Publications
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  • Refereed
  • Luminous Infrared Galaxies with the Submillimeter Array: II. High Angular Resolution Observations of Warm Molecular Gas in VV114
    Petitpas, G., Wilson, C., Iono, D., Peck, A., Krips, M., Warren, B., Baker, A., Yun, M., Pihlstrom, Y., Mihos, C., Matsushita, S., Juvela, M., Ho, P., Cox, T.J., Armus, L., 2006, in prep.

  • High Resolution Observations of the Warm Molecular Ring of NGC 7331
    Petitpas, G., Peck, A.B., Iono, D., Wilson, C.D., Baker, A.J., Sakamoto, K., Matsushita, S., Krips, M., Ho, P.T.P., 2006, in prep.

  • Warm Gas and Temperature Gradients in the Giant Molecular Associations of the Antennae (NGC 4038/9)
    Iono, D., Petitpas, G., Peck, A., Wilson, C., Matsushita, S., Sakamoto, K., Wang, J., Ho, P., Zhang, Q., Rots, A., Wang, Z., Yun, M., & Surace, J., 2006, in prep.

  • Resolved Dust Emission in a Quasar at z = 3.65
    Clements, D.L., Petitpas, G., Farrah, D., Hatziminaoglou, E., Babbedge, T., Rowan-Robinson, M., Perez-Fournon, I., Hernan-Caballero, A., Castro-Rodriguez, N., Lonsdale, C., Surace, J., Franceschini, A., Wilkes, B.J., and Smith, H. 2009, ApJ, 698, L188

  • Luminous Infrared Galaxies with the Submillimeter Array. II. Comparing the CO (3-2) Sizes and Luminosities of Local and High-Redshift Luminous Infrared Galaxies
    Iono, D., Wilson, C.D., Yun, M.S., Baker, A.J., Petitpas, G.R., Peck, A.B., Krips, M., Cox, T.J., Matsushita, S., Mihos, J.C., and Pihlstrom, Y. 2009, ApJ, 695, 1537

  • Disentangling the Circumnuclear Environs of Centaurus A. I. High-Resolution Molecular Gas Imaging
    Espada, D., Matsushita, S., Peck, A., Henkel, C., Iono, D., Israel, F.P., Muller, S., Petitpas, G., Pihlstrom, Y., Taylor, G.B., and Dinh-V-Trung 2009, ApJ, 695, 116

  • The James Clerk Maxwell Telescope Nearby Galaxies Legacy Survey. I. Star-Forming Molecular Gas in Virgo Cluster Spiral Galaxies
    Wilson, C.D., Warren, B.E., Israel, F.P., Serjeant, S., Bendo, G., Brinks, E., Clements, D., Courteau, S., Irwin, J., Knapen, J.H., Leech, J., Matthews, H.E., Muhle, S., Mortier, A.M.J., Petitpas, G., Sinukoff, E., Spekkens, K., Tan, B.K., Tilanus, R.P.J., Usero, A., van der Werf, P., Wiegert, T., and Zhu, M. 2009, ApJ, 693, 1736

  • SMA 12CO(J = 6-5) and 435 um Interferometric Imaging of the Nuclear Region of Arp 220
    Matsushita, S., Iono, D., Petitpas, G.R., Chou, R.C.-Y., Gurwell, M.A., Hunter, T.R., Muller, J.L.S., Peck, A.B., Sakamoto, K., Sawada Satoh, S., Wiedner, M.C., Wilner, D.J., and Wilson, C.D. 2009, ApJ, 693, 56

  • The Physical Scale of the Far-Infrared Emission in the Most Luminous Submillimeter Galaxies
    Younger, J.D., Fazio, G.G., Wilner, D.J., Ashby, M.L.N., Blundell, R., Gurwell, M.A., Huang, J.-S., Iono, D., Peck, A.B., Petitpas, G.R., Scott, K.S., Wilson, G.W., and Yun, M.S. 2008, ApJ, 688, 59

  • Luminous Infrared Galaxies with the Submillimeter Array. I. Survey Overview and the Central Gas to Dust Ratio
    Wilson, C.D., Petitpas, G.R., Iono, D., Baker, A.J., Peck, A.B., Krips, M., Warren, B., Golding, J., Atkinson, A., Armus, L., Cox, T.J., Ho, P., Juvela, M., Matsushita, S., Mihos, J.C., Pihlstrom, Y., and Yun, M.S. 2008, ApJS, 178, 189

  • Submillimeter Array Imaging of the CO(3-2) Line and 860 um Continuum of Arp 220: Tracing the Spatial Distribution of Luminosity
    Sakamoto, K., Wang, J., Wiedner, M.C., Wang, Z., Peck, A.B., Zhang, Q., Petitpas, G.R., Ho, P.T.P., and Wilner, D.J. 2008, ApJ, 684, 957

  • Results from an Extensive Simultaneous Broadband Campaign on the Underluminous Active Nucleus M81*: Further Evidence for Mass-scaling Accretion in Black Holes
    Markoff, S., Nowak, M., Young, A., Marshall, H.L., Canizares, C.R., Peck, A., Krips, M., Petitpas, G., Schodel, R., Bower, G.C., Chandra, P., Ray, A., Muno, M., Gallagher, S., Hornstein, S., and Cheung, C.C. 2008, ApJ, 681, 905

  • Clarifying the nature of the brightest submillimetre sources: interferometric imaging of LH850.02
    Younger, J.D., Dunlop, J.S., Peck, A.B., Ivison, R.J., Biggs, A.D., Chapin, E.L., Clements, D.L., Dye, S., Greve, T.R., Hughes, D.H., Iono, D., Smail, I., Krips, M., Petitpas, G.R., Wilner, D., Schael, A.M., and Wilson, C.D. 2008, MNRAS, 387, 707

  • Luminous infrared galaxies with the submillimeter array: probing the extremes of star formation
    Wilson, C.D., Petitpas, G.R., Iono, D., Peck, A., Krips, M., Warren, B.E., Baker, A.J., Yun, M.S., Pihlstrom, Y., Mihos, C., Matsushita, S., Juvela, M., Ho, P.T.P., Cox, T.J., and Armus, L. 2008, Ap&SS, 313, 297

  • Evidence for a Population of High-Redshift Submillimeter Galaxies from Interferometric Imaging
    Younger, J.D., Fazio, G.G., Huang, J.-S., Yun, M.S., Wilson, G.W., Ashby, M.L.N., Gurwell, M.A., Lai, K., Peck, A.B., Petitpas, G.R., Wilner, D.J., Iono, D., Kohno, K., Kawabe, R., Hughes, D.H., Aretxaga, I., Webb, T., Martinez-Sansigre, A., Kim, S., Scott, K.S., Austermann, J., Perera, T., Lowenthal, J.D., Schinnerer, E., and Smolcic, V. 2007, ApJ, 671, 1531

  • High-Resolution Submillimeter Imaging of the Ly(alpha) Blob 1 in SSA 22
    Matsuda, Y., Iono, D., Ohta, K., Yamada, T., Kawabe, R., Hayashino, T., Peck, A.B., and Petitpas, G.R. 2007, ApJ, 667, 667

  • High-Resolution Imaging of Warm and Dense Molecular Gas in the Nuclear Region of the Luminous Infrared Galaxy NGC 6240
    Iono, D., Wilson, C.D., Takakuwa, S., Yun, M.S., Petitpas, G.R., Peck, A.B., Ho, P.T.P., Matsushita, S., Pihlstrom, Y.M., and Wang, Z. 2007, ApJ, 659, 283

  • Luminous Infrared Galaxies with the Submillimeter Array: I. Survey Overview and the Central Gas to Dust Ratio
    Wilson, C., Petitpas, G., Iono, D., Peck, A., Krips, M., Warren, B., Baker, A., Yun, M., Pihlstrom, Y., Mihos, C., Matsushita, S., Juvela, M., Ho, P., Cox, T.J., Armus, L., 2006,

  • Interferometric 890 micron Images of High Redshift Submillimeter Galaxies
    Iono, D., Peck, A.B., Pope, A., Borys, C., Scott, D., Wilner, D., Gurwell, M., Ho, P., Yun, M., Matsushita, S., Petitpas, G., Dunlop, J., Elvis, M., Blain, A., LeFloc'h, E., Dey, A., Jannuzi, B., 2006, ApJ, 640, L1 (click to view PDF, 950k)

  • Deep Impact: Observations from a Worldwide Earth-Based Campaign
    Meech, K.J., et al., 2005, Science, 310, 265 (click to view PDF, 486k)

  • A High-Resolution Mosaic of Molecular Gas in Stephan's Quintet
    Petitpas, G. R., & Taylor C. L., 2005, ApJ, 633, 138 (click to view PDF, 518k)

  • Molecular Gas in Candidate Double Barred Galaxies III: A Lack of CO Emission?
    Petitpas, G.R., Wilson, C.D. 2004, ApJ, 603, 495 (Click to view paper in postscript (395k), pdf (192k); also available at astro-ph/0401395).

  • Molecular Gas in Candidate Double Barred Galaxies II: Cooler Gas in Nuclear Bars
    Petitpas, G.R., Wilson, C.D. 2003, ApJ, 587, 649 (Click to view paper in postscript (1.5M), pdf (376k), or dvi (77k); also available at astro-ph/0301116).

  • Molecular Gas in Condidate Double Barred Galaxies I: The Diverse Morphology and Dynamics of 2273 and NGC 5728
    Petitpas, G.R., Wilson, C.D. 2002, ApJ, 575, 814. (Click to view paper in postscript (1.4M), PDF (413k), or dvi (85k) format; also available at ApJ or astro-ph/0204413)

  • Temperature and Density Gradients Across the Nucleus of M82
    Petitpas, G.R., Wilson, C.D. 2000, ApJL, 538, L117. (Click to view paper in postscript (245k), pdf (253k), or dvi (25k); also available at ApJ Letters or astro-ph/0006214)

  • The Physical Conditions and Dynamics of the Interstellar Medium in the Nucleus of M83: Observations of CO and CI
    Petitpas, G.R., Wilson, C.D. 1998, ApJ, 503, 219. (Click to view abstract, 44k) (Click to view paper in postscript (940k), colour pdf (524k), b/w pdf (1.2M), or dvi (57k) format; also available at ApJ or astro-ph/9803230)

  • The Effect of Star Formation on Molecular Clouds in Dwarf Irregular Galaxies: IC 10 and NGC 6822
    Petitpas, G.R., Wilson, C.D. 1998, ApJ, 496, 226. (Click to view abstract, 46k) (Click to view paper in postscript (418k), pdf (594k) or dvi (68k) format; also available at ApJ or astro-ph/9710225 )

  • Unveiling Palomar 2: The Most Obscure Globular Cluster in the Outer Halo
    William E. Harris, Patrick R. Durrell, Glen R. Petitpas, Tracy M. Webb, and Sean C. Woodworth 1997, AJ, 114, 1043 (get pdf (1.31Mb): also available at astro-ph/9707049 or NASA ADS).

  • Cosmic Ray Mediated Oblique Magnetohydrodynamical Shocks: Analytical and Numerical Solutions
    Clarke, D.A., Petitpas, G.R., & Dursi, L.J., 1997 (submitted to ApJ). (Click to view abstract, 20k)

  • Unrefereed

  • Project tracking at the Submillimeter Array: from proposals to publication
    Katz, C., Petitpas, G., Gurwell, M., Peck, A., and Wilner, D. 2008, SPIE, 7016,

  • SMA CO J = 3 - 2 Observations of the Antennae (NGC 4038/39)
    Petitpas, G., Iono, D., Peck, A., Wilson, C., Matsushita, S., Sakamoto, K., Wang, J., Ho, P., Zhang, Q., Rots, A., Wang, Z., Yun, M., and Surace, J. 2007, ASPC, 375, 267

  • Astrometric Imaging of High-Redshift Galaxies at 345 GHz
    Peck, A.B., Iono, D., Petitpas, G.R., Pope, A., Borys, C., Dunlop, J.S., Krips, M., and Wilner, D.J. 2007, ASPC, 375, 263

  • Differential Lensing Effects in High-z Sources: Constraining the Size and Shape of the Emitting Regions
    Krips, M., Neri, R., Eckart, A., Barvainis, R., Peck, A., Downes, D., Planesas, P., Mart{\'{\i}}n-Pintado, J., Iono, D., and Petitpas, G. 2007, ASPC, 375, 250

  • Warm Gas and Temperature Gradients in the Giant Molecular Associations of the Antennae (NGC 4038/9)
    Petitpas, G., Iono, D., Peck, A., Wilson, C., Matsushita, S., Sakamoto, K., Wang, J., Ho, P., Zhang, Q., Rots, A., Wang, Z., Yun, M., & Surace, J., to appear in the Protostars and Planets V book. (click to view PDF 134 k)

  • Lots in Translation: A Revised Center Location for the CARMA C/D/E Arrays Petitpas, G. R., 2004, CARMA Memo #23, available online at www.mmarray.org

  • The Dark Matter Content of Barred Spiral Galaxies Petitpas, G. R., Das, M., Teuben, P. J., & Vogel, S. N., 2003, to appear the in proceedings of the 25th IAU Annual General Meeting, Session 220. (Click to view PS, 976 k; PDF, 164 k)

  • CARMA Configurations for Cedar Flat Using a 5-Arm Star Array Petitpas, G. R., & Mundy, L. G., 2003, CARMA Memo #15, available online at www.mmarray.org

  • Hybid Star/Optimal CARMA Configurations for Cedar Flat Petitpas, G. R., 2003, CARMA Memo #16, available online at www.mmarray.org

  • Atomic Carbon in Starburst Galaxies: Missing CI (J=1-0) in the Centre of M82
    Petitpas, G.R., & Wilson, C.D., 2001 to appear in ``The Promise of FIRST'' (G.L. Pilbratt, J. Cernicharo, A.M. Heras, T. Prusti, & R. Harris eds, ESA SP-460, 2001). (Click to view paper, 446 k)

  • Molecular Gas Inflow in Barred Galaxies: Fueling Starbursts and Active Galactic Nuclei with Double Bars
    Petitpas, G.R., & Wilson, C.D., 2000 in ``Star formation from the small to the large scale'' (F. Favata, A.A. Kaas & A. Wilson eds., ESA SP-445, 2000). (Click to view paper, 1.6M)

  • Dynamics, Distribution, and Amount of Molecular Gas in Galaxies with NIR Isophote Twists: NGC 5728 and NGC 2273
    Petitpas, G.R., Wilson, C.D., 1999, Cassiopeia Online, September 1999 issue, No. 102.


  • Posters
  • Luminous Infrared Galaxies with the Submillimeter Array: High Angular Resolution Observations of Warm Molecular Gas in VV 114
    Petitpas, G.R., Wilson, C.D., Iono, D., Krips, M., Peck, A., Warren, B., Baker, A., Yun, M.S., Pihlstrom, Y., Mihos, C., Matsushita, S., Juvela, M., Ho, P.T.P., Cox, T., and Armus, L. 2009, AAS, 41, 327

  • SMA/AzTEC Observations of Submillimeter Galaxies in the Cosmos Field
    Huang, J., Fazio, G., Younger, J., Wilner, D., Yun, M., Wilson, G., Webb, T., Gurwell, M., Lai, K., Peck, A., Petitpas, G., Iono, D., Kohno, K., Kawabwe, R., Sanders, D., Hughes, D., Martinez-Sansiger, A., and Kim, S. 2007, AAS, 38, 325

  • A HCN and HCO+ Multi-transition Line Survey in Active Galaxies: AGN versus Starburst Environments
    Krips, M., Neri, R., Garcia-Burillo, S., Combes, F., Martin, S., Eckart, A., Petitpas, G., and Peck, A. 2006, AAS, 38, 1060

  • SCONES: Determining the Warm Gas Properties of Nearby Galaxies
    Petitpas, G.R., Wilson, C.D., Baker, A.J., Iono, D., Peck, A.B., Sakamoto, K., Krips, M., Ho, P.T., and Matsushita, S. 2006, AAS, 38, 918

  • SMA Observations of Warm Molecular Gas in Nearby Galaxies
    Petitpas, G.R., Peck, A.B., Iono, D., Wilson, C.D., Matsushita, S., Krips, M., and Ho, P.T.P. 2005, AAS, 37, 1258

  • Astrometric Imaging of High Redshift Galaxies at 345 GHz
    Peck, A.B., Iono, D., Petitpas, G.R., Pope, A., Borys, C., Dunlop, J.S., Krips, M., and Wilner, D.J. 2005, AAS, 37, 1193

  • Warm, Optically Thin Molecular Gas in Nearby Galaxies: NGC 2903 & NGC 3627
    Petitpas, G., Peck, A., Iono, D., Ho, P., Matsushita, S., Wilson, C., Krips, M., 2005, AAS 206 Minneapolis, 3806 (Click to view poster,JPEG, 1.2M )

  • BIMA CO (1-0) Observations of the Dwarf Elliptical Galaxy NGC 404
    Taylor, C. L., & Petitpas, G. R., 2004, AAS 205 San Diego, 9303 (Click to view poster,PDF, 530k )

  • Dense Molecular Gas in the Tidal Tail of Stephan's Quintet
    Petitpas, G. R., & Taylor C. L. 2003, 4th Cologne-Bonn-Zermatt-Symposium on the Dense Interstellar Medium in Galaxies, Zermatt, Switzerland (Click to view poster,PDF, 13M)

  • The Dark Matter Content of Barred Spiral Galaxies
    Petitpas, G. R., Das, M., Teuben, P. J., Vogel, S. N., 2003, 25th General assembly of the International Astronomical Union (IAUXXV), Sydney, Australia. (Click to view poster,PDF, 4.3M)

  • The Future of the 211-276 GHz Band at the James Clerk Maxwell Telescope
    Petitpas, G., Plume, R., Wilson, C., Feldman, P., & Mitchell, G. 2002, Chemistry as a Diagnostic for Star Formation, Waterloo, ON (Click to view poster,PDF, 3.1M)

  • Cooler Gas in Double-Barred Galaxies with Centrally Concentrated Molecular Gas Distributions
    Petitpas, G.R., Wilson, C.D., 2002, AAS 2002, Washington, DC (Click to view poster,PDF, 660k)

  • Q: Do Molecular Gas Properties Determine the Nuclear CO Morphology in Double Barred Galaxies? (A: No) (Erratum A: YES)
    Petitpas, G.R., Wilson, C.D., 2001, CASCA 2001, Hamilton, Ontario (Click to view poster,PDF, 900k)

  • Molecular Gas Inflow in Barred Galaxies: Fueling Starbursts and Active Galactic Nuclei with Double Bars
    Petitpas, G.R., Wilson, C.D., 1999, 33rd ESLAB Symposium, ESTEC, Noordwijk, The Netherlands (Click to view paper version, 1.6M)

  • Dynamics, Distribution, and Amount of Molecular Gas in Galaxies with NIR Isophote Twists: NGC 5728 and NGC 2273*
    Petitpas, G.R., Wilson, C.D., 1999, CASCA, Halifax, N.S. (Click to view abstract, or view the whole poster.)
    *Won `Best Student Poster' Award

  • Physical Conditions of Molecular Clouds in Unusual Environments: Starburst and Low-Metallicity Galaxies
    Petitpas, G.R., Wilson, C.D. 1998, Protostars and Planets IV, Santa Barbara, California, U.S.A.

  • Physical Conditions in the Starburst Galaxy M83: Observations of CI and CO
    Petitpas, G.R., Wilson, C.D. 1997, International Workshop, Photodissociation and Photochemistry in the Interstellar Medium: Submillimeter Spectroscopy of Neutral Carbon. Boston, Mass., U.S.A. (Click to view abstract, 44k)

  • Physical Conditions of the Molecular Clouds in the Irregular Galaxies IC 10 and NGC 6822
    Petitpas, G.R., Wilson, C.D. AAS 1996, Toronto Ont. 1996, BAAS, 28, 1358. (Click to view abstract, 35k)

  • Physical Conditions of the Molecular Clouds in the Irregular Galaxies IC 10 and NGC 6822
    Wilson, C.D., & Petitpas, G.R., CASCA 1996, Kingston Ont. and Second Naramata Summer School on the Interstellar Medium 1996, Naramata B.C. 1996, JRASC, vol 90, no 5/6, pg 328. (Click to view abstract, 34k)


  • Theses
  • Steady State Solutions to the Oblique CR-MHD Jump-Shock Conditions
    G. R. Petitpas, 1995, B.Sc. Saint Mary's University (Click to view thesis, 185k, no figures yet.)

  • The Interstellar Medium Near Star Forming Regions
    G. R. Petitpas 1997, M.Sc. McMaster University (Click to view thesis, 2236k)

  • Molecular Gas in Barred Galaxy Nuclei
    G. R. Petitpas 2001, Ph.D. McMaster University (Click to view thesis, 18 Mb; or view individual chapters)


  • Updated July 28, 2009, by Glen Petitpas