Daniel Tafoya

Senior forskningsingenjör vid Onsala rymdobservatorium

Fokus för hans forskning är studiet av cirkumstellära höljen kring stjärnor som närmar sig slutet av sin livstid, så kallade långt utvecklade stjärnor. Målet är att förstå hur stjärnor, som vår egen sol, uppför sig mot slutet av sin existens. För att genomföra sina undersökningar använder han radioteleskop, t.ex. APEX, ALMA och JVLA. Delar av hans arbete ägnas också åt stödaktiviteter inom den nordiska ”ALMA Regional Center”-noden.

Källa: chalmers.se

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Publikationer (64)
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Visar 64 publikationer

2024

Uncovering the structure and kinematics of the ionized core of M 2-9 with ALMA

Carmen Sánchez Contreras, Daniel Tafoya, J.P. Fonfría et al

Astronomy and Astrophysics. Vol. 692

Artikel i vetenskaplig tidskrift

2024

Non-thermal radio emission in Sakurai's Object

M. Hajduk, P. A. M. van Hoof, A. Zijlstra et al

Astronomy and Astrophysics. Vol. 688

Artikel i vetenskaplig tidskrift

2024

An empirical view of the extended atmosphere and inner envelope of the asymptotic giant branch star R Doradus I. Physical model based on CO lines

Theo Khouri, Hans Olofsson, Wouter Vlemmings et al

Astronomy and Astrophysics. Vol. 685

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2024

Optical tomography of the born-again ejecta of A 58

B. Montoro-Molina, Daniel Tafoya, M. A. Guerrero et al

Astronomy and Astrophysics. Vol. 684

Artikel i vetenskaplig tidskrift

2024

Probing the dynamical and kinematical structures of detached shells around AGB stars

Matthias Maercker, Elvire De Beck, Theo Khouri et al

Astronomy and Astrophysics. Vol. 687

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2024

The ALMA Survey of 70 μm Dark High-mass Clumps in Early Stages (ASHES). X. Hot Gas Reveals Deeply Embedded Star Formation

Natsuko Izumi, Patricio Sanhueza, M. M. Kettenis et al

Astrophysical Journal. Vol. 963 (2)

Artikel i vetenskaplig tidskrift

2024

Charting circumstellar chemistry of carbon-rich asymptotic giant branch stars: I. ALMA 3 mm spectral surveys

Ramlal Unnikrishnan Nair, Elvire De Beck, Lars-Åke Nyman et al

Astronomy and Astrophysics. Vol. 684

Artikel i vetenskaplig tidskrift

2024

Exploring the Ionized Core of the Proto-Planetary Nebula CRL 618 and Its Vicinity with ALMA

J.P. Fonfría, C. S. Contreras, Daniel Tafoya et al

Galaxies. Vol. 12 (5)

Artikel i vetenskaplig tidskrift

2024

The ALMA Survey of 70 μm Dark High-mass Clumps in Early Stages (ASHES). XI. Statistical Study of Early Fragmentation

Kaho Morii, Patricio Sanhueza, Q. Zhang et al

Astrophysical Journal. Vol. 966 (2)

Artikel i vetenskaplig tidskrift

2024

The 17O/18O Ratio of Post-AGB Sources: Canonical and Non-Canonical Populations

J. Alcolea, Elisa Masa, Theo Khouri et al

Galaxies. Vol. 12 (6)

Artikel i vetenskaplig tidskrift

2023

Evidence for a gamma-ray molecular target in the enigmatic PeVatron candidate LHAASO J2108+5157

Eduardo De La Fuente, Iván Toledano-Juárez, K. Kawata et al

Astronomy and Astrophysics. Vol. 675

Artikel i vetenskaplig tidskrift

2023

The ALMA Survey of 70 mu m Dark High-mass Clumps in Early Stages (ASHES). IX. Physical Properties and Spatial Distribution of Cores in IRDCs

Kaho Morii, Patricio Sanhueza, Fumitaka Nakamura et al

Astrophysical Journal. Vol. 950 (2)

Artikel i vetenskaplig tidskrift

2023

Collision of molecular outflows in the L1448-C system

Iván Toledano-Juárez, Eduardo De La Fuente, Miguel A. Trinidad et al

Monthly Notices of the Royal Astronomical Society. Vol. 522 (1), p. 1591-1600

Artikel i vetenskaplig tidskrift

2023

FLASHING: Project overview

Hiroshi Imai, Yuhki Hamae, Kei Amada et al

Publication of the Astronomical Society of Japan. Vol. 75 (6), p. 1183-1213

Artikel i vetenskaplig tidskrift

2023

Detection of a new molecular cloud in the LHAASO J2108+5157 region supporting a hadronic PeVatron scenario

Eduardo De La Fuente, Iván Toledano-Juárez, K. Kawata et al

Publication of the Astronomical Society of Japan. Vol. 75 (3), p. 546-566

Artikel i vetenskaplig tidskrift

2023

The ALMA Survey of 70 mu m Dark High-mass Clumps in Early Stages (ASHES). VIII. Dynamics of Embedded Dense Cores

Shanghuo Li, Patricio Sanhueza, Qizhou Zhang et al

Astrophysical Journal. Vol. 949 (2)

Artikel i vetenskaplig tidskrift

2023

Evolution of the Outflow in the Water Fountain Source IRAS 18043-2116

L. Uscanga, H. Imai, J. F. Gomez et al

Astrophysical Journal. Vol. 948 (1)

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2023

Polarisation of molecular lines in the circumstellar envelope of the post-asymptotic giant branch star OH 17.7- 2.0

Wouter Vlemmings, Daniel Tafoya

Astronomy and Astrophysics. Vol. 671

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2023

The heart of Sakurai's object revealed by ALMA

Daniel Tafoya, P. A. M. van Hoof, J. A. Toala et al

Astronomy and Astrophysics. Vol. 677

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2022

The ALMA Survey of 70 μm Dark High-mass Clumps in Early Stages (ASHES). VI. The Core-scale CO Depletion

Giovanni Sabatini, Stefano Bovino, Patricio Sanhueza et al

Astrophysical Journal. Vol. 936 (1)

Artikel i vetenskaplig tidskrift

2022

Isolated Massive Star Formation in G28.20-0.05

Chi Yan Law, Jonathan Tan, Prasanta Gorai et al

Astrophysical Journal. Vol. 939 (2)

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2022

The ALMA Survey of 70 μm Dark High-mass Clumps in Early Stages (ASHES). VII. Chemistry of Embedded Dense Cores

Shanghuo Li, Patricio Sanhueza, X. Lu et al

Astrophysical Journal. Vol. 939 (2)

Artikel i vetenskaplig tidskrift

2022

First Images of the Molecular Gas around a Born-again Star Revealed by ALMA

Daniel Tafoya, Jesus A. Toala, Ramlal Unnikrishnan et al

Astrophysical Journal Letters. Vol. 925 (1)

Artikel i vetenskaplig tidskrift

2022

Recombination of Hot Ionized Nebulae: The Old Planetary Nebula around V4334 Sgr (Sakurai’s Star)* * This investigation makes use of ESO data from program IDs 077.D-0394, 079.D-0256, 381.D-0117, 383.D-0427, 385.D-0292, 087.D-0223, 089.D-0080, 091.D-0209, 093.D-0195, 095.D-0113, 097.D-0146, 099.D-0045, and 0109.D-0060.

Martin Reichel, S. Kimeswenger, P. A. M. van Hoof et al

Astrophysical Journal. Vol. 939 (2)

Artikel i vetenskaplig tidskrift

2022

Observational identification of a sample of likely recent common-envelope events

Theo Khouri, Wouter Vlemmings, Daniel Tafoya et al

Nature Astronomy. Vol. 6 (2), p. 275-286

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2022

Discovery of SiO Masers in the "Water Fountain" Source IRAS 16552-3050

K. Amada, H. Imai, Y. Hamae et al

Astronomical Journal. Vol. 163 (2)

Artikel i vetenskaplig tidskrift

2022

Common envelope evolution in born-again planetary nebulae - Shaping the H-deficient ejecta of A 30

J. B. Rodriguez-Gonzalez, E. Santamaria, J. A. Toala et al

Monthly Notices of the Royal Astronomical Society. Vol. 514 (4), p. 4794-4802

Artikel i vetenskaplig tidskrift

2022

Water Fountain Sources Monitored in FLASHING

Hiroshi Imai, Kei Amada, J. F. Gomez et al

Proceedings of the International Astronomical Union. Vol. 18, p. 333-337

Paper i proceeding

2022

Is there a sub-parsec-scale jet base in the nearby dwarf galaxy NGC 4395?

Jun Yang, Xiaolong Yang, Joan M. Wrobel et al

Monthly Notices of the Royal Astronomical Society. Vol. 514 (4), p. 6215-6224

Artikel i vetenskaplig tidskrift

2022

Discovery of SiO masers in the Water Fountain source, IRAS 16552-3050

Kei Amada, H. Imai, Yuhki Hamae et al

Proceedings of the International Astronomical Union. Vol. 18, p. 359-361

Paper i proceeding

2022

Evolution of the outflow traced by water masers in the evolved star IRAS 18043 - 2116

L. Uscanga, H. Imai, J. F. Gomez et al

Proceedings of the International Astronomical Union. Vol. 18, p. 338-342

Paper i proceeding

2022

The symbiotic and bipolar nebula M2-9: Morphological variability of the collimated ionized wind arising from the core

Eduardo de la Fuente, Miguel A. Trinidad, Daniel Tafoya et al

Publication of the Astronomical Society of Japan. Vol. 74 (3), p. 594-601

Artikel i vetenskaplig tidskrift

2021

The ALMA Survey of 70 mu m Dark High-mass Clumps in Early Stages (ASHES). IV. Star Formation Signatures in G023.477

Kaho Morii, Patricio Sanhueza, Fumitaka Nakamura et al

Astrophysical Journal. Vol. 923 (2)

Artikel i vetenskaplig tidskrift

2021

Water and silicon-monoxide masers monitored towards the water fountain sources

H. Imai, Kei Amada, J. F. Gomez et al

Proceedings of the International Astronomical Union. Vol. 17, p. 91-93

Paper i proceeding

2021

Heavy-element Rydberg transition line emission from the post-giant-evolution star HD 101584

Hans Olofsson, John H Black, Theo Khouri et al

Astronomy and Astrophysics. Vol. 651

Artikel i vetenskaplig tidskrift

2021

Maser emission from the CO envelope of the asymptotic giant branch star W Hydrae

Wouter Vlemmings, Theo Khouri, Daniel Tafoya

Astronomy and Astrophysics. Vol. 654

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2021

The ALMA Survey of 70 mu m Dark High-mass Clumps in Early Stages (ASHES). III. A Young Molecular Outflow Driven by a Decelerating Jet

Daniel Tafoya, Patricio Sanhueza, Qizhou Zhang et al

Astrophysical Journal. Vol. 913 (2)

Artikel i vetenskaplig tidskrift

2021

A study of radial self-similar non-relativistic MHD outflow models: parameter space exploration and application to the water fountain W43A

Chiara Ceccobello, M. H. M. Heemskerk, Y. Cavecchi et al

Monthly Notices of the Royal Astronomical Society. Vol. 501 (2), p. 2071-2090

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2020

FLASHING: New high-velocity H2O masers in IRAS 18286−0959

H. Imai, Yuri Uno, Daichi Maeyama et al

Publication of the Astronomical Society of Japan. Vol. 72 (4)

Artikel i vetenskaplig tidskrift

2020

VLTI/PIONIER reveals the close environment of the evolved system HD 101584

J. Kluska, Hans Olofsson, H. Van Winckel et al

Astronomy and Astrophysics. Vol. 642

Artikel i vetenskaplig tidskrift

2020

DEATHSTAR: Nearby AGB stars with the Atacama Compact Array I. CO envelope sizes and asymmetries: A new hope for accurate mass-loss-rate estimates

S. Ramstedt, Wouter Vlemmings, L. Doan et al

Astronomy and Astrophysics. Vol. 640

Artikel i vetenskaplig tidskrift

2020

Ultracompact HII regions with extended emission: The complete view

Eduardo De La Fuente, Alicia Porras, Miguel A. Trinidad et al

Monthly Notices of the Royal Astronomical Society. Vol. 492 (1), p. 895-914

Artikel i vetenskaplig tidskrift

2020

The ALMA Survey of 70 mu m Dark High-mass Clumps in Early Stages (ASHES). II. Molecular Outflows in the Extreme Early Stages of Protocluster Formation

Shanghuo Li, Patricio Sanhueza, Qizhou Zhang et al

Astrophysical Journal. Vol. 903 (2)

Artikel i vetenskaplig tidskrift

2020

Ultracompact H II regions with extended emission: the case of G43.89-0.78 and its molecular environment

Eduardo de la Fuente, Daniel Tafoya, Miguel A. Trinidad et al

Monthly Notices of the Royal Astronomical Society. Vol. 497 (4), p. 4436-4447

Artikel i vetenskaplig tidskrift

2020

Shaping the Envelope of the Asymptotic Giant Branch Star W43A with a Collimated Fast Jet

Daniel Tafoya, Hiroshi Imai, Jose F. Gomez et al

Astrophysical Journal Letters. Vol. 890 (1)

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2019

Spatio-kinematical model of the collimated molecular outflow in the water-fountain nebula IRAS 16342-3814

Daniel Tafoya, G. Orosz, Wouter Vlemmings et al

Astronomy and Astrophysics. Vol. 629

Artikel i vetenskaplig tidskrift

2019

A rotating fast bipolar wind and disk system around the B[e]-type star MWC 922

C. Sanchez Contreras, A. Baez-Rubio, J. Alcolea et al

Astronomy and Astrophysics. Vol. 629

Artikel i vetenskaplig tidskrift

2019

The ALMA Survey of 70 μm Dark High-mass Clumps in Early Stages (ASHES). I. Pilot Survey: Clump Fragmentation

Patricio Sanhueza, Y. Contreras, Benjamin Wu et al

Astrophysical Journal. Vol. 886 (2)

Artikel i vetenskaplig tidskrift

2017

The shock-heated atmosphere of an asymptotic giant branch star resolved by ALMA

Wouter Vlemmings, Theo Khouri, Eamon O Gorman et al

Nature Astronomy. Vol. 1 (12), p. 848-853

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2017

Deep into the Water Fountains: The case of IRAS 18043 - 2116

A. F. Perez-Sanchez, Daniel Tafoya Martinez, R. García López et al

Astronomy and Astrophysics. Vol. 601 (May), p. Article no A68-

Artikel i vetenskaplig tidskrift

2017

Bow shocks in water fountain jets

G. Orosz, J. F. Gomez, Daniel Tafoya et al

Proceedings of the International Astronomical Union. Vol. 13 (S336), p. 351-354

Paper i proceeding

2017

First detection of methanol towards a post-AGB object, HD 101584

Hans Olofsson, Wouter Vlemmings, Per Bergman et al

Astronomy and Astrophysics. Vol. 603, p. L2-

Artikel i vetenskaplig tidskrift

2017

Astrometry of OH/IR Stars Using 1612MHz Hydroxyl Masers. I. Annual Parallaxes of WX Psc and OH138.0+7.2 MEConference on Why Galaxies Care About AGB Stars III: A Closer Look in Space and Time, JUL 28-AUG

G. Orosz, H. Imai, R. Dodson et al

Astronomical Journal. Vol. 153 (3), p. 119-

Artikel i vetenskaplig tidskrift

2017

(Sub)millimeter emission lines of molecules in born-again stars

Daniel Tafoya Martinez, J. A. Toala, Wouter Vlemmings et al

Astronomy and Astrophysics. Vol. 600

Artikel i vetenskaplig tidskrift

2017

Limits to the magnetic field in the planetary nebula NGC 246 from faraday rotation

L. F. Rodriguez, C. Carrasco-Gonzalez, J. Canto et al

Revista Mexicana de Astronomia y Astrofisica. Vol. 53 (1), p. 45-52

Artikel i vetenskaplig tidskrift

2017

Magnetically aligned dust and SiO maser polarisation in the envelope of the red supergiant VY Canis Majoris

Wouter Vlemmings, Theo Khouri, Ivan Marti-Vidal et al

Astronomy and Astrophysics. Vol. 603, p. A92-

Artikel i vetenskaplig tidskrift

2017

Submillimeter H<inf>2</inf>O maser emission from water fountain nebulae

Daniel Tafoya, Wouter Vlemmings, A. F. Perez-Sanchez

Proceedings of the International Astronomical Union. Vol. 13 (S336), p. 369-372

Artikel i vetenskaplig tidskrift

2017

A detailed study toward the Water fountain IRAS 15445-5449

A. F. Perez-Sanchez, Rebeca García López, Wouter Vlemmings et al

Proceedings of the International Astronomical Union. Vol. 13 (S336), p. 355-358

Artikel i vetenskaplig tidskrift

2014

Submillimeter H2O masers in water-fountain nebulae

Daniel Tafoya Martinez, R. Franco-Hernandez, Wouter Vlemmings et al

Astronomy and Astrophysics. Vol. 562, p. 4-

Artikel i vetenskaplig tidskrift

2014

CRL 618: A Nascent Planetary Nebula

Daniel Tafoya Martinez, L. Loinard, J. P. Fonfría et al

Asymmetrical Planetary Nebulae VI conference, Proceedings of the conference held 4-8 November, 2013, p. 101-

Övrigt konferensbidrag

2014

The first synchrotron jet resolved towards a post-AGB star

A. Pérez-Sánchez, Wouter Vlemmings, Daniel Tafoya Martinez et al

Asymmetrical Planetary Nebulae VI conference, Proceedings of the conference held 4-8 November, 2013, p. 71-

Övrigt konferensbidrag

2013

Rapid angular expansion of the ionized core of CRL 618

Daniel Tafoya Martinez, L. Loinard, J.P. Fonfría et al

Astronomy and Astrophysics. Vol. 556 (August), p. article no. A35-

Artikel i vetenskaplig tidskrift

2013

A synchrotron jet from a post-asymptotic giant branch star

A.F. Perez-Sanchez, Wouter Vlemmings, Daniel Tafoya Martinez et al

Monthly Notices of the Royal Astronomical Society. Vol. 436 (1), p. L79-L83

Artikel i vetenskaplig tidskrift

2012

Multipolar Planetary Nebulae: Not As Geometrically Diversified As Thought

S. N. Chong, S. Kwok, H. Imai et al

Astrophysical Journal. Vol. 760 (2)

Artikel i vetenskaplig tidskrift

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