Ionized Carbon around IRC+10216

2022-09-19T15:57:15+02:00Tags: |

Authors: Reach, William T.; Ruaud, Maxime; Wiesemeyer, Helmut; Riquelme, Denise; Le Ngoc Tram; Cernicharo, Jose; Smith, Nathan; Chambers, Edward T. Journal: ASTROPHYSICAL JOURNAL Publication date: 2022/02/01 DOI: 10.3847/1538-4357/ac4162 Abstract: Asymptotic giant branch stars create a rich inventory of molecules in their envelopes as they lose mass during later stages of their evolution. These molecules cannot [...]

[C II] 158 mu m line emission from Orion A II. Photodissociation region physics

2022-09-19T15:57:15+02:00Tags: |

Authors: Pabst, C. H. M.; Goicoechea, J. R.; Hacar, A.; Teyssier, D.; Berne, O.; Wolfire, M. G.; Higgins, R. D.; Chambers, E. T.; Kabanovic, S.; Guesten, R.; Stutzki, J.; Kramer, C.; Tielens, A. G. G. M. Journal: ASTRONOMY & ASTROPHYSICS Publication date: 2022/02/04 DOI: 10.1051/0004-6361/202140805 Abstract: Context. The [C II] 158 mu m fine-structure line [...]

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

2022-09-19T15:57:15+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 [...]

Breaking Orion’s Veil with fossil outflows

2022-09-19T15:57:15+02:00Tags: |

Authors: Kavak, U.; Goicoechea, J. R.; Pabst, C. H. M.; Bally, J.; van der Tak, F. F. S.; Tielens, A. G. G. M. Journal: ASTRONOMY & ASTROPHYSICS Publication date: 2022/04/22 DOI: 10.1051/0004-6361/202141367 Abstract: Context. The role of feedback in the self-regulation of star formation is a fundamental question in astrophysics. The Orion Nebula is the [...]

Anomalous HCN emission from warm giant molecular clouds

2022-09-19T15:57:14+02:00Tags: |

Authors: Goicoechea, Javier R.; Lique, Francois; Santa-Maria, Miriam G. Journal: ASTRONOMY & ASTROPHYSICS Publication date: 2022/01/27 DOI: 10.1051/0004-6361/202142210 Abstract: Hydrogen cyanide (HCN) is considered a good tracer of the dense molecular gas that serves as fuel for star formation. However, recent large-scale surveys of giant molecular clouds (GMCs) have detected extended HCN rotational line emission [...]

Organic Molecules in Interstellar Space: Latest Advances

2022-09-19T15:57:14+02:00Tags: |

Authors: Guelin, Michel; Cernicharo, Jose Journal: FRONTIERS IN ASTRONOMY AND SPACE SCIENCES Publication date: 2022/03/02 DOI: 10.3389/fspas.2022.787567 Abstract: Although first considered as too diluted for the formation of molecules in-situ and too harsh an environment for their survival, the interstellar medium has turned out to host a rich palette of molecular species: to date, 256 [...]

Detection of the S(1) Rotational Line of H-2 toward IRC+10216: A Simultaneous Measurement of the Mass-loss Rate and CO Abundance

2022-09-19T15:57:10+02:00Tags: |

Authors: Fonfria, J. P.; DeWitt, C. N.; Montiel, E. J.; Cernicharo, J.; Richter, M. J. Journal: ASTROPHYSICAL JOURNAL LETTERS Publication date: 2022/03/01 DOI: 10.3847/2041-8213/ac5a58 Abstract: We report the first detection of the S(1) pure rotational line of ortho-H-2 at 17.04 mu m in an asymptotic giant branch star, using observations of IRC+10216 with the Echelon-cross-echelle [...]

Discovery of C5H+ and detection of C3H+ in TMC-1 with the QUIJOTE line surveyx22c6;

2022-09-19T15:57:10+02:00Tags: |

Authors: Cernicharo, J.; Agundez, M.; Cabezas, C.; Fuentetaja, R.; Tercero, B.; Marcelino, N.; Endo, Y.; Pardo, J. R.; de Vicente, P. Journal: ASTRONOMY & ASTROPHYSICS Publication date: 2022/01/24 DOI: 10.1051/0004-6361/202142992 Abstract: We report the discovery of the C5H+ cation toward TMC-1 with the QUIJOTE line survey. Four lines from Jx2004;=7 - 6 up to J10 [...]

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, [...]

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