Tom Millar

Professor

  • Room 02.020 - New Physics

    United Kingdom

1975 …2020

Research output per year

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Research Output

2020

Chemistry in carbon-rich protoplanetary disks: Effect of carbon grain destruction

Wei, C. E., Nomura, H., Lee, J. E., Ip, W. H., Walsh, C. & Millar, T. J., 13 Jan 2020, In : Proceedings of the International Astronomical Union. p. 289-290 2 p.

Research output: Contribution to journalArticle

2019

Discovery of an au-scale Excess in Millimeter Emission from the Protoplanetary Disk around TW Hya

Tsukagoshi, T., Muto, T., Nomura, H., Kawabe, R., Kanagawa, K. D., Okuzumi, S., Ida, S., Walsh, C., Millar, T. J., Takahashi, S. Z., Hashimoto, J., Uyama, T. & Tamara, M., 06 Jun 2019, In : The Astrophysical Journal. Letters. 878, 1, 6 p., L8.

Research output: Contribution to journalArticle

Open Access
File
4 Citations (Scopus)
86 Downloads (Pure)

Dust continuum emission and the upper limit fluxes of sub-millimeter water lines of the protoplanetary disk around HD 163296 observed by ALMA

Notsu, S., Akiyama, E., Booth, A., Nomura, H., Walsh, C., Hirota, T., Honda, M., Tsukagoshi, T. & Millar, T. J., 19 Apr 2019, In : The Astrophysical Journal. 875, 2, 11 p., 96.

Research output: Contribution to journalArticle

Open Access
File
3 Citations (Scopus)
131 Downloads (Pure)

Measurements of Low Temperature Rate Coefficients for the Reaction of CH with CH2O and Application to Dark Cloud and AGB Stellar Wind Models

West, N. A., Millar, T. J., Van de Sande, M., Rutter, E., Blitz, M. A., Decin, L. & Heard, D. E., 10 Nov 2019, In : The Astrophysical Journal. 885, p. 134 11 p., 134.

Research output: Contribution to journalArticle

Open Access
File
45 Downloads (Pure)

The chemistry in clumpy AGB outflows

Van De Sande, M., Sundqvist, J. O., Millar, T. J., Keller, D. & Decin, L., 01 Dec 2019, In : Proceedings of the International Astronomical Union. p. 531-532 2 p.

Research output: Contribution to journalArticle

The effect of carbon grain destruction on the chemical structure of protoplanetary disks

Wei, C-E., Nomura, H., Lee, J-E., Ip, W-H., Walsh, C. & Millar, T. J., 16 Jan 2019, In : The Astrophysical Journal. 870, 2, 21 p., 129.

Research output: Contribution to journalArticle

Open Access
File
2 Citations (Scopus)
123 Downloads (Pure)

The Impact of UV Radiation on Circumstellar Chemistry

Saberi, M., Vlemmings, W., Millar, T. & De Beck, E., 30 Dec 2019, In : Proceedings of the International Astronomical Union. p. 191-195 5 p.

Research output: Contribution to journalArticle

The Role of Internal Photons on the Chemistry of the Circumstellar Envelopes of AGB Stars

Van de Sande, M. & Millar, T. J., 01 Mar 2019, In : The Astrophysical Journal. 873, 7 p., 36.

Research output: Contribution to journalArticle

Open Access
File
1 Citation (Scopus)
117 Downloads (Pure)
2018

ALMA observations of sulfur-bearing molecules in protoplanetary disks

Nomura, H., Higuchi, A., Sakai, N., Yamamoto, S., Nagasawa, M., Tanaka, K. K., Miura, H., Nakamoto, T., Tanaka, H., Yamamoto, T., Walsh, C. & Millar, T. J., Aug 2018, In : Proceedings of the International Astronomical Union. 14, p. 360-361 2 p.

Research output: Contribution to journalArticle

Astrochemistry VII - Through the Cosmos from Galaxies to Planets

Cunningham, M. (ed.), Millar, T. (ed.) & Aikawa, Y. (ed.), Oct 2018, Cambridge: Cambridge University Press. 462 p.

Research output: Book/ReportBook

Candidate Water Vapor Lines to Locate the H2O Snowline through High-dispersion Spectroscopic Observations. III. Submillimeter H2 16O and H2 18O Lines

Notsu, S., Nomura, H., Walsh, C., Honda, M., Hirota, T., Akiyama, E. & Millar, T. J., 08 Mar 2018, In : The Astrophysical Journal. 855, 16 p., 62.

Research output: Contribution to journalArticle

Open Access
File
4 Citations (Scopus)
135 Downloads (Pure)

Determining the effect of a non-uniform AGB outflow on its chemistry

Van De Sande, M., Sundqvist, J. O., Millar, T. J. & Decin, L., 13 Sep 2018, In : Proceedings of the International Astronomical Union. 13, S332, p. 43-46

Research output: Contribution to journalArticle

Determining the effects of clumping and porosity on the chemistry in a non-uniform AGB outflow

Van de Sande, M., Sundqvist, J. O., Millar, T. J., Keller, D., Homan, W., Koter, A. D., Decin, L. & Ceuster, F. D., 01 Aug 2018, In : Astronomy and Astrophysics. 616, 34 p., A106.

Research output: Contribution to journalArticle

Open Access
File
11 Citations (Scopus)
141 Downloads (Pure)

Directed gas phase formation of silicon dioxide and implications for the formation of interstellar silicates

Yang, T., Thomas, A., Dangi, B., Kaiser, R., Mebel, A. & Millar, T. J., 22 Feb 2018, In : Nature Communications. 9, p. 1-8 774.

Research output: Contribution to journalArticle

Open Access
File
3 Citations (Scopus)
143 Downloads (Pure)

Possibility to locate the position of the H2O snowline in protoplanetary disks through spectroscopic observations

Notsu, S., Nomura, H., Walsh, C., Honda, M., Hirota, T., Akiyama, E. & Millar, T. J., 04 Sep 2018, In : Proceedings of the International Astronomical Union. 13, S332, p. 113-120

Research output: Contribution to journalArticle

Preface

Cunningham, M., Millar, T. & Aikawa, Y., 13 Sep 2018, In : Proceedings of the International Astronomical Union. 13, S332, p. x-xiii

Research output: Contribution to journalEditorial

2017

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., Walsh, C., Honda, M., Hirota, T. & Millar, T. J., 13 Feb 2017, In : The Astrophysical Journal. 836, 1, 23 p., 118.

Research output: Contribution to journalArticle

Open Access
File
11 Citations (Scopus)
166 Downloads (Pure)

Negative Ions in Space

Millar, T. J., Walsh, C. & Field, T. A., 08 Feb 2017, In : Chemical Reviews. 117, 3, p. 1765-1795 31 p.

Research output: Contribution to journalArticle

Open Access
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50 Citations (Scopus)
294 Downloads (Pure)

Sulphur-bearing molecules in AGB stars I. The occurrence of hydrogen sulphide

Danilovich, T., Van De Sande, M., De Beck, E., Decin, L., Olofsson, H., Ramstedt, S. & Millar, T. J., 2017, In : Astronomy and Astrophysics. 606, 14 p., A124.

Research output: Contribution to journalArticle

Open Access
File
9 Citations (Scopus)
80 Downloads (Pure)
2016

A Gap with a Deficit of Large Grains in the Protoplanetary Disk around TW Hya

Tsukagoshi, T., Nomura, H., Muto, T., Kawabe, R., Ishimoto, D., Kanagawa, K. D., Okuzumi, S., Ida, S., Walsh, C. & Millar, T. J., 01 Oct 2016, In : Astrophysical Journal Letters. 829, 2, 6 p., L35.

Research output: Contribution to journalArticle

Open Access
File
57 Citations (Scopus)
273 Downloads (Pure)

ALMA Observations of a Gap and a Ring in the Protoplanetary Disk around TW Hya

Nomura, H., Tsukagoshi, T., Kawabe, R., Ishimoto, D., Okuzumi, S., Muto, T., Kanagawa, K. D., Ida, S., Walsh, C., Millar, T. J. & Bai, X-N., 01 Mar 2016, In : Astrophysical Journal Letters. 819, 1, 7 p., L7.

Research output: Contribution to journalArticle

Open Access
File
58 Citations (Scopus)
174 Downloads (Pure)

ALMA-resolved salt emission traces the chemical footprint and inner wind morphology of VY Canis Majoris

Decin, L., Richards, A. M. S., Millar, T. J., Baudry, A., Beck, E. D., Homan, W., Smith, N., Sande, M. V. D. & Walsh, C., Aug 2016, In : Astronomy and Astrophysics. 592, 16 p., A76.

Research output: Contribution to journalArticle

Open Access
File
11 Citations (Scopus)
144 Downloads (Pure)

ALMA Reveals the Anatomy of the mm-Sized Dust and Molecular Gas in the HD97048 Disk

Walsh, C., Juhasz, A., Meeus, G., R. F. Dent, W., Maud, L. T., Aikawa, Y., Millar, T. J. & Nomura, H., 09 Nov 2016, In : The Astrophysical Journal. 831, 2, 15 p., 200.

Research output: Contribution to journalArticle

Open Access
File
27 Citations (Scopus)
151 Downloads (Pure)

CANDIDATE WATER VAPOR LINES TO LOCATE THE H2O SNOWLINE THROUGH HIGH-DISPERSIONSPECTROSCOPIC OBSERVATIONS. I. THE CASE OF A T TAURI STAR

Notsu, S., Nomura, H., Ishimoto, D., Walsh, C., Honda, M., Hirota, T. & Millar, T. J., 20 Aug 2016, In : Astrophysical Journal. 827, 2, 20 p., 113.

Research output: Contribution to journalArticle

Open Access
File
13 Citations (Scopus)
171 Downloads (Pure)

Chemistry and Distribution of Daughter Species in the Circumstellar Envelopes of O-Rich AGB Stars

Li, X., Millar, T. J., Heays, A., Walsh, C., van Dishoeck, E. & Cherchneff, I., Apr 2016, In : Astronomy and Astrophysics. 588, 19 p., A4.

Research output: Contribution to journalArticle

17 Citations (Scopus)

Chemistry in AGB stars: successes and challenges

Millar, T. J., 08 Aug 2016, In : Journal of Physics: Conference Series. 728, Session IV, 10 p., 052001.

Research output: Contribution to journalArticle

Open Access
File
11 Citations (Scopus)
143 Downloads (Pure)

First Detection of Gas-phase Methanol in a Protoplanetary Disk

Walsh, C., Loomis, R. A., Oberg, K. I., Kama, M., van 't Hoff, M. L. R., Millar, T. J., Aikawa, Y., Herbst, E., Widicus Weaver, S. L. & Nomura, H., 13 May 2016, In : The Astrophysical Journal. Letters. 823, 1, 7 p., L10.

Research output: Contribution to journalArticle

Open Access
File
62 Citations (Scopus)
157 Downloads (Pure)

The virtual atomic and molecular data centre (VAMDC) consortium

Dubernet, M. L., Antony, B. K., Ba, Y. A., Babikov, Y. L., Bartschat, K., Boudon, V., Braams, B. J., Daniel, F., Delahaye, F., Zanna, G. D., Urquijo, J. D., Dimitrijević, M. S., Domaracka, A., Doronin, M., Drouin, B. J., Endres, C. P., Fazliev, A. Z., Gagarin, S. V., Gordon, I. E., Gratier, P. & 48 others, Heiter, U., Hill, C., Jevremović, D., Joblin, C., Kasprzak, A., Krishnakumar, E., Leto, G., Loboda, P. A., Louge, T., Maclot, S., Marinković, B. P., Markwick, A., Marquart, T., Mason, H. E., Mason, N. J., Mendoza, C., Mihajlov, A. A., Millar, T. J., Moreau, N., Mulas, G., Pakhomov, Y., Palmeri, P., Pancheshnyi, S., Perevalov, V. I., Piskunov, N., Postler, J., Quinet, P., Quintas-Sánchez, E., Ralchenko, Y., Rhee, Y. J., Rixon, G., Rothman, L. S., Roueff, E., Ryabchikova, T., Sahal-Bréchot, S., Scheier, P., Schlemmer, S., Schmitt, B., Stempels, E., Tashkun, S., Tennyson, J., Tyuterev, V. G., Vujčić, V., Wakelam, V., Walton, N. A., Zatsarinny, O., Zeippen, C. J. & Zwölf, C. M., 17 Mar 2016, In : Journal of Physics B: Atomic Molecular and Optical Physics. 49, 7, 18 p., 074003.

Research output: Contribution to journalArticle

Open Access
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76 Citations (Scopus)
170 Downloads (Pure)
2015

Astrochemistry

Millar, T. J., Aug 2015, In : Plasma Sources Science and Technology. 24, 4, 31 p., 043001.

Research output: Contribution to journalArticle

Open Access
File
18 Citations (Scopus)
276 Downloads (Pure)

Unraveling the Dust Formation Process in R Dor

Van De Sande, M., Decin, L., Lombaert, R., Walsh, C., Khouri, T., Li, X. & Millar, T. J., 01 Dec 2015, EAS Publications Series. Lagadec, E., Millour, F. & Lanz, T. (eds.). EDP Sciences, Vol. 71-72. p. 255-257 3 p. (EAS Publications Series; vol. 71-72).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)
2014

ALMA hints at the presence of two companions in the disk around HD 100546

Walsh, C., Juhasz, A., Pinilla, P., Harsono, D., S. Mathews, G., R. F. Dent, W., R. Hogerheijde, M., Birnstiel, T., Meeus, G., Nomura, H., Aikawa, Y., Millar, T. J. & Sandell, G., 10 Aug 2014, In : Astrophysical Journal Letters. 791, 6 p., L6.

Research output: Contribution to journalArticle

Open Access
File
58 Citations (Scopus)
145 Downloads (Pure)

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, In : Faraday Discussions. 168, p. 389-421

Research output: Contribution to journalArticle

Open Access
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15 Citations (Scopus)
168 Downloads (Pure)

Complex organic molecules in protoplanetary disks

Walsh, C., Millar, T. J., Nomura, H., Herbst, E., Weaver, S. W., Aikawa, Y., Laas, J. C. & Vasyunin, A. I., Mar 2014, In : Astronomy and Astrophysics. 563, 35 p., A33.

Research output: Contribution to journalArticle

Open Access
File
99 Citations (Scopus)
162 Downloads (Pure)

Irradiation of water ice by C+ ions in the cosmic environment

McBride, E. J., Millar, T. J. & Kohanoff, J. J., 04 Aug 2014, In : Journal of Physical Chemistry A. 118, 34, p. 6991-6998 8 p.

Research output: Contribution to journalArticle

Open Access
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2 Citations (Scopus)
177 Downloads (Pure)

New detections of HC5N towards hot cores associated with 6.7 GHz methanol masers

Green, C-E., Green, J. A., Burton, M. G., Horiuchi, S., Tothill, N. F. H., Walsh, A. J., Purcell, C. R., Lovell, J. E. J. & Millar, T. J., 21 Sep 2014, In : Monthly Notices of the Royal Astronomical Society. 443, 3, p. 2252-2263 12 p.

Research output: Contribution to journalArticle

Open Access
File
7 Citations (Scopus)
193 Downloads (Pure)

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., Aug 2014, In : Astronomy and Astrophysics. 568, 13 p., A111.

Research output: Contribution to journalArticle

Open Access
File
16 Citations (Scopus)
125 Downloads (Pure)

Water in protoplanetary disks

Nomura, H., Walsh, C., Heinzeller, D. & Millar, T. J., 29 Apr 2014, Proceedings of the International Astronomical Union: formation, detection, and characterization of extrasolar habitable planets . S293 ed. Cambridge University Press, Vol. 3. p. 235-237 3 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2013

Molecular line emission from a protoplanetary disk irradiated externally by a nearby massive star

Walsh, C., Millar, T. J. & Nomura, H., 01 Apr 2013, In : Astrophysical Journal Letters. 766, 2, 8 p., L23.

Research output: Contribution to journalArticle

Open Access
File
15 Citations (Scopus)
179 Downloads (Pure)

Organic synthesis in the interstellar medium by low-energy carbon irradiation

McBride, E. J., Millar, T. J. & Kohanoff, J. J., 03 Oct 2013, In : Journal of Physical Chemistry A. 117, 39, p. 9666-9672

Research output: Contribution to journalArticle

5 Citations (Scopus)

Photodetachment as destruction mechanism for CN- and C3N- anions in circumstellar envelopes

S. Kumar, S., Hauser, D., Jindra, R., Best, T., Roucka, S., D. Geppert, W., Millar, T. J. & Wester, R., 10 Oct 2013, In : Astrophysical Journal. 776, 1, 6 p., 25.

Research output: Contribution to journalArticle

Open Access
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35 Citations (Scopus)
114 Downloads (Pure)

The UMIST Database for Astrochemistry 2012

McElroy, D., Walsh, C., Markwick, A. J., Cordiner, M. A., Smith, K. & Millar, T. J., Feb 2013, In : Astronomy and Astrophysics. 550, 13 p., A36.

Research output: Contribution to journalArticle

Open Access
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335 Citations (Scopus)
284 Downloads (Pure)
2012

Chemical processes in protoplanetary disks. II. On the importance of photochemistry and X-ray ionization

Walsh, C., Nomura, H., Millar, TJ. & Aikawa, Y., 22 Feb 2012, In : Astrophysical Journal. 747, 114, 19 p.

Research output: Contribution to journalArticle

Open Access
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83 Citations (Scopus)
198 Downloads (Pure)

Galactic Bulge PNe: Carbon molecules in oxygen-rich environments

Guzmán-Ramírez, L., Zijlstra, A., Níchuimín, R., Gesicki, K., Lagadec, E., Millar, T. J. & Woods, P. M., 30 Aug 2012, IAU Symposium 283, Planetary Nebulae: An Eye to the Future. p. 259-262 4 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

2011

Chemical evolution of protoplanetary disks - the effects of viscous accretion, turbulent mixing and disk winds

Heinzeller, D., Nomura, H., Walsh, C. & Millar, TJ., 20 Apr 2011, In : Astrophysical Journal. 731, 2, 22 p., 115.

Research output: Contribution to journalArticle

51 Citations (Scopus)
3 Downloads (Pure)

Early Results of the 3mm Spectral Line Survey toward the L1157 B1 Shocked Region

Sugimura, M., Yamaguchi, T., Sakai, T., Umemoto, T., Sakai, N., Takano, S., Aikawa, Y., Hirano, N., Liu, S-Y., Millar, TJ., Nomura, H., Su, Y-N., Takakuwa, S. & Yamamoto, S., 2011, In : Publications of the Astronomical Society of Japan. 63, p. 459-472 14 p.

Research output: Contribution to journalArticle

21 Citations (Scopus)

VAMDC - The Virtual Atomic and Molecular Data Centre - A New Way to Disseminate Atomic and Molecular Data - VAMDC Level 1 Release

Rixon, G., Dubernet, M. L., Piskunov, N., Walton, N., Mason, N., Le Sidaner, P., Schlemmer, S., Tennyson, J., Akram, A., Benson, K., Bureau, J., Doronin, M., Endres, C., Heiter, U., Hill, C., Kupka, F., Nenadovic, L., Marquart, T., Mulas, G., Ralchenko, Y. & 24 others, Shih, A., Smith, K., Schmitt, B., Witherick, D., Boudon, V., Culhane, J. L., Dimitrijevic, M. S., Fazliev, A. Z., Joblin, C., Leto, G., Loboda, P. A., Mason, H. E., Mendoza, C., Millar, TJ., Nunez, L. A., Perevalov, V. I., Rothman, L. S., Roueff, E., Ryabchikova, T. A., Ryabtsev, A., Sahal-Brechot, S., Tyuterev, V. G., Wakelam, V. & Zeippen, C. J., Sep 2011, p. 107-115. 9 p.

Research output: Contribution to conferencePaper

51 Citations (Scopus)
2010

Chemical Processes in Protoplanetary Disks

Walsh, C., Millar, TJ. & Nomura, H., 20 Oct 2010, In : Astrophysical Journal. 722, 2, p. 1607-1623 17 p.

Research output: Contribution to journalArticle

97 Citations (Scopus)
4 Downloads (Pure)

DISTRIBUTIONS OF HOT MOLECULES IN YOUNG CIRCUMSTELLAR DISKS

Nomura, H., Aikawa, Y., Nakagawa, Y. & Millar, TJ., Feb 2010, p. 177-180. 4 p.

Research output: Contribution to conferencePaper

ERRATUM: "THE DISSOCIATIVE RECOMBINATION OF PROTONATED ACRYLONITRILE, CH2CHCNH+, WITH IMPLICATIONS FOR THE NITRILE CHEMISTRY IN DARK MOLECULAR CLOUDS AND THE UPPER ATMOSPHERE OF TITAN" (THE ASTROPHYSICAL JOURNAL (2010) 724 (1571))

Vigren, E., Hamberg, M., Zhaunerchyk, V., Kaminska, M., Thomas, R. D., Larsson, M., Millar, T. J., Walsh, C. & Geppert, W. D., 01 Dec 2010, In : Astrophysical Journal. 724, 2, 1 p.

Research output: Contribution to journalComment/debate

2 Citations (Scopus)

MOLECULAR HYDROGEN EMISSION FROM PROTOPLANETARY DISKS: UV AND X-RAY IRRADIATED DISK MODEL WITH DUST EVOLUTION

Nomura, H., Aikawa, Y., Tsujimoto, M., Nakagawa, Y. & Millar, TJ., Feb 2010, p. 181-184. 4 p.

Research output: Contribution to conferencePaper