Comprehensive rotational study and astronomical search for cyclopropanecarboxaldehyde

2021-10-27T10:46:59+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

2021-10-27T10:46:59+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

2021-10-27T10:46:59+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 [...]

Space and laboratory observation of the deuterated cyanomethyl radical HDCCN

2021-10-27T10:46:58+02:00Tags: |

Authors: Cabezas, C.; Endo, Y.; Roueff, E.; Marcelino, N.; Agundez, M.; Tercero, B.; Cernicharo, J. Journal: ASTRONOMY & ASTROPHYSICS Publication date: 2021/01/29 DOI: 10.1051/0004-6361/202040210 Abstract: Our observations of TMC-1 with the Yebes 40 m radio telescope in the 31.0-50.3 GHz range allowed us to detect a group of unidentified lines, showing a complex line pattern [...]

Gas phase Elemental abundances in Molecular cloudS (GEMS): III. Unlocking the CS chemistry: the CS plus O reaction

2021-10-27T10:46:56+02:00Tags: |

Authors: 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.; Riviere-Marichalar, P.; Alonso-Albi, T.; Bachiller, R.; Jimenez-Serra, I; Kramer, C.; Tercero, B.; Rodriguez-Baras, M.; Garcia-Burillo, S.; Goicoechea, J. R.; Trevino-Morales, S. P.; Esplugues, G.; Cazaux, S.; [...]

A study of C4H3N isomers in TMC-1: Line by line detection of HCCCH2CN

2021-10-27T10:46:55+02:00Tags: |

Authors: Marcelino, N.; Tercero, B.; Agundez, M.; Cernicharo, J. Journal: ASTRONOMY & ASTROPHYSICS Publication date: 2021/02/12 DOI: 10.1051/0004-6361/202040177 Abstract: We present Yebes 40 m telescope observations of the three most stable C4H3N isomers towards the cyanopolyyne peak of TMC-1. We have detected 13 transitions from CH3C3N (A and E species), 16 lines from CH2CCHCN, and [...]

Discovery of the acetyl cation, CH3CO+, in space and in the laboratory

2021-10-27T10:46:55+02:00Tags: |

Authors: Cernicharo, J.; Cabezas, C.; Bailleux, S.; Margules, L.; Motiyenko, R.; Zou, L.; Endo, Y.; Bermudez, C.; Agundez, M.; Marcelino, N.; Lefloch, B.; Tercero, B.; de Vicente, P. Journal: ASTRONOMY & ASTROPHYSICS Publication date: 2021/02/05 DOI: 10.1051/0004-6361/202040076 Abstract: Using the Yebes 40 m and IRAM 30 m radiotelescopes, we detected two series of harmonically related [...]

Space and laboratory discovery of HC3S+

2021-10-27T10:46:55+02:00Tags: |

Authors: Cernicharo, J.; Cabezas, C.; Endo, Y.; Marcelino, N.; Agundez, M.; Tercero, B.; Gallego, J. D.; de Vicente, P. Journal: ASTRONOMY & ASTROPHYSICS Publication date: 2021/02/04 DOI: 10.1051/0004-6361/202040013 Abstract: We report the detection in TMC-1 of the protonated form of C3S. The discovery of the cation HC3S+ was carried through the observation of four harmonically [...]

Bottlenecks to interstellar sulfur chemistry: Sulfur-bearing hydrides in UV-illuminated gas and grains

2021-10-27T10:46:54+02:00Tags: |

Authors: Goicoechea, J. R.; Aguado, A.; Cuadrado, S.; Roncero, O.; Pety, J.; Bron, E.; Fuente, A.; Riquelme, D.; Chapillon, E.; Herrera, C.; Duran, C. A. Journal: ASTRONOMY & ASTROPHYSICS Publication date: 2021/03/02 DOI: 10.1051/0004-6361/202039756 Abstract: Hydride molecules lie at the base of interstellar chemistry, but the synthesis of sulfuretted hydrides is poorly understood and their [...]

Discovery of allenyl acetylene, H2CCCHCCH, in TMC-1*study of the isomers of C5H4

2021-10-27T10:46:54+02:00Tags: |

Authors: Cernicharo, J.; Cabezas, C.; Agundez, M.; Tercero, B.; Marcelino, N.; Pardo, J. R.; Tercero, F.; Gallego, J. D.; Lopez-Perez, J. A.; deVicente, P. Journal: ASTRONOMY & ASTROPHYSICS Publication date: 2021/03/11 DOI: 10.1051/0004-6361/202140482 Abstract: We present the discovery in TMC-1 of allenyl acetylene, H2CCCHCCH, through the observation of nineteen lines with a signal-tonoise ratio -4-15. [...]

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