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Guillermo M. Mu帽oz Caro, Ph.D.


Department of Natural Sciences
Astrophysics

Education

Ph.D. in Astrophysics, Leiden University, The Netherlands, 2003.
B.Sc. in Physics, Utrecht University, The Netherlands, 1998.

Practice Areas

  • Molecular astrophysics
  • Cometary missions
  • Ultra-high vacuum technologies

Publications and Media Placements

Articles published since 2018:

Fuente, A.; Rivi茅re-Marichalar, P.; Beitia-Antero, L.; Caselli, P.; Wakelam, V.; Esplugues,
G.; Rodr铆guez-Baras, M.; Navarro-Almaida, D.; Gerin, M.; Kramer, C.; Bachiller,
R.; Goicoechea, J. R.; Jim茅nez-Serra, I.; Loison, J. C.; Ivlev, A.; Mart铆n-Dom茅nech, R.;
Spezzano, S.; Roncero, O.; Mu帽oz Caro, G. M.; Cazaux, S.; Marcelino, N.
Gas phase Elemental abundances in Molecular cloudS (GEMS) VII. Sulfur elemental abundance.
A&A, in press (2022).

Mousis, O.; Bouquet, A.; Langevin, Y.; Andr茅, N.; Boithias, H.; Durry, G.; Faye,
F.; Hartogh, P.; Helbert, J.; Iess, L.; Kempf, S.; Masters, A.; Postberg, F.; Renard, J.-B.;
Vernazza, P.; Vorburger, A.; Wurz, P.; Atkinson, D. H.; Barabash, S.; Berthomier, M.; Brucato,
J.; Cable, M.; Carter, J.; Cazaux, S.; Coustenis, A.; Danger, G.; Dehant, V.; Fornaro,
T.; Garnier, P.; Gautier, T.; Groussin, O.; Hadid, L. Z.; Ize, J. -C.; Kolmasova, I.; Lebreton,
J. -P.; Le Maistre, S.; Lellouch, E.; Lunine, J. I.; Mandt, K. E.; Martins, Z.; Mimoun, D.;
Nenon, Q.; Mu帽oz Caro, G. M. ; Rannou, P.; Rauer, H.; Schmitt-Kopplin, P.; Schneeberger,
A.; Simons, M.; Stephan, K.; Van Hoolst, T.; Vaverka, J.; Wieser, M.; W枚rner, L.
Moonraker: Enceladus Multiple Flyby Mission.
The Planetary Science Journal, 3, id.268 (2022).

Gonz谩lez D铆az, C.; Carrascosa, H.; Mu帽oz Caro, G. M.; Satorre, M. 脕.; Chen, Y. -J.
Density and infrared band strength of interstellar carbon monoxide (CO) ice analogues.
MNRAS, 517, issue 4, 5744鈥�5755 (2022).

Herrero, V. J.; Tanarro, I.; Jim茅nez-Serra, I.; Carrascosa, H.; Mu帽oz Caro, G. M. ; Mat茅, B.
Stability of urea in astrophysical ices. A laboratory study of VUV irradiation and highenergy
electron bombardment.
MNRAS, 517, issue 1, 1058鈥�1070 (2022).

Sie, N.-E.; Cho, Y.-T.; Huang, C.-H.; Mu帽oz Caro, G. M.; Hsiao, L.-C.; Lin, H.-C.; Chen, Y.-J.
Key Parameters Controlling the Photodesorption Yield in Interstellar CO Ice Analogs: The
Influence of Ice Deposition Temperature and Thickness.
ApJ, 938, issue 1, id.48

Esplugues, G.; Fuente, A.; Navarro-Almaida, D.; Rodr铆guez-Baras, M.; Majumdar, L.; Caselli, P.; 
Wakelam, V.; Roueff, E.; Bachiller, R.; Spezzano, S.; Rivi茅re-Marichalar, P.; Mart铆n-Dom茅nech, R.; 
Mu帽oz Caro, G. M.
Gas phase Elemental abundances in Molecular cloudS (GEMS). VI. A sulfur journey across
star-forming regions: study of thioformaldehyde emission.
A&A, 662, A52 (2022).

Leseigneur, G.; Bredeh枚ft, J. H.; Gautier, Th.; Giri, C.; Kru虉ger, H.; MacDermott,
A. J.; Meierhenrich, U. J.; Mu帽oz Caro, G. M.; Raulin, F.; Steele, A.; Szopa, C.; Thiemann,
W.; Ulamec, S.; Goesmann, F.
COSAC鈥檚 Only Gas Chromatogram Taken on Comet 67P/Churyumov-Gerasimenko.
ChemPlusChem, 87, e202200116 (2022).

Leseigneur, G.; Bredeh枚ft, J. H.; Gautier, Th.; Giri, C.; Kru虉ger, H.; MacDermott,
A. J.; Meierhenrich, U. J.; Mu帽oz Caro, G. M. ; Raulin, F.; Steele, A.; Steininger, H.;
Szopa, C.; Thiemann, W.; Ulamec, S.; Goesmann, F.
ESA鈥檚 Cometary Mission Rosetta鈥擱e-Characterization of the COSAC Mass Spectrometry
Results.
Angewandte Chemie International Edition, 61, issue 29, e202201925 (2022).

Gonz谩lez D铆az, C.; Aparicio, S.; Mu帽oz Caro, G. M. (co-corresponding author) ;
Anaya, J. J.; Carrascosa, H.; Hern谩ndez, M. G.; Mu帽oz-Iglesias, V.; Marcos-Fern谩ndez, 脕.;
Prieto-Ballesteros, O.; Lorente, R.; Witasse, O.; Altobelli, N.
Thermal Conductivity measurements of macroscopic frozen Salt Ice analogs of Jovian Icy
moons in support of the planned JUICE mission.
MNRAS, 510, 4166鈥�4179 (2022).

Jim茅nez-Escobar, A.; Ciaravella, A.; Cecchi-Pestellini, C.; Mu帽oz Caro, G. M. ;
Huang, C.-H.; Sie, N.-E.; Chen, Y.-J.
X-ray-induced Diffusion and Mixing in Layered Astrophysical Ices.
ApJ, 926, 176 (2022).

Cazaux, S.; Carrascosa, H.; Mu帽oz Caro, G. M.; Caselli, P.; Fuente, A.; Navarro-
Almaida, D.; Rivi茅re-Marichalar, P.
Photoprocessing of H2 S on dust grains. Building S chains in translucent clouds and comets.
A&A, 657, A100 (2022).

Carrascosa, H.; Gonz谩lez D铆az, C.; Mu帽oz Caro, G. M. (corresponding author) ;
Suevos, J.; Chen, Y.-J.
The Intriguing Behavior of Ultraviolet Photodesorption and Color Temperature of Astrophysical
CO Ice Analogs: A Possible Indication of Molecular Disorder.
ApJ, 916, 1 (2021).

Carrascosa, H.; Gonz谩lez D铆az, C.; Mu帽oz Caro, G. M. ; G贸mez, P. C.; Sanz, M. L.
Synthesis of the first nitrogen-heterocycles in interstellar ice analogues containing methylamine
(CH3 NH2 ) exposed to UV radiation: formation of trimethylentriamine (TMT, c-(-
CH2 -NH)3 ) and hexamethylentetramine (HMT, (CH2 )6 N4 ).
MNRAS, 506, 791 (2021).

Mendonck, M.; Aparicio, S.; Gonz谩lez D铆az, C.; Hern谩ndez, M. G.; Mu帽oz Caro,
G. M. ; Anaya, J. J.; Cazaux, S.
Ultrasonic Propagation in Liquid and Ice Water Drops. Effect of Porosity.
Sensors, 21, 4790 (2021).

Mat茅 Naya, B.; Carrasco-Herrera, R.; Tim贸n, V; Tanarro, I.; Herrero, V. J.; Carrascosa,
H.; Mu帽oz Caro, G. M. ; Gonz谩lez D铆az, C.; Jim茅nez-Serra, I.
2-aminooxazole in Astrophysical Environments: IR Spectra and Destruction Cross Sections
for Energetic Processing.
ApJ, 909, 123 (2021). 

Rodr铆guez-Baras, M.; Fuente, A.; Rivi茅re-Marichalar, P.; Navarro-Almaida, D.; Caselli,
P.; Gerin, M.; Kramer, C.; Roueff, E.; Wakelam, V.; Esplugues, G.; Garc铆a-Burillo, S.;
Le Gal, R.; Spezzano, S.; Alonso-Albi, T.; Bachiller, R.; Cazaux, S.; Commercon, B.;
Goicoechea, J. R.; Loison, J. C.; Trevi帽o-Morales, S. P.; Roncero, O.; Jim茅nez-Serra, I.;
Laas, J.; Hacar, A.; Kirk, J.; Lattanzi, V.; Mart铆n-Dom茅nech, R.; Mu帽oz Caro, G. M. ;
Pineda, J. E.; Tercero, B.; Ward-Thompson, D.; Tafalla, M.; Marcelino, N.; Malinen, J.;
Friesen, R.; Giuliano, B. M.
Gas phase Elemental abundances in Molecular cloudS (GEMS). IV. Observational results
and statistical trends.
A&A, 648, A120 (2021).

Bulut, N.; Roncero, O.; Aguado, A.; Loison, J. -C.; Navarro-Almaida, D.; Wakelam,
V.; Fuente, A.; Roueff, E.; Le Gal, R.; Caselli, P.; Gerin, M.; Hickson, K. M.; Spezzano,
S.; Rivi茅re-Marichalar, P.; Alonso-Albi, T.; Bachiller, R.; Jim茅nez-Serra, I.; Kramer, C.;
Tercero, B.; Rodriguez-Baras, M.; Garc铆a-Burillo, S.; Goicoechea, J. R.; Trevi帽o-Morales, S.
P.; Esplugues, G.; Cazaux, S.; Commercon, B.; Laas, J.; Kirk, J.; Lattanzi, V.; Mart铆n-
Dom茅nech, R.; Mu帽oz Caro, G. M. ; Pineda, J.; Ward-Thompson, D.; Tafalla, M.;
Marcelino, N.; Malinen, J.; Friesen, R.; Giuliano, B. M.; Ag煤ndez, M.; Hacar, A.
Gas phase Elemental abundances in Molecular cloudS (GEMS). III. Unlocking the CS chemistry:
the CS+O reaction.
A&A, 646, A5 (2021).

Ciaravella, A.; Mu帽oz Caro, G. M. ; Jim茅nez-Escobar, A.; Cecchi-Pestellini, C.;
Hsiao, L.-C.; Huang, C.-H.; Chen, Y.-J.
X-ray processing of a realistic ice mantle can explain the gas abundances in protoplanetary
disks.
PNAS, 117, Issue 28, 116149 (2020).

Navarro-Almaida, D.; Le Gal, R.; Fuente, A.; Rivi茅re-Marichalar, P.; Wakelam, V.;
Cazaux, S.; Caselli, P.; Laas, J. C.; Alonso-Albi, T.; Loison, J. C.; Gerin, M.; Kramer, C.;
Roueff, E.; Bachiller, R.; Commercon, B.; Friesen, R.; Garcia-Burillo, S.; Goicoechea, J. R.;
Giuliano, B. M.; Jimenez-Serra, I.; Kirk, J. M.; Lattanzi, V.; Malinen, J.; Marcelino, N.;
Mart铆n-Dom茅nech, R.; Mu帽oz Caro, G. M. ; Pineda, J.; Tercero, B.; Trevi帽o-Morales, S.
P.; Roncero, O.; Hacar, A.; Tafalla, M.; Ward-Thompson, D.
Gas phase Elemental abundances in Molecular cloudS (GEMS): II. On the quest for the
sulphur reservoir in molecular clouds: the H2 S case.
A&A, 637, A39 (2020). 

Carrascosa, H.; Cruz-Diaz, G. A.; Mu帽oz Caro, G. M. ; Dartois, E.; Chen, Y.-J.
Photon-induced desorption of larger species in UV-irradiated methane ice.
MNRAS, 493, 821-829 (2020). 

Mu帽oz Caro, G. M. ; Ciaravella, A.; .; Jim茅nez-Escobar, A.; Cecchi-Pestellini, C.;
Gonz谩lez D铆az, C.;Chen, Y.-J.
X-ray versus UV irradiation of astrophysical ice analogs leading to COMs formation.
ACS Earth and Space Chemistry, invited article to Special Issue entitled Complex Organic
Molecules (COMs) in Star-Forming Regions, volume 3, 2138-2157 (2019). IF=3.418, Q1.

Mateo-Mart铆, E.; Prieto-Ballesteros, O.; Mu帽oz Caro, G. M. ; Gonz谩lez D铆az, C.;
Mu帽oz-Iglesias, V.; G谩lvez-Mart铆nez, S.
Characterizing Interstellar Medium, Planetary Surface and Deep Environments by Spectroscopic
Techniques Using Unique Simulation Chambers at Centro de Astrobiologia (CAB).
Life, 9, 72, 18 pages (2019). 

Gonz谩lez D铆az, C.; Carrascosa de Lucas, H.; Aparicio, S.; Mu帽oz Caro, G. M. ;
Sie , N.-E.; Hsiao, L.-C.; Chen, Y.-J.
Accretion and photodesorption of CO ice as a function of the incident angle of deposition.
MNRAS, 486, 5519-5525 (2019).

Ciaravella, A.; Jim茅nez-Escobar, A.; Cecchi-Pestellini, C.; Huang, C.-H.; Sie, N.-E.;
Mu帽oz Caro, G. M. ; Chen, Y.-J.
Synthesis of Prebiotic Molecules in Soft X-ray Irradiated Ices.
ApJ, 879, art. id. 21, 11 pages (2019).

Carrascosa, H.; Hsiao, L.-C.; Sie , N.-E.; Mu帽oz Caro, G. M. ; Chen, Y.-J.
13CO:N2  and 13CO2:N2  ice mixtures in photon energy transfer studies.
MNRAS, 486, 1985-1994 (2019).

Sie , N.-E.; Mu帽oz Caro, G. M. ; Huang, Z.-H.; Mart铆n-Dom茅nech, R.; Fuente,
A.; Chen, Y.-J.
On the Photodesorption of CO2  Ice Analogs: The Formation of Atomic C in the Ice and
the Effect of the VUV Emission Spectrum.
ApJ, 874, 35 (2019).

Fuente, A.; Navarro, D.; Caselli, P.; Gerin, M.; Krammer, C.; Roueff, E.; Wakelam,
V.; Alonso-Albi, T.; Bachiller, R.; Cazaux, S.; Commercon, B.; Friesen, R.; Garc铆a-Burillo,
S.; Giuliano, B. M.; Goicoechea, J. R.; Gratier, P.; Hacar, A.; Jim茅nez-Serra, I.; Kirk, J.;
Lattanzi, V.; Loison, J. C.; Malinen, P. J.; Marcelino, N.; Mart铆n-Dom茅nech, R.; Mu帽oz
Caro, G. M. ; Pineda, J.; Tafalla, M.; Tercero, B.; Ward-Thompson, D.; Trevi帽o-Morales,
S.; Rivi茅re-Marichalar, P.; Roncero, O.; Vidal, T.
Gas phase Elemental abundances in Molecular cloudS (GEMS) I. The prototypical dark
cloud TMC 1.
A&A, 624, A105 (2019).

Jim茅nez-Escobar, A.; Ciaravella, A.; Cecchi-Pestellini, C.; Huang, C.-H.; Sie, N.-E.;
Chen, Y.-J.; Mu帽oz Caro, G. M.
 X-ray photo-desorption of H2 O:CO:NH3  circumstellar ice analogs: Gas-phase enrichment.
ApJ, 868, article id. 73 (2018).

Cruz-Diaz, G. A.; Mart铆n-Dom茅nech, R.; Mu帽oz Caro, G. M.
 New measurements on water ice photodesorption and product formation under ultraviolet
irradiation.
MNRAS, 474, 3080 (2018).

Mart铆n-Dom茅nech, R.; Cruz-Diaz, G. A.; Mu帽oz Caro, G. M.
UV photoprocessing of NH3  ice: photon-induced desorption mechanisms.
MNRAS, 473, 2575 (2018).

Books:

Mu帽oz Caro, G. M. & Escribano, R. (editors)
Title: Laboratory Astrophysics (2018)
Astrophysics and Space Science Library, vol. 451, Springer, 2018, ISBN 978-3-319-90020-9.

A. Bhardwaj; Mu帽oz Caro, G. M. (editors)
Advances in Geosciences, Vol. 22: Planetary Science (2008)
World Scientific Publishing Co., Singapore, 2009

Selected conferences since 2018:

Mu帽oz Caro, G. M.
Sulfur chemistry on ices.
Workshop "Linking Ice, gas and dust: Laboratory AstroChemistry (LILAC)", Madrid 23-25
Nov., 2022, invited oral presentation.

Mu帽oz Caro, G. M.
UV and X-ray processing of ice mantles in planet-forming disks: Photodesorption of species
and COMs formation.
Conference From Clouds to Planets II: The Astrochemical Link, Harnack Haus, Berlin 3-7
Oct., 2022, invited oral presentation.  

Mu帽oz Caro, G. M.; Carrascosa, H.; Gonz谩lez D铆az, C.; Cazaux, S.; Caselli, P.; Chen,
Y.-J., Fuente, A.; Navarro-Almaida, D.; Rivi茅re-Marichalar, P.
Photodesorption experiments of Sulfur-species.
Real Observatorio, Madrid, June 22鈥�24, 2022, invited oral presentation.

Mu帽oz Caro, G. M.
La misi贸n Rosetta, los cometas y el origen de la vida.
Ciclo de Conferencias del ITEFI, Madrid, Dec. 3, 2021, invited oral presentation.

Mu帽oz Caro, G. M.; Carrascosa, H.; Gonz谩lez D铆az, C.; Cazaux, S.; Caselli, P.; Ciaravella, A.; 
Jim茅nez Escobar, A.; Cecchi-Pestellini, C.; Chen, Y.-J.
Thermal and photon-induced desorption dependence on ice mantle composition and physical properties.
Laboratory Astrophysics Workshop on Dust, Ice, and complex molecules in the ISM, Dornburger Castles, 
Germany, Nov. 22-24, 2021, invited oral presentation.

Mu帽oz Caro, G. M.
Thermal and photon-induced desorption dependence on ice mantle composition and physical properties.
Conference From prestellar cores to solar nebulae: the Formation and Evolution of Protoplanetary
discs (Core2Disk), Institut Pascal, Saclay, France 17-28 May, 2021, invited oral presentation.

Mu帽oz Caro, G. M.
Acreci贸n y fotodesorci贸n de hielo de CO en funci贸n del 谩ngulo de deposici贸n.
Conference Astrophysics Laboratory on Cosmic Organics and Ices (I-ALCOI), Alcoi 21-
23 May, 2019, invited oral presentation.

Mu帽oz Caro, G. M.
Spectroscopy of astrophysical ice analogs in the IR and vacuum-UV.
X Iberian Spectroscopy Conference and the XXVI National Spectroscopy Meeting (RNE),
Lisbon 9-11 July, 2018, invited plenary lecturer.

Mu帽oz Caro, G. M.
Los Cometas y el Or铆gen de la Vida.
XIV International Congress of Scientific Research, Santo Domingo (R. Dominicana) 6-8
June, 2018, invited oral presentation.

Mu帽oz Caro, G. M.
Los Cometas y el Or铆gen de la Vida.
Instituto Tecnol贸gico de Santo Domingo (INTEC), Santo Domingo (R. Dominicana) 5 June,
2018, invited oral presentation.

Mu帽oz Caro, G. M.
A comparison of UV, X-ray, and ion processing of icy dust analogs.
Cosmic Rays: The salt of the star formation recipe, Florence 2-4 May, 2018, invited oral presentation.

Professional Organizations and Associations

Coordinator of Interstellar and Circumstellar group at CAB since 2014.

Coordinator of Laboratory for Simulation of Interstellar and Planetary Environments at CAB.

NASA Group Achievement Award for participation in MSL REMS Instrument Development and Science Team for Mars Rover mission.

Referee: Nature, Science, ApJ, A&A, MNRAS, Icarus, Planetary and Space Science, Angewandte, PCCP, Journal of Chemical Physics, Symmetry, Advances in Geosciences, Journal of Geophysical Research-Planets.

External expert of European ERC proposals.

Reviewer and/or panel member of scientific agencies: DFG (Germany), ANR (France), STFC & NERC (UK), NSC (Poland), CSF (Czech R.), FNRS (Belgium), NASA (USA), ANEP (Spain).