Catherine Walsh


Publications

2017

  • Formation of methanol in TW Hya and future prospects for detecting larger complex molecules in disks with ALMA
  • Walsh, C., Vissapragada, S., & McGee, H. 2017, IAU, S332, in press

  • CO emission tracing a warp or radial flow within ~ 100 au in the HD 100546 protoplanetary disk
  • Walsh, C., Daley, C., Facchini, S., & Juhász, A. 2017, A&A, under review

  • Methanol ice co-desorption as a mechanism to explain cold methanol in the gas-phase
  • Ligterink, N. F. W., Walsh, C., Bhuin, R. G., et al. 2017, A&A, submitted

  • Probing episodic accretion in very low luminosity objects
  • Hsieh, T.-H., Murillo, N. M., Belloche, A., et al. 2017, ApJ, submitted

  • Candidate water vapor lines to locate the H2O snowline through high-dispersion spectroscopic observations. III: Sub-millimeter H216O and H218O lines
  • Notsu, S., Nomura, H., Walsh, C., et al. 2017, ApJ, submitted

  • Detecting weak spectral lines in interferometric data through matched filtering
  • Loomis, R. A., Öberg, K. I., Andrews, S.~M., et al. 2017, ApJ, submitted

  • Sulphur monoxide exposes a potential molecular disk wind from the planet-hosting disk around HD 100546
  • Booth, A., Walsh, C., Kama, M., et al. 2017, A&A, under review

  • Molecular abundances and C/O ratios in chemically evolving planet-forming disk midplanes
  • Eistrup, C., Walsh, C., & van Dishoeck, E. F. 2017, A&A, under review

  • Sensitivity analysis of grain surface chemistry to binding energies of ice species
  • Penteado, E., Walsh, C., & Cuppen, H. 2017, ApJ, 844, 71

  • ALMA unveils rings and gaps in the protoplanetary system HD 169142
  • Fedele, D., Carney, M., Hogerheijde, M. R., et al. 2017, A&A, 600, A72

  • Robustness of N2H+ as tracer of the CO snowline
  • van 't Hoff, M. R., Walsh, C., Kama, M., Facchini, S., & van Dishoeck, E. F. 2017, A&A, 599, A101

  • Negative ions in space
  • Millar, T. J., Walsh, C., & Field, T. 2017, Chem. Rev., 117, 1765

  • Grain surface models and data for astrochemistry
  • Cuppen, H. M, Walsh, C., Lamberts, T., et al. 2017, Space Sci. Rev., in press

  • Candidate water vapor lines to locate the H2O snowline through high-dispersion spectroscopic observations II: the case of a Herbig Ae star
  • Notsu, S., Nomura, H., Ishimoto, D., et al. 2017, ApJ, 836, 118

  • Complex organic molecules tracing shocks along the outflow cavity in the high-mass protostar IRAS 20126+4104
  • Palau, A., Walsh, C., Sánchez-Monge, Á., et al. 2017, MNRAS, 467, 2723

  • Water delivery from cores to disks: deuteration as a probe of the prestellar inheritance of H2O
  • Furuya, K., Drozdovskaya, M. N., Visser, R., et al. 2017, A&A, 599, A40

    2016

  • ALMA reveals the anatomy of the mm-sized dust and molecular gas in the HD 97048 disk
  • Walsh, C., Juhász, A., Meeus, G., et al. 2016, ApJ, 831, 200

  • First detection of gas-phase methanol in a protoplanetary disk
  • Walsh, C., Loomis, R. A., Öberg, K. I., et al. 2016, ApJL, 823, L10

  • Chemical complexity in protoplanetary disks in the era of ALMA and Rosetta
  • Walsh, C. 2016, EAS, 75-76, 315

  • Setting the volatile composition of (exo)planet-building material: does chemical evolution in disk midplanes matter?
  • Eistrup, C., Walsh, C., & van Dishoeck, E. F. 2016, A&A, 595, A83

  • A primordial origin for molecular oxygen in comets: a chemical kinetics study of the formation and survival of O2 from clouds to disks
  • Taquet, V., Furuya, K., Walsh, C., & van Dishoeck, E. F. 2016, MNRAS, 462, S99

  • A gap with a deficit of large grains in the protoplanetary disk around TW Hya
  • Tsukagoshi, T., Nomura, H., Muto, T., et al. 2016, ApJL, 829, L35

  • Cometary ices in forming protoplanetary disc midplanes
  • Drozdovskaya, M. N., Walsh, C., van Dishoeck, E. F., et al. 2016, MNRAS, 462, 977

  • ALMA-resolved salt emission traces the chemical footprint and inner wind morphology of VY CMa
  • Decin, L., Richards, A. M. S., Millar, T. J., et al. 2016, A&A, 592, A76

  • Candidate water vapour lines to locate the H2O snowline through high-dispersion spectroscopic observations I: the case of a T Tauri star
  • Notsu, S., Nomura, H., Ishimoto, D., et al. 2016, ApJ, 827, 113

  • ALMA observations of a gap and a ring in the protoplanetary disk around TW Hya
  • Nomura, H., Tsukagoshi, T., Kawabe, R., et al. 2016, ApJL, 819, L7

  • The chemistry and distribution of daughter species in the circumstellar envelopes of O-rich AGB stars
  • Li, X., Heays, A., Millar, T. J., et al. 2016, A&A, 588, A4

    2015

  • The molecular composition of the planet-forming regions of protoplanetary disks across the luminosity regime
  • Walsh, C., Nomura, H., & van Dishoeck, E. F. 2015, A&A, 582, A88

  • Abundant molecular oxygen in the coma of comet 67P/Churyumov-Gerasimenko
  • Bieler, A., Altwegg, K., Balsiger, H., et al. 2015, Nature, 526, 678

  • Resolving structure of the disk around HD 100546 at 7 mm with ATCA
  • Wright, C. M., Madison, S. T., Wilner, D. J., et al. 2015, MNRAS, 453, 414

  • The complex chemistry of outflow cavity walls exposed: the case of low-mass protostars
  • Drozdovskaya, M., Walsh, C., Visser, R., et al. 2015, MNRAS, 451, 3836

  • Sequential planet formation in the HD 100546 protoplanetary disk?
  • Pinilla, P., Birnstiel, T., & Walsh, C. 2015, A&A, 580, A105

  • A low-mass protostar's disk-envelope interface: disk-shadowing evidence from ALMA DCO+ observations of VLA1623
  • Murillo, N., Bruderer, S., van Dishoeck, E. F., et al. 2015, A&A, 579, A114

  • Photodesorption of H2O, HDO, and D2O ice and its impact on fractionation
  • Arasa, C., Koning, J., Kroes, G.-J., Walsh, C., & van Dishoeck, E. F. 2015, A&A, 575, A121

    2014

  • Complex organic molecules along the accretion flow in isolated and externally irradiated protoplanetary disks
  • Walsh, C., Herbst, E., Nomura, H., Millar, T. J., & Widicus Weaver, S. 2014, Faraday Discussions, 168, 389

  • Complex organic molecules in protoplanetary disks
  • Walsh, C., Millar, T. J., Nomura, H., et al. 2014, A&A, 563, A33

  • ALMA hints at the presence of two companions in the disk around HD 100546
  • Walsh, C., Juhász, A., Pinilla, P., et al. 2014, ApJL, 791, L6

  • Methanol along the path from envelope to protoplanetary disc
  • Drozdovskaya, M. N., Walsh, C., Visser, R., Harsono, D., van Dishoeck, E. F. 2014, MNRAS, 445, 913

  • Highlights from Faraday Discussion 168: Astrochemistry of Dust, Ice and Gas
  • Thrower, J. D., Ioppolo, S., & Walsh, C. 2014, Chem. Commun., 50, 13636

  • Water in low-mass star-forming regions with Herschel. The link between water gas and ice in protostellar envelopes
  • Schmalzl, M., Visser, R., Walsh, C., et al. 2014, A&A, 572, A81

  • Photodissociation and chemistry of N2 in the circumstellar envelope of carbon-rich AGB stars
  • Li, X., Millar, T. J., Walsh, C., Heays, A. N.; van Dishoeck, E. F. 2014, A&A, 568, A111

  • An end-to-end Far-infrared Interferometer Instrument Simulator (FIInS)
  • Juanola-Parramon, R., Savini, G., Fenech, D., & Walsh, C., 2014, SPIE, 9143

  • Water in protoplanetary disks
  • Nomura, H., Walsh, C., Heinzeller, D., & Millar, T. J. 2014, IAU, 293, 235

  • Cosmic rays, UV photons, and haze formation in the upper atmospheres of hot Jupiters
  • Rimmer, P., Walsh, C., & Helling, C. 2014, IAU, 299, 303

    2013

  • Molecular line emission from a protoplanetary disk irradiated externally by a nearby massive star
  • Walsh, C., Millar, T. J., & Nomura, H. 2013, ApJL, 766, L23

  • The UMIST database for astrochemistry 2012
  • McElroy, D., Walsh, C., Markwick, A. J., et al. 2013, A&A, 550, A36

  • Diagnosing gas dispersal processes in protoplanetary disks
  • Nomura, H., Walsh, C., Millar, T. J., & Aikawa, Y. 2013, ASPC, 476, 209

  • The influence of disk winds on chemical evolution of protoplanetary disks
  • Ishimoto, D., Nomura, H., Heinzeller, D., et al. 2013, ASPC, 476, 393

    2012

  • Chemical processes in protoplanetary disks. II. On the importance of photochemistry and X-ray ionization
  • Walsh, C., Nomura, H., Millar, T. J., & Aikawa, Y. 2012, ApJ, 747, 114

  • The chemistry of extragalactic carbon stars
  • Woods, P. M., Walsh, C., Cordiner, M. A., & Kemper, F. 2012, MNRAS, 426, 2689

  • Hot core chemistry in young stellar objects: protoplanetary disks and outflows
  • Nomura, H., Walsh, C., Heinzeller, D., & Millar, T. J. 2012, EAS, 52, 229

    2011

  • Chemical evolution of protoplanetary disks - the effects of viscous accretion, turbulent mixing, and disk winds
  • Heinzeller, D., Nomura, H., Walsh, C., & Millar, T. J. 2011, ApJ, 731, 115

  • Discovery of interstellar anions in Cepheus and Auriga
  • Cordiner, M. A., Charnley, S. B., Buckle, J. V., Walsh, C., & Millar, T. J. 2011, ApJL, 730, L18

    2010

  • Chemical processes in protoplanetary disks
  • Walsh, C., Millar, T. J., & Nomura, H. 2010, ApJ, 722, 1607

  • Dissociative recombination of protonated formic acid: implications for molecular cloud and cometary chemistry
  • Vigren, E., Hamberg, M., Zhaunerchyk, V. et al. 2010, ApJ, 709, 1429

  • CH abundance gradient in TMC-1
  • Suutarinen, A., Geppert, W. D., Harju, J., et al. 2011, A&A, 531, A121

  • Dissociative recombination of the acetaldehyde cation, CH3CHO+
  • Vigren, E., Hamburg, M., Zhaunerchyk, V., et al. 2010, PCCP, 12, 11670

    2009

  • The effects of molecular anions on the chemistry of dark clouds
  • Walsh, C., Harada, N., Herbst, E., & Millar, T. J. 2009, ApJ, 700, 752

  • The dissociative recombination of protonated acrylonitrile, CH2CHCNH+, with implications for the nitrile chemistry in dark molecular clouds and the upper atmosphere of Titan
  • Vigren, E., Hamberg, M., Zhaunerchyk, V., et al. 2009, ApJ, 695, 317

    2008

  • Dissociative recombination of D3S+: product branching fractions and absolute cross sections
  • Kaminska, M., Vigren, E., Zhaunerchyk, V., et al. 2008, ApJ, 681, 1717

  • Organic molecular anions in interstellar and circumstellar environments
  • Cordiner, M. A., Millar, T. J., Walsh, C., et al. 2008, IAU, 251, 157

    2007

  • Hydrocarbon anions in interstellar clouds and circumstellar envelopes
  • Millar, T. J., Walsh, C., Cordiner, M. A., Ní Chuimín, R., & Herbst, E. 2007, ApJL, 662, L87