in Galaxy Evolution: Outflow vs. Infall?, 18-22 August, 2008; Espinho, Portugal; ed. M. de Avillez)
  

• Extraplanar Dust: a Tracer of Cold Dense Gas in the Thick Disks of Spiral Galaxies
  J. Christopher Howk
  (Proceedings of the Extra-planar Gas Conference, June 7-11, 2004, Dwingeloo; ed. R. Braun)