Refereed Papers
Warm Ionized Medium Throughout the Sagittarius-Carina Arm
Krishnarao, Haffner, Benjamin, Hill, & Barger, 2017, ApJ, 838, 43
The Fan Region at 1.5 GHz. I: Polarized synchrotron emission extending beyond the Perseus Arm
Hill, Landecker, Carretti, Douglas, Sun, Gaensler, Mao, McClure-Griffiths, Reich, Wolleben, Dickey, Gray, Haverkorn, Leahy, Schnitzeler, 2017, MNRAS, 467, 4631
The Ionization Structure of Sharpless 2-264: Multiwavelength Observations of the λ Ori H II Region
Sahan & Haffner, 2016, AJ, 151, 147
Modern view of the warm ionized medium
Hill, Reynolds, Haffner, Wood, & Madsen, 2015, Highlights of Astronomy, 16, 574-575
Barnes, Wood, Hill, & Haffner, 2015, MNRAS, 447, 559-566
The geocoronal Hα cascade component determined from geocoronal Hβ intensity measurements
Roesler, Mierkiewicz, & Nossal, 2014, Journal of Geophysical Research (Space Physics), 119, 6642-6647
Photoionization and heating of a supernova-driven turbulent interstellar medium
Barnes, Wood, Hill, & Haffner, 2014, MNRAS, 440, 3027-3035
Fox, Wakker, Barger, Hernandez, Richter, Lehner, Bland-Hawthorn, Charlton, Westmeier, Thom, Tumlinson, Misawa, Howk, Haffner, Ely, Rodriguez-Hidalgo, & Kumari, 2014, ApJ, 787, 147
Hα and [S II] Emission from Warm Ionized Gas in the Scutum-Centaurus Arm
Hill, Benjamin, Haffner, Gostisha, & Barger, 2014, ApJ, 787, 106
Fossil Imprint of a Powerful Flare at the Galactic Center along the Magellanic Stream
Bland-Hawthorn, Maloney, Sutherland, & Madsen, 2013, ApJ, 778, 58
Magnetized Gas in the Smith High Velocity Cloud
Hill, Mao, Benjamin, Lockman, & McClure-Griffiths, 2013, ApJ, 777, 55
Barger, Haffner, & Bland-Hawthorn, 2013, ApJ, 771, 132
Three-dimensional Geometries and the Analysis of H II Regions
Wood, Barnes, Ercolano, Haffner, Reynolds, & Dale, 2013, ApJ, 770, 152
Barger, Haffner, Wakker, Hill, Madsen, & Duncan, 2012, ApJ, 761, 145
Erratum: ”Vertical Structure of a Supernova-driven Turbulent, Magnetized Interstellar Medium”
Hill, Joung, Mac Low, Benjamin, Haffner, Klingenberg, & Waagan, 2012, ApJ, 761, 189
Sodium atoms in the lunar exotail: Observed velocity and spatial distributions
Line, Mierkiewicz, Oliversen, Wilson, Haffner, & Roesler, 2012, Icarus, 219, 609-617
Vertical Structure of a Supernova-driven Turbulent, Magnetized Interstellar Medium
Hill, Joung, Mac Low, Benjamin, Haffner, Klingenberg, & Waagan, 2012, ApJ, 750, 104
GSH 006-15+7: a local Galactic supershell featuring transition from H I emission to absorption
Moss, McClure-Griffiths, Braun, Hill, & Madsen, 2012, MNRAS, 421, 3159-3169
Nossal, Mierkiewicz, & Roesler, 2012, Journal of Geophysical Research (Space Physics), 117, 3311
Photoionization of High-altitude Gas in a Supernova-driven Turbulent Interstellar Medium
Wood, Hill, Joung, Mac Low, Benjamin, Haffner, Reynolds, & Madsen, 2010, ApJ, 721, 1397-1403
Ionized gas in the Smith Cloud
Hill, Haffner, & Reynolds, 2009, ApJ, 703, 1832
The Warm Ionized Medium in Spiral Galaxies
Haffner, Dettmar, Beckman, Wood, Slavin, Giammanco, Madsen, Zurita, & Reynolds, 2009, Rev. Mod. Phys., 81, 969
Confirmation of a Faraday Rotation Measure Anomaly in Cygnus
Whiting, Spangler, Ingleby, & Haffner, 2009, ApJ, 694, 1452
Geocoronal hydrogen observations spanning three solar minima
Nossal, Mierkiewicz, Roesler, Haffner, Reynolds, & Woodward, 2008, JGR, 113, A11307
The Turbulent Warm Ionized Medium: Emission Measure Distribution and MHD Simulations
Hill, Benjamin, Kowal, Reynolds, Haffner, & Lazarian, 2008, ApJ, 686, 363
Determination of the Far‐Infrared Cosmic Background Using COBE DIRBE and WHAM Data
Odegard, Arendt, Dwek, Haffner, Hauser, & Reynolds, 2007, ApJ, 667, 11
A Multiwavelength Optical Emission Line Survey of Warm Ionized Gas in the Galaxy
Madsen, Reynolds, & Haffner, 2006, ApJ, 652, 401
Wood, Haffner, Reynolds, Mathis, & Madsen. 2005, ApJ, 633, 295
Madsen & Reynolds. 2005, ApJ, 630, 925
Unresolved Halpha Enhancements at High Galactic Latitude in the WHAM Sky Survey Maps
Reynolds, Chaudhary, Madsen, & Haffner. 2005, AJ, 129, 927
New Measurements of the Motion of the Zodiacal Dust
Reynolds, Madsen, & Moseley. 2004, ApJ, 612, 1206
Observations of solar cyclical variations in geocoronal Hα column emission intensities
Nossal, Roesler, Mierkiewicz, & Reynolds. 2004, GeoRL, 31, L06110
Warm ionized gas in the local interstellar medium
Reynolds. 2004, AdSpR, 34, 27
A Search for Ionized Gas in the Draco and Ursa Minor Dwarf Spheroidal Galaxies
Gallagher, Madsen, & Reynolds. 2003, ApJ, 588, 326
The Wisconsin Hα Mapper Northern Sky Survey
Haffner, Reynolds, Tufte, Madsen, Jaehnig, & Percival. 2003, ApJS, 149, 405.
Measurements of [O I] λ6300/Hα Line Intensity Ratios for Four O Star H II Regions
Hausen, Reynolds, & Haffner. 2002, AJ, 124, 3336
WHAM Observations of Hα from High-Velocity Clouds: Are They Galactic or Extragalactic?
Tufte, Wilson, Madsen, Haffner, & Reynolds. 2002, ApJ, 572, 153
Interstellar Hα Line Profiles toward HD 93521 and the Lockman Window
Hausen, Reynolds, Haffner, & Tufte. 2002, ApJ, 565, 1060
Multiwavelength observations of the M15 intermediate-velocity cloud
Smoker, Haffner, Keenan, Davies, & Pollacco. 2002, MNRAS, 337, 385
de Oliveira-Costa, Tegmark, Finkbeiner, Davies, Gutierrez, Carlos, Haffner, Jones, Aled, Lasenby, Rebolo, Reynolds, Tufte, & Watson. 2002, ApJ, 567, 363
Observations of the Extended Distribution of Ionized Hydrogen in the Plane of M31
Madsen, Reynolds, Haffner, Tufte, & Maloney. 2001, ApJ, 560, L135
Reynolds, Sterling, & Haffner. 2001, ApJ, 558, L101
A Map of the Ionized Component of the Intermediate-Velocity Cloud Complex K
Haffner, Reynolds, & Tufte. 2001, ApJ, 556, L33
Detection of [N II] 5755 Emission from Low Density Ionized Interstellar Gas
Reynolds, Sterling, Haffner, & Tufte. 2001, ApJ, 548, L221
Geocoronal Hα Intensity Measurements Using the Wisconsin Hα Mapper Fabry-Perot Facility
Nossal, Roesler, Bishop, Reynolds, Haffner, Tufte, Percival, & Mierkiewicz. 2001, JGR , 106, 5605
Otte, Reynolds, Gallagher & Ferguson. 2001, ApJ, 560, 207
Galactic Contamination in the QMAP Experiment
de Oliveira-Costa, Tegmark, Devlin, Haffner, Herbig, Miller, Page, Reynolds, & Tufte. 2000, ApJ, 542, L5
Physical Conditions, Grain Temperatures, and Enhanced Very Small Grains in Barnard’s Loop
Heiles, Haffner, Reynolds, & Tufte. 2000, ApJ, 536, 335
Observational Evidence of Supershell Blowout in GS 018-04+44: The Scutum Supershell
Callaway, Savage, Benjamin, Haffner, & Tufte, 2000, ApJ, 532, 943
Evidence for Dust Emission in the Warm Ionised Medium Using WHAM Data
Lagache, Haffner, Reynolds, & Tufte. 2000, A&A, 354, 247
Evidence for an Additional Heat Source in the Warm Ionized Medium of Galaxies
Reynolds, Haffner, & Tufte. 1999, ApJ, 525, L21
Haffner, Reynolds, & Tufte. 1999, ApJ , 523, 223
A Model for the Scattered Light Contribution and Polarization of the Diffuse Hα Galactic Background
Wood & Reynolds. 1999, ApJ, 525, 799
Identification of Low-Metallicity Gas Accreting onto the Milky Way
Wakker, Howk, Savage, van Woerden, Tufte, Schwarz, Benjamin, Reynolds, Peletier, & Kalberla. 1999, Nature, 402, 388
WHAM Observations of Hα Emission from High Velocity Clouds in the M, A, and C Complexes
Tufte, Reynolds, & Haffner. 1998, ApJ, 504, 773
Faint, Large-scale Hα Filaments in the Milky Way
Haffner, Reynolds, & Tufte. 1998, ApJ, 501, L83
Detection of [O I] 6300 Emission from the Diffuse Interstellar Medium
Reynolds, Hausen, Haffner, & Tufte. 1998, ApJ, 494, L99
Reynolds, Science, 277, 1446
The Wisconsin H-Alpha Mapper (WHAM): A Brief Review of Performance Characteristics and Early Scientific Results
Reynolds, Tufte, Haffner, Jaehnig, & Percival. 1998, Publ. Astron. Soc. Aust., 15, 14
Proceedings
The Distribution of Warm Ionized Medium in Galaxies
Haffner. 2010, ASP Conference Series, Vol. 438, The Dynamic ISM: A Celebration of the Canadian Galactic Plane Survey, eds. R. Kothes, T. L. Landecker, & A. G. Willis, p. 179
Early Results from the Wisconsin H-Alpha Mapper Southern Sky Survey
Haffner, Reynolds, Madsen, Hill, Barger, Jaehnig, Mierkiewicz, Percival, & Chopra. 2010, ASP Conference Series, Vol. 438, The Dynamic ISM: A Celebration of the Canadian Galactic Plane Survey, eds. R. Kothes, T. L. Landecker, & A. G. Willis, p. 388
The Role of Turbulence in the Warm Ionized Medium
Hill, Wood, & Haffner. 2010, ASP Conference Series, Vol. 438, The Dynamic ISM: A Celebration of the Canadian Galactic Plane Survey, eds. R. Kothes, T. L. Landecker, & A. G. Willis, p. 190
Ionization of Infalling Gas
Haffner, Duncan, Hoffman, Madsen, Hill, & Reynolds. 2008, in proceedings of “The Role of Disk-Halo Interaction in Galaxy Evolution: Outflow vs Infall?”, EAS Publication Series, in press
Ionized Gas in the Smith Cloud
Hill, Haffner, & Reynolds. 2008, in proceedings of “The Role of Disk-Halo Interaction in Galaxy Evolution: Outflow vs Infall?”, EAS Publication Series, in press
Diffuse Ionized Gas in Spiral Galaxies and the Disk-halo Interaction
Reynolds, Haffner, Madsen, Wood, & Hill. 2008, in proceedings of “The Role of Disk-Halo Interaction in Galaxy Evolution: Outflow vs Infall?”, EAS Publication Series, in press
Density Distribution of the Warm Ionized Medium
Hill, Reynolds, Benjamin, & Haffner. 2006, ASP Conference Series, Vol. 365, Small Ionized and Neutral Structures in the Diffuse Interstellar Medium, ed. M. Haverkorn & W. M. Goss, p. 250
The Ionized Component of Intermediate-Velocity Cloud Complex L
Haffner. 2005, ASP Conference Proceedings, Vol. 331, Extra-Planar Gas , ed. Robert Braun, p. 25
Surveying the Galaxy with WHAM
Reynolds, Haffner, & Madsen. 2004, ASP Conference Proceedings, Vol. 317, Milky Way Surveys: The Structure and Evolution of Our Galaxy , eds. D. Clemens, R. Shah, & T. Brainerd, p. 186
Three-Dimensional Studies of the Warm Ionized Medium in the Milky Way using WHAM
Reynolds, Haffner, & Madsen. 2002, ASP Conference Proceedings, Vol. 282, Galaxies: The Third Dimension , eds. M. Rosado, L. Binette, and L. Arias, p. 31
The Wisconsin Hα Mapper Northern Sky Survey
Madsen, Haffner, & Reynolds. 2001, ASP Conference Series, Vol. 276, Seeing Through the Dust , eds. A. R. Taylor, T. L. Landecker, and A. G. Willis, p. 96
Mapping the Galactic Free-Free Foreground via Interstellar Hα Emission
Reynolds & Haffner. 2000, ASP Conference Series, IAU Symposium #201, in press
The Wisconsin Hα Mapper Northern Sky Survey
Haffner. 2001, ASP Conference Series, Vol. 231, Tetons 4: Galactic Structure, Stars and the Interstellar Medium , eds. C.E. Woodward, M.D. Bicay, and J.M. Shull, p. 345
The WHAM Hα Mapper: A New Look at the Warm Ionized Medium
Haffner, Reynolds, & Tufte. 2000, Rev. Mex. A&A (Serie de Conf.), 9, 335
Temperature Variations and Non-photoionization Heating in the Warm Ionized Medium of Galaxies
Reynolds, Haffner, & Tufte. 2000, Rev. Mex. A&A (Serie de Conf.), 9, 249
Green Bank Workshop on Warm Ionized Gas in Galaxies
Minter, Lockman, Balser, Reynolds, Savage, Cordes, Rand, & Shull. 2000, PASP, 112, 424
Probing Intersteller Turbulence in the Warm Ionized Medium Using Emission Lines
Tufte, Reynolds, & Haffner. 1999, Proceedings of the 2nd Guillermo Haro Conference on Interstellar Turbulence held in Puebla, MX, eds. J. Franco and A. Carraminanna (Cambridge University Press)
The Gaseous ISM: Observations with the Wisconsin H-alpha Mapper (WHAM)
Reynolds, Haffner, & Tufte. 1999, ASP Conference Series, Vol. 168, New Perspectives on the Interstellar Medium , eds. A.R. Taylor, T.L. Landecker, and G. Joncas, p. 149
The Eridanus Superbubble in its Multiwavelength Glory
Heiles, Haffner, & Reynolds. 1999, ASP Conference Series Vol. 168, New Perspectives on the Interstellar Medium , eds. A.R. Taylor, T.L. Landecker, and G. Joncas, p. 211
Hα from HVCs
Tufte, Reynolds, & Haffner. 1998, ASP Conference Series, Vol. 666, Stromlo Workshop on High Velocity Clouds , eds. B.K. Gibson and M.E. Putman
Observational Evidence for the Accretion of Low-Metallicity Gas onto the Milky Way: Metallicity, Physical Conditions, and Distance Limit for HVC Complex C
Wakker, Howk, Savage, Tufte, Reynolds, van Woerden, & Schwarz. 1998, in ASP Conference Series, Vol. 666, Stromlo Workshop on High Velocity Clouds , eds. B.K. Gibson & M.E. Putman
The WHAM Hα Survey
Tufte, Reynolds, & Haffner. 1998, in Proc. of the APS, Astrophysics from Antarctica, eds. S.G. Novak & R.H. Landsberg
Orion, Eridanus, and the Assembly of Local Superbubbles
Heiles, Reynolds, Haffner, & Tufte. 1998, in Proceedings of IAU Colloquium No. 166, The Local Bubble and Beyond, eds. D. Breitschwerdt, M.J. Freyberg, & J. Trumper
Posters
2016
Winter AAS (Kissimmee, FL)
Discovery and Characterization of Large-Angular Size Ionized Nebulae with WHAM
Doze, P., Benjamin, R. A., Haffner, L. M.
WHAM observations of ionized gas in the inner Milky Way
Hill, A. S., Haffner, L. M., Benjamin, R. A., Gostisha, M., Barger, K.
The All-sky Kinematics of Diffuse Galactic H-alpha Emission from WHAM
Eagon, A., Haffner, L. M., Benjamin, R. A.
The Wisconsin H-Alpha Mapper Sky Survey
Haffner, L. M., Reynolds, R. J., Babler, B. L., Madsen, G. J., Hill, A. S., Barger, K., Jaehnig, K. P., Mierkiewicz, E. J., Percival, J. W., Chopra, N., Pingel, N., Reese, D. T., Gostisha, M., Wunderlin, J.
Physical Properties of the Magellanic Bridge Tidal Remnant through Mapped Hα, [S II], and [N II] Emission
Barger, K., Haffner, L. M.
The Extended Ionized Halos and Bridge of the Magellanic Clouds
Krishnarao, D., Smart, B., Haffner, L. M., Barger, K., Madsen, G. J., Hill, A. S., Gaensler, B. M.
Investigating the Diffuse Ionized Gas in the Magellanic Cloud System with WHAM
Smart, B., Haffner, L. M., Barger, K., Hernandez, M.
Cannibalization of Dwarf Galaxies by the Milky Way: Distance to the Leading Arm of the Magellanic Clouds
Antwi-Danso, J., Barger, K., Haffner, L. M.
Gas Flowing out of the Large Magellanic Cloud Galaxy due to Numerous Supernovae Explosions
Horn, M., Barger, K., Lehner, N., Howk, J. C., Haffner, L. M.
2015
Winter AAS (Seattle, WA)
The Ionization Source and Distance to the Magellanic Stream
Barger, K., Madsen, G. J., Fox, A., Wakker, B. P., Bland-Hawthorn, J., Nidever, D. L., Haffner, L. M., Lehner, N., Hill, A. S.
Investigating the Diffuse Ionized Gas throughout the Magellanic Cloud System with WHAM
Smart, B., Haffner, L. M., Barger, K., Madsen, G. J., Hill, A. S.
The Rediscovery of the Antlia Supernova Remnant
Orchard, A., Benjamin, R. A., Gostisha, M., Haffner, L. M., Hill, A. S., Barger, K.
2014
Winter AAS (Washington, DC)
WHAM Southern Sky Survey early results: Ionized gas in the Scutum-Centaurus Arm
Hill, A. S., Haffner, L. M., Benjamin, R. A., Gostisha, M., Barger, K.
2013
Summer AAS (Indianapolis, IN)
The Vertical Structure, Ionization, and Kinematic Structure of Spiral Arm Outflows Inside and Outside the Solar Circle
Gostisha, M., Benjamin, R. A., Haffner, L. M., Hill, A. S., Barger, K. A.
Winter AAS (Long Beach, CA)
Warm, Ionized Gas Revealed in the Magellanic Bridge Tidal Remnant: Constraining the Baryon Content and the Escaping Ionizing Photons around Dwarf Galaxies
Barger, K. A., Haffner, L. M., Bland-Hawthorn, J.
The Kinematics of Warm Ionized Gas in the Fourth Galactic Quadrant
Gostisha, M., Benjamin, R. A., Haffner, L. M., Hill, A. S., Barger, K. A.