Astronomy & Astrophysics. Archivos - Page 2 Of 25 - Instituto De Física Fundamental

Inelastic H + H3+ collision rates and their impact on the determination of the excitation temperature of H3+

Marcelo Castellanos2025-04-29T11:13:22+02:00Tags: Astronomy & Astrophysics. |

Authors: Felix-Gonzalez, Daniel; del Mazo-Sevillano, Pablo; Aguado, Alfredo; Roncero, Octavio; Le Bourlot, Jacques; Roueff, Evelyne; Le Petit, Franck; Bron, Emeric Journal: ASTRONOMY & ASTROPHYSICS Publication date: 2025/01/15 DOI: 10.1051/0004-6361/202452977 Abstract: Context. In diffuse interstellar clouds, the excitation temperature derived from the lowest levels of H3+ is systematically lower than that derived from H2. The differences [...]

Hydrogenation of HOCO and formation of interstellar CO2: a not so straightforward relation

Marcelo Castellanos2025-04-29T11:13:20+02:00Tags: Astronomy & Astrophysics. |

Authors: Molpeceres, German; Enrique-Romero, Joan; Ishibashi, Atsuki; Oba, Yasuhiro; Hidaka, Hiroshi; Lamberts, Thanja; Aikawa, Yuri; Watanabe, Naoki Journal: MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY Publication date: 2025/03/18 DOI: 10.1093/mnras/staf383 Abstract: Carbon dioxide (CO2) is one of the most important interstellar molecules. While it is considered that it forms on the surface of interstellar dust [...]

Identification of the interstellar 1-cyano propargyl radical (HCCCHCN) in TMC-1

Marcelo Castellanos2025-04-29T11:13:16+02:00Tags: Astronomy & Astrophysics. |

Authors: Cabezas, C.; Agundez, M.; Marcelino, N.; Chang, C. H.; Fuentetaja, R.; Tercero, B.; Nakajima, M.; Endo, Y.; de Vicente, P.; Cernicharo, J. Journal: ASTRONOMY & ASTROPHYSICS Publication date: 2025/01/13 DOI: 10.1051/0004-6361/202453419 Abstract: We report the first detection in interstellar medium of the 1-cyano propargyl radical, HC3HCN. This species is an isomer of the 3-cyano [...]

Hydrogenation of acetaldehyde on interstellar ice analogs results in limited destruction

Marcelo Castellanos2025-04-29T11:13:05+02:00Tags: Astronomy & Astrophysics. |

Authors: Molpeceres, G.; Nguyen, T.; Oba, Y.; Watanabe, N. Journal: ASTRONOMY & ASTROPHYSICS Publication date: 2025/02/20 DOI: 10.1051/0004-6361/202451990 Abstract: Context. Acetaldehyde (CH3CHO) is one of the most abundant interstellar complex organic molecules and its hydrogenation has important implications in several fundamental processes of interstellar chemistry, such as deuterium fractionation, reactive desorption, or the relation between [...]

The large PAH sumanene: laboratory rotational spectroscopy and astronomical search

Marcelo Castellanos2025-04-29T11:13:04+02:00Tags: Astronomy & Astrophysics. |

Authors: Moran, Jose R.; Cabezas, Carlos; Hussain, Farha S.; Perez, Cristobal; Cernicharo, Jose; Steber, Amanda L.; Pena, Isabel Journal: MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY Publication date: 2025/03/24 DOI: 10.1093/mnras/staf421 Abstract: The recent interstellar detection of individual polycyclic aromatic hydrocarbons (PAHs) in the Taurus Molecular Cloud (TMC-1) brings with it interest in related species [...]

Detection of thioacetaldehyde (CH3CHS) in TMC-1: Sulfur-oxygen differentiation along the hydrogenation sequence?

Marcelo Castellanos2025-04-29T11:13:00+02:00Tags: Astronomy & Astrophysics. |

Authors: Agundez, M.; Molpeceres, G.; Cabezas, C.; Marcelino, N.; Tercero, B.; Fuentetaja, R.; de Vicente, P.; Cernicharo, J. Journal: ASTRONOMY & ASTROPHYSICS Publication date: 2025/01/28 DOI: 10.1051/0004-6361/202453459 Abstract: In recent years, the chemistry of sulfur in the interstellar medium has experienced renewed interest due to the detection of a large variety of molecules containing sulfur. [...]

The Galaxy Activity, Torus, and Outflow Survey (GATOS). IV. Exploring Ionized Gas Outflows in Central Kiloparsec Regions of GATOS Seyferts

Marcelo Castellanos2025-04-28T11:14:40+02:00Tags: Astronomy & Astrophysics. |

Authors: Zhang, Lulu; Packham, Chris; Hicks, Erin K. S.; Davies, Ric I.; Shimizu, Taro T.; Alonso-Herrero, Almudena; Munoz, Laura Hermosa; Garcia-Bernete, Ismael; Pereira-Santaella, Miguel; Audibert, Anelise; Lopez-Rodriguez, Enrique; Bellocchi, Enrica; Bunker, Andrew J.; Combes, Francoise; Diaz-Santos, Tanio; Gandhi, Poshak; Garcia-Burillo, Santiago; Garcia-Lorenzo, Begona; Gonzalez-Martin, Omaira; Imanishi, Masatoshi; Labiano, Alvaro; Leist, Mason T.; Levenson, Nancy A.; [...]

Polycyclic Aromatic Hydrocarbon Emission in the Central Regions of Three Seyferts and the Implication for Underlying Feedback Mechanisms

Marcelo Castellanos2025-04-28T11:14:39+02:00Tags: Astronomy & Astrophysics. |

Authors: Zhang, Lulu; Garcia-Bernete, Ismael; Packham, Chris; Donnan, Fergus R.; Rigopoulou, Dimitra; Hicks, Erin K. S.; Davies, Ric I.; Shimizu, Taro T.; Alonso-Herrero, Almudena; Almeida, Cristina Ramos; Pereira-Santaella, Miguel; Ricci, Claudio; Bunker, Andrew J.; Leist, Mason T.; Rosario, David J.; Garcia-Burillo, Santiago; Munoz, Laura Hermosa; Combes, Francoise; Imanishi, Masatoshi; Labiano, Alvaro; Esparza-Arredondo, Donaji; Bellocchi, Enrica; [...]

OH as a probe of the warm-water cycle in planet-forming disks

Marcelo Castellanos2025-04-28T11:14:38+02:00Tags: Astronomy & Astrophysics. |

Authors: Zannese, Marion; Tabone, Benoit; Habart, Emilie; Goicoechea, Javier R.; Zanchet, Alexandre; van Dishoeck, Ewine F.; van Hemert, Marc C.; Black, John H.; Tielens, Alexander G. G. M.; Veselinova, A.; Jambrina, P. G.; Menendez, M.; Verdasco, E.; Aoiz, F. J.; Gonzalez-Sanchez, L.; Trahin, Boris; Dartois, Emmanuel; Berne, Olivier; Peeters, Els; He, Jinhua; Sidhu, Ameek; Chown, [...]

Behind the mask: can HARMONI@ELT detect biosignatures in the reflected light of Proxima b?

Marcelo Castellanos2025-04-28T11:14:33+02:00Tags: Astronomy & Astrophysics. |

Authors: Vaughan, Sophia R.; Birkby, Jayne L.; Thatte, Niranjan; Carlotti, Alexis; Houlle, Mathis; Pereira-Santaella, Miguel; Clarke, Fraser; Vigan, Arthur; Lin, Zifan; Kaltenegger, Lisa Journal: MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY Publication date: 2024/01/23 DOI: 10.1093/mnras/stae242 Abstract: Proxima b is a rocky exoplanet in the habitable zone of the nearest star system and a key [...]