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Astrochemistry of old stars: direct probing of unique chemical laboratories

Publications

An unusual face-on spiral in the wind of the M-type AGB star EP Aquarii

Author(s): Ward Homan, Anita Richards, Leen Decin, Alex de Koter, Pierre Kervella
Published in: Astronomy & Astrophysics, Issue 616, 2018, Page(s) A34, ISSN 0004-6361
DOI: 10.1051/0004-6361/201832834

Radiation-pressure-driven sub-Keplerian rotation of the disc around the AGB star L2 Pup

Author(s): Thomas J. Haworth, Richard A. Booth, Ward Homan, Leen Decin, Cathie J. Clarke, Subhanjoy Mohanty
Published in: Monthly Notices of the Royal Astronomical Society, Issue 473/1, 2017, Page(s) 317-327, ISSN 0035-8711
DOI: 10.1093/mnras/stx2416

Chemical content of the circumstellar envelope of the oxygen-rich AGB star R Doradus

Author(s): M. Van de Sande, L. Decin, R. Lombaert, T. Khouri, A. de Koter, F. Wyrowski, R. De Nutte, W. Homan
Published in: Astronomy & Astrophysics, Issue 609, 2018, Page(s) A63, ISSN 0004-6361
DOI: 10.1051/0004-6361/201731298

Constraints on Metal Oxide and Metal Hydroxide Abundances in the Winds of AGB Stars: Potential Detection of FeO in R Dor

Author(s): L. Decin, T. Danilovich, D. Gobrecht, J. M. C. Plane, A. M. S. Richards, C. A. Gottlieb, K. L. K. Lee
Published in: The Astrophysical Journal, Issue 855/2, 2018, Page(s) 113, ISSN 1538-4357
DOI: 10.3847/1538-4357/aaab6a

Sulphur-bearing molecules in AGB stars

Author(s): T. Danilovich, M. Van de Sande, E. De Beck, L. Decin, H. Olofsson, S. Ramstedt, T. J. Millar
Published in: Astronomy & Astrophysics, Issue 606, 2017, Page(s) A124, ISSN 0004-6361
DOI: 10.1051/0004-6361/201731203

Study of the aluminium content in AGB winds using ALMA

Author(s): L. Decin, A. M. S. Richards, L. B. F. M. Waters, T. Danilovich, D. Gobrecht, T. Khouri, W. Homan, J. M. Bakker, M. Van de Sande, J. A. Nuth, E. De Beck
Published in: Astronomy & Astrophysics, Issue 608, 2017, Page(s) A55, ISSN 0004-6361
DOI: 10.1051/0004-6361/201730782

On the detection of CO and mass-loss of bulge OH/IR stars

Author(s): J A D L Blommaert, M A T Groenewegen, K Justtanont, L Decin
Published in: Monthly Notices of the Royal Astronomical Society, Issue 479/3, 2018, Page(s) 3545-3562, ISSN 0035-8711
DOI: 10.1093/mnras/sty1663

The close circumstellar environment of Betelgeuse

Author(s): Pierre Kervella, Leen Decin, Anita M. S. Richards, Graham M. Harper, Iain McDonald, Eamon O’Gorman, Miguel Montargès, Ward Homan, Keiichi Ohnaka
Published in: Astronomy & Astrophysics, Issue 609, 2018, Page(s) A67, ISSN 0004-6361
DOI: 10.1051/0004-6361/201731761

ALMA detection of a tentative nearly edge-on rotating disk around the nearby AGB star R Doradus

Author(s): Ward Homan, Taissa Danilovich, Leen Decin, Alex de Koter, Joseph Nuth, Marie Van de Sande
Published in: Astronomy & Astrophysics, Issue 614, 2018, Page(s) A113, ISSN 0004-6361
DOI: 10.1051/0004-6361/201732246

The circumstellar envelope around the S-type AGB star W Aql

Author(s): S. Ramstedt, S. Mohamed, W. H. T. Vlemmings, T. Danilovich, M. Brunner, E. De Beck, E. M. L. Humphreys, M. Lindqvist, M. Maercker, H. Olofsson, F. Kerschbaum, G. Quintana-Lacaci
Published in: Astronomy & Astrophysics, Issue 605, 2017, Page(s) A126, ISSN 0004-6361
DOI: 10.1051/0004-6361/201730934

Stratosphere circulation on tidally locked ExoEarths

Author(s): L. Carone, R. Keppens, L. Decin, Th. Henning
Published in: Monthly Notices of the Royal Astronomical Society, Issue 473/4, 2017, Page(s) 4672-4685, ISSN 0035-8711
DOI: 10.1093/mnras/stx2732

Molecular Data Needs for Modelling AGB Stellar Winds and Other Molecular Environments

Author(s): Taïssa Danilovich, Leen Decin, Marie Van de Sande
Published in: Galaxies, Issue 6/3, 2018, Page(s) 86, ISSN 2075-4434
DOI: 10.3390/galaxies6030086

SiS in the Circumstellar Envelope of IRC +10216: Maser and Quasi-thermal Emission

Author(s): Y. Gong, C. Henkel, J. Ott, K. M. Menten, M. R. Morris, D. Keller, M. J. Claussen, M. Grasshoff, R. Q. Mao
Published in: The Astrophysical Journal, Issue 843/1, 2017, Page(s) 54, ISSN 1538-4357
DOI: 10.3847/1538-4357/aa7853

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

Author(s): M. Van de Sande, J.O. Sundqvist, T.J. Millar, D. Keller, W. Homan, A. de Koter, L. Decin, F. De Ceuster
Published in: Astronomy & Astrophysics, 2018, ISSN 0004-6361
DOI: 10.1051/0004-6361/201732276

ALMA spectral line and imaging survey of a low and a high mass-loss rate AGB star between 335 and 362 GHz

Author(s): L. Decin, A. M. S. Richards, T. Danilovich, W. Homan, J. A. Nuth
Published in: Astronomy & Astrophysics, Issue 615, 2018, Page(s) A28, ISSN 0004-6361
DOI: 10.1051/0004-6361/201732216

Sulphur-bearing molecules in AGB stars. II. Abundances and distributions of CS and SiS

Author(s): T. Danilovich, S. Ramstedt, D. Gobrecht, L. Decin, E. De Beck, H. Olofsson
Published in: Astronomy & Astrophysics, 2018, ISSN 0004-6361
DOI: 10.1051/0004-6361/201833317

On the properties of dust and gas in the environs of V838 Monocerotis

Author(s): K. M. Exter, N. L. J. Cox, B. M. Swinyard, M. Matsuura, A. Mayer, E. De Beck, L. Decin
Published in: Astronomy & Astrophysics, Issue 596, 2016, Page(s) A96, ISSN 0004-6361
DOI: 10.1051/0004-6361/201628235

An ALMA view of CS and SiS around oxygen-rich AGB stars

Author(s): T Danilovich, A M S Richards, A I Karakas, M Van de Sande, L Decin, F De Ceuster
Published in: Monthly Notices of the Royal Astronomical Society, Issue 484/1, 2019, Page(s) 494-509, ISSN 0035-8711
DOI: 10.1093/mnras/stz002

Developing a self-consistent AGB wind model – I. Chemical, thermal, and dynamical coupling

Author(s): Jels Boulangier, N Clementel, A J van Marle, L Decin, A de Koter
Published in: Monthly Notices of the Royal Astronomical Society, Issue 482/4, 2018, Page(s) 5052-5077, ISSN 0035-8711
DOI: 10.1093/mnras/sty2560

A global optimisation study of the low-lying isomers of the alumina octomer (Al2O3)8

Author(s): David Gobrecht, Leen Decin, Sergio Cristallo, Stefan T. Bromley
Published in: Chemical Physics Letters, Issue 711, 2018, Page(s) 138-147, ISSN 0009-2614
DOI: 10.1016/j.cplett.2018.09.018

An Updated 2017 Astrometric Solution for Betelgeuse

Author(s): G. M. Harper, A. Brown, E. F. Guinan, E. O’Gorman, A. M. S. Richards, P. Kervella, L. Decin
Published in: The Astronomical Journal, Issue 154/1, 2017, Page(s) 11, ISSN 1538-3881
DOI: 10.3847/1538-3881/aa6ff9

Nucleosynthesis in AGB stars traced by oxygen isotopic ratios

Author(s): R. De Nutte, L. Decin, H. Olofsson, R. Lombaert, A. de Koter, A. Karakas, S. Milam, S. Ramstedt, R. J. Stancliffe, W. Homan, M. Van de Sande
Published in: Astronomy & Astrophysics, Issue 600, 2017, Page(s) A71, ISSN 0004-6361
DOI: 10.1051/0004-6361/201629195

The ALMA detection of CO rotational line emission in AGB stars in the Large Magellanic Cloud

Author(s): M. A. T. Groenewegen, W. H. T. Vlemmings, P. Marigo, G. C. Sloan, L. Decin, M. W. Feast, S. R. Goldman, K. Justtanont, F. Kerschbaum, M. Matsuura, I. McDonald, H. Olofsson, R. Sahai, J. Th. van Loon, P. R. Wood, A. A. Zijlstra, J. Bernard-Salas, M. L. Boyer, L. Guzman-Ramirez, O. C. Jones, E. Lagadec, M. Meixner, M. G. Rawlings, S. Srinivasan
Published in: Astronomy & Astrophysics, Issue 596, 2016, Page(s) A50, ISSN 0004-6361
DOI: 10.1051/0004-6361/201629590

Herschel /HIFI observations of the circumstellar ammonia lines in IRC+10216

Author(s): M. R. Schmidt, J. H. He, R. Szczerba, V. Bujarrabal, J. Alcolea, J. Cernicharo, L. Decin, K. Justtanont, D. Teyssier, K. M. Menten, D. A. Neufeld, H. Olofsson, P. Planesas, A. P. Marston, A. M. Sobolev, A. de Koter, F. L. Schöier
Published in: Astronomy & Astrophysics, Issue 592, 2016, Page(s) A131, ISSN 0004-6361
DOI: 10.1051/0004-6361/201527290

Water isotopologues in the circumstellar envelopes of M-type AGB stars

Author(s): T. Danilovich, R. Lombaert, L. Decin, A. Karakas, M. Maercker, H. Olofsson
Published in: Astronomy & Astrophysics, Issue 602, 2017, Page(s) A14, ISSN 0004-6361
DOI: 10.1051/0004-6361/201630055

ALMA observations of the nearby AGB star L 2  Puppis

Author(s): P. Kervella, W. Homan, A. M. S. Richards, L. Decin, I. McDonald, M. Montargès, K. Ohnaka
Published in: Astronomy & Astrophysics, Issue 596, 2016, Page(s) A92, ISSN 0004-6361
DOI: 10.1051/0004-6361/201629877

ALMA observations of the nearby AGB star L 2 Puppis

Author(s): Ward Homan, Anita Richards, Leen Decin, Pierre Kervella, Alex de Koter, Iain McDonald, Keiichi Ohnaka
Published in: Astronomy & Astrophysics, Issue 601, 2017, Page(s) A5, ISSN 0004-6361
DOI: 10.1051/0004-6361/201630340

Search for aluminium monoxide in the winds of oxygen-rich AGB stars

Author(s): E. De Beck, L. Decin, S. Ramstedt, H. Olofsson, K. M. Menten, N. A. Patel, W. H. T. Vlemmings
Published in: Astronomy & Astrophysics, Issue 598, 2017, Page(s) A53, ISSN 0004-6361
DOI: 10.1051/0004-6361/201628928

INFLUENCE OF STELLAR FLARES ON THE CHEMICAL COMPOSITION OF EXOPLANETS AND SPECTRA

Author(s): Olivia Venot, Marco Rocchetto, Shaun Carl, Aysha Roshni Hashim, Leen Decin
Published in: The Astrophysical Journal, Issue 830/2, 2016, Page(s) 77, ISSN 1538-4357
DOI: 10.3847/0004-637x/830/2/77

The inhomogeneous submillimeter atmosphere of Betelgeuse

Author(s): E. O’Gorman, P. Kervella, G. M. Harper, A. M. S. Richards, L. Decin, M. Montargès, I. McDonald
Published in: Astronomy & Astrophysics, Issue 602, 2017, Page(s) L10, ISSN 0004-6361
DOI: 10.1051/0004-6361/201731171

Simplified models of circumstellar morphologies for interpreting high-resolution data

Author(s): W. Homan, J. Boulangier, L. Decin, A. de Koter
Published in: Astronomy & Astrophysics, Issue 596, 2016, Page(s) A91, ISSN 0004-6361
DOI: 10.1051/0004-6361/201528000

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

Author(s): L. Decin, A. M. S. Richards, T. J. Millar, A. Baudry, E. De Beck, W. Homan, N. Smith, M. Van de Sande, C. Walsh
Published in: Astronomy & Astrophysics, Issue 592, 2016, Page(s) A76, ISSN 0004-6361
DOI: 10.1051/0004-6361/201527934

The mass-loss rates of red supergiants at low metallicity: detection of rotational CO emission from two red supergiants in the Large Magellanic Cloud

Author(s): Mikako Matsuura, B. Sargent, Bruce Swinyard, Jeremy Yates, P. Royer, M. J. Barlow, Martha Boyer, L. Decin, Theo Khouri, Margaret Meixner, Jacco Th. van Loon, Paul M. Woods
Published in: Monthly Notices of the Royal Astronomical Society, Issue 462/3, 2016, Page(s) 2995-3005, ISSN 0035-8711
DOI: 10.1093/mnras/stw1853

An ALMA view of SO and SO2 around oxygen-rich AGB stars

Author(s): T Danilovich, A M S Richards, L Decin, M Van de Sande, C A Gottlieb
Published in: Monthly Notices of the Royal Astronomical Society, Issue 494/1, 2020, Page(s) 1323-1347, ISSN 0035-8711
DOI: 10.1093/mnras/staa693

Developing a self-consistent AGB wind model – II. Non-classical, non-equilibrium polymer nucleation in a chemical mixture

Author(s): Jels Boulangier, D Gobrecht, L Decin, A de Koter, J Yates
Published in: Monthly Notices of the Royal Astronomical Society, Issue 489/4, 2019, Page(s) 4890-4911, ISSN 0035-8711
DOI: 10.1093/mnras/stz2358

magritte, a modern software library for 3D radiative transfer: I. Non-LTE atomic and molecular line modelling

Author(s): Frederik De Ceuster, Ward Homan, Jeremy Yates, Leen Decin, Peter Boyle, James Hetherington
Published in: Monthly Notices of the Royal Astronomical Society, Issue 492/2, 2020, Page(s) 1812-1826, ISSN 0035-8711
DOI: 10.1093/mnras/stz3557

Measurements of Low Temperature Rate Coefficients for the Reaction of CH with CH 2 O and Application to Dark Cloud and AGB Stellar Wind Models

Author(s): Niclas A. West, Tom J. Millar, Marie Van de Sande, Edward Rutter, Mark A. Blitz, Leen Decin, Dwayne E. Heard
Published in: The Astrophysical Journal, Issue 885/2, 2019, Page(s) 134, ISSN 1538-4357
DOI: 10.3847/1538-4357/ab480e

NOEMA maps the CO J = 2 − 1 environment of the red supergiant $\mu$ Cep★

Author(s): M Montargès, W Homan, D Keller, N Clementel, S Shetye, L Decin, G M Harper, P Royer, J M Winters, T Le Bertre, A M S Richards
Published in: Monthly Notices of the Royal Astronomical Society, Issue 485/2, 2019, Page(s) 2417-2430, ISSN 0035-8711
DOI: 10.1093/mnras/stz397

Reduction of the maximum mass-loss rate of OH/IR stars due to unnoticed binary interaction

Author(s): L. Decin, W. Homan, T. Danilovich, A. de Koter, D. Engels, L. B. F. M. Waters, S. Muller, C. Gielen, D. A. García-Hernández, R. J. Stancliffe, M. Van de Sande, G. Molenberghs, F. Kerschbaum, A. A. Zijlstra, I. El Mellah
Published in: Nature Astronomy, Issue 3/5, 2019, Page(s) 408-415, ISSN 2397-3366
DOI: 10.1038/s41550-019-0703-5

Wind morphology around cool evolved stars in binaries

Author(s): I. El Mellah, J. Bolte, L. Decin, W. Homan, R. Keppens
Published in: Astronomy & Astrophysics, Issue 637, 2020, Page(s) A91, ISSN 0004-6361
DOI: 10.1051/0004-6361/202037492

Chemical modelling of dust–gas chemistry within AGB outflows – I. Effect on the gas-phase chemistry

Author(s): M Van de Sande, C Walsh, T P Mangan, L Decin
Published in: Monthly Notices of the Royal Astronomical Society, Issue 490/2, 2019, Page(s) 2023-2041, ISSN 0035-8711
DOI: 10.1093/mnras/stz2702

The Nearby Evolved Star L2 Puppis as a Portrait of the Future Solar System

Author(s): Kervella P., Montargès M., Richards A. M. S., Homan W., Decin L., Lagadec E., Ridgway S. T., Perrin G., McDonald I., Ohnaka K.
Published in: The Messenger, Issue 167, 2017, Page(s) 20-25, ISSN 0722-6691
DOI: 10.18727/0722-6691/5004

Datasets

Thermodynamic data for astrochemistry

Author(s): Boulangier, Jels; Gobrecht, David
Published in: Zenodo