New deuterated species in TMC-1: Detection of CH2DC4H with the QUIJOTE line survey ⋆

2022-09-19T15:57:09+02:00Tags: |

Authors: Cabezas, C.; Fuentetaja, R.; Roueff, E.; Agundez, M.; Tercero, B.; Marcelino, N.; Pardo, J. R.; de Vicente, P.; Cernicharo, J. Journal: ASTRONOMY & ASTROPHYSICS Publication date: 2022/01/10 DOI: 10.1051/0004-6361/202142814 Abstract: We report the first detection in space of the single deuterated isotopologue of methyldiacetylene, CH2DC4H. A total of 12 rotational transitions, with J = [...]

PDRs4All: A JWST Early Release Science Program on Radiative Feedback from Massive Stars

2022-09-19T15:57:09+02:00Tags: |

Authors: Berne, Olivier; Habart, Emilie; Peeters, Els; Abergel, Alain; Bergin, Edwin A.; Bernard-Salas, Jeronimo; Bron, Emeric; Cami, Jan; Dartois, Emmanuel; Fuente, Asuncion; Goicoechea, Javier R.; Gordon, Karl D.; Okada, Yoko; Onaka, Takashi; Robberto, Massimo; Rollig, Markus; Tielens, Alexander G. G. M.; Vicente, Silvia; Wolfire, Mark G.; Alarcon, Felipe; Boersma, C.; Canin, Amelie; Chown, Ryan; Dicken, [...]

Detection of the propargyl radical at lambda 3 mm

2022-09-19T15:57:06+02:00Tags: |

Authors: Agundez, M.; Marcelino, N.; Cabezas, C.; Fuentetaja, R.; Tercero, B.; de Vicente, P.; Cernicharo, J. Journal: ASTRONOMY & ASTROPHYSICS Publication date: 2022/01/17 DOI: 10.1051/0004-6361/202142678 Abstract: We report the detection of the propargyl radical (CH2CCH) in the cold dark cloud TMC-1 in the lambda 3 mm wavelength band. We recently discovered this species in space [...]

M 1-92 Revisited: New Findings and Open Questions: New NOEMA Observations of Minkowski’s Footprint

2022-09-19T15:57:06+02:00Tags: |

Authors: Alcolea, Javier; Agundez, Marcelino; Bujarrabal, Valentin; Castro-Carrizo, Arancha; Desmurs, Jean-Francois; Martinez-Fernandez, John-Eduard; Sanchez Contreras, Carmen; Santander-Garcia, Miguel Journal: GALAXIES Publication date: 2022/04/01 DOI: 10.3390/galaxies10020047 Abstract: PN M 1-92, also known as Minkowski's Footprint, is a textbook example of a massive pre-planetary nebula. It presents all the characteristics of this type of source: non-spherical symmetry [...]

A new protonated molecule discovered in TMC-1: HCCNCH+& x22c6;

2022-09-19T15:57:06+02:00Tags: |

Authors: Agundez, M.; Cabezas, C.; Marcelino, N.; Fuentetaja, R.; Tercero, B.; de Vicente, P.; Cernicharo, J. Journal: ASTRONOMY & ASTROPHYSICS Publication date: 2022/03/24 DOI: 10.1051/0004-6361/202243396 Abstract: In recent years we have seen an important increase in the number of protonated molecules detected in cold dense clouds. Here we report the detection in TMC-1 of HCCNCH+, [...]

Discovery of the cyclic C5H radical in TMC-1

2022-07-01T20:22:00+02:00Tags: |

Authors: Cabezas, C.; Agundez, M.; Fuentetaja, R.; Endo, Y.; Marcelino, N.; Tercero, B.; Pardo, J. R.; de Vicente, P.; Cernicharo, J. Journal: ASTRONOMY & ASTROPHYSICS Publication date: 2022/07/01 DOI: 10.1051/0004-6361/202244063 Abstract: Cyclic C5H (c-C5H), the radical formed by substituting an ethynyl group CCH for the hydrogen atom in the c-C3H radical, has been detected for [...]

Ultra-deep 31.0-50.3 GHz spectral survey of IRC+10216

2022-04-19T10:15:51+02:00Tags: |

Authors: Pardo, J. R.; Cernicharo, J.; Tercero, B.; Cabezas, C.; Bermudez, C.; Agundez, M.; Gallego, J. D.; Tercero, F.; Gomez-Garrido, M.; de Vicente, P.; Lopez-Perez, J. A. Journal: ASTRONOMY & ASTROPHYSICS Publication date: 2022/01/28 DOI: 10.1051/0004-6361/202142263 Abstract: Context. The carbon-rich envelope of the asymptotic giant branch star CW Leo, IRC+10216, is one of the richest [...]

Comprehensive rotational study and astronomical search for cyclopropanecarboxaldehyde

2022-04-05T17:41:22+02:00Tags: |

Authors: Cabezas, C.; Neeman, E. M.; Tercero, B.; Bermudez, C.; Cernicharo, J. Journal: ASTRONOMY & ASTROPHYSICS Publication date: 2021/01/15 DOI: 10.1051/0004-6361/202039924 Abstract: Context. At least a dozen molecules with a formyl group (HCO) have been observed to date in the interstellar medium (ISM), suggesting that other such species exist and remain to be discovered. However, [...]

Yebes 40 m radio telescope and the broad band Nanocosmos receivers at 7 mm and 3 mm for line surveys

2022-04-05T17:41:22+02:00Tags: |

Authors: Tercero, F.; Lopez-Perez, J. A.; Gallego, J. D.; Beltran, F.; Garcia, O.; Patino-Esteban, M.; Lopez-Fernandez, I.; Gomez-Molina, G.; Diez, M.; Garcia-Carreno, P.; Malo, I.; Amils, R.; Serna, J. M.; Albo, C.; Hernandez, J. M.; Vaquero, B.; Gonzalez-Garcia, J.; Barbas, L.; Lopez-Fernandez, J. A.; Bujarrabal, V.; Gomez-Garrido, M.; Pardo, J. R.; Santander-Garcia, M.; Tercero, B.; [...]

Silicon and Hydrogen Chemistry under Laboratory Conditions Mimicking the Atmosphere of Evolved Stars

2022-04-05T17:41:22+02:00Tags: |

Authors: Accolla, Mario; Santoro, Gonzalo; Merino, Pablo; Martinez, Lidia; Tajuelo-Castilla, Guillermo; Vazquez, Luis; Sobrado, Jesus M.; Agundez, Marcelino; Jimenez-Redondo, Miguel; Herrero, Victor J.; Tanarro, Isabel; Cernicharo, Jose; Martin-Gago, Jose Angel Journal: ASTROPHYSICAL JOURNAL Publication date: 2021/01/01 DOI: 10.3847/1538-4357/abc703 Abstract: Silicon is present in interstellar dust grains, meteorites and asteroids, and to date 13 silicon-bearing molecules [...]

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