Fragmentation in the massive G31.41+0.31 protocluster

no code implementations • 8 Mar 2021 • M. T. Beltrán, V. M. Rivilla, R. Cesaroni, L. T. Maud, D. Galli, L. Moscadelli, A. Lorenzani, A. Ahmadi, H. Beuther, T. Csengeri, S. Etoka, C. Goddi, P. D. Klaassen, R. Kuiper, M. S. N. Kumar, T. Peters, Á. Sánchez-Monge, P. Schilke, F. van der Tak, S. Vig, H. Zinnecker

Sources A and B, located closer to the center of the core and separated by 750 au, are clearly associated with two free-free continuum sources, likely thermal radio jets, and are the brightest in the core.

Astrophysics of Galaxies

The physical and chemical structure of high-mass star-forming regions. Unraveling chemical complexity with the NOEMA large program "CORE"

no code implementations • 23 Feb 2021 • C. Gieser, H. Beuther, D. Semenov, A. Ahmadi, S. Suri, T. Möller, M. T. Beltran, P. Klaassen, Q. Zhang, J. S. Urquhart, Th. Henning, S. Feng, R. Galván-Madrid, V. de Souza Magalhães, L. Moscadelli, S. Longmore, S. Leurini, R. Kuiper, T. Peters, K. M. Menten, T. Csengeri, G. Fuller, F. Wyrowski, S. Lumsden, Á. Sánchez-Monge, L. Maud, H. Linz, A. Palau, P. Schilke, J. Pety, R. Pudritz, J. M. Winters, V. Piétu

Within the 18 observed regions, we identify 22 individual cores with associated 1. 37 mm continuum emission and with a radially decreasing temperature profile.

Astrophysics of Galaxies Solar and Stellar Astrophysics

Multi-scale view of star formation in IRAS 21078+5211: From clump fragmentation to disk wind

no code implementations • 9 Feb 2021 • L. Moscadelli, H. Beuther, A. Ahmadi, C. Gieser, F. Massi, R. Cesaroni, Á. Sánchez-Monge, F. Bacciotti, M. T. Beltrán, T. Csengeri, R. Galván-Madrid, Th. Henning, P. D. Klaassen, R. Kuiper, S. Leurini, S. N. Longmore, L. T. Maud, T. Möller, A. Palau, T. Peters, R. E. Pudritz, A. Sanna, D. Semenov, J. S. Urquhart, J. M. Winters, H. Zinnecker

In the massive star-forming region IRAS 21078+5211, a highly fragmented cluster (0. 1~pc in size) of molecular cores is observed, located at the density peak of an elongated (1~pc in size) molecular cloud.

Astrophysics of Galaxies Solar and Stellar Astrophysics

Trigonometric Parallaxes of Four Star-forming RegionGalaxys in the Distant Inner

no code implementations • 5 Jan 2021 • Y. Xu, S. B. Bian, M. J. Reid, J. J. Li, K. M. Menten, T. M. Dame, B. Zhang, A. Brunthaler, Y. W. Wu, L. Moscadelli, G. Wu, X. W. Zheng

G020. 77$-$0. 05 is in the Galactic Center region and is likely associated with a far-side extension of the Scutum arm.

Astrophysics of Galaxies