A global view on star formation: The GLOSTAR Galactic plane survey. II. Supernova Remnants in the first quadrant of the Milky Way

no code implementations • 10 Mar 2021 • Rohit Dokara, A. Brunthaler, K. M. Menten, S. A. Dzib, W. Reich, W. D. Cotton, L. D. Anderson, C. -H. R. Chen, Y. Gong, S. -N. X. Medina, G. N. Ortiz-León, M. Rugel, J. S. Urquhart, F. Wyrowski, A. Yang, H. Beuther, S. J. Billington, T. Csengeri, C. Carrasco-González, N. Roy

We aim to identify SNR candidates using continuum images from the Karl G. Jansky Very Large Array GLObal view of the STAR formation in the Milky Way (GLOSTAR) survey.

Astrophysics of Galaxies High Energy Astrophysical Phenomena

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

Rotational spectroscopic study and astronomical search for propiolamide in Sgr B2(N)

no code implementations • 9 Feb 2021 • E. R. Alonso, L. Kolesniková, A. Belloche, S. Mata, R. T. Garrod, A. Jabri, I. León, J. -C. Guillemin, H. S. P. Müller, K. M. Menten, J. L. Alonso

Among the abundant nitriles for which the corresponding amide has not yet been detected is cyanoacetylene (HCCCN), whose amide counterpart is propiolamide (HCCC(O)NH$_2$).

Astrophysics of Galaxies

Hunting for the elusive methylene radical

no code implementations • 7 Jan 2021 • A. M. Jacob, K. M. Menten, Y. Gong, P. Bergman, M. Tiwari, S. Bruenken, A. O. H. Olofsson

This analysis confirms our hypothesis that CH2 originates in warm and dilute PDR layers.

Astrophysics of Galaxies

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

Infrared observations of the flaring maser source G358.93-0.03 -- SOFIA confirms an accretion burst from a massive young stellar object

no code implementations • 5 Jan 2021 • B. Stecklum, V. Wolf, H. Linz, A. Caratti o Garatti, S. Schmidl, S. Klose, J. Eislöffel, Ch. Fischer, C. Brogan, R. Burns, O. Bayandina, C. Cyganowski, M. Gurwell, T. Hunter, N. Hirano, K. -T. Kim, G. MacLeod, K. M. Menten, M. Olech, G. Orosz, A. Sobolev, T. K. Sridharan, G. Surcis, K. Sugiyama, J. van der Walt, A. Volvach, Y. Yonekura

The verification of the accretion burst from G358 is another confirmation that Class II methanol maser flares represent an alert for such events.

Solar and Stellar Astrophysics

Physical and chemical structure of the Serpens filament -- fast formation and gravity-driven accretion

no code implementations • 22 Dec 2020 • Y. Gong, A. Belloche, F. J. Du, K. M. Menten, C. Henkel, G. X. Li, F. Wyrowski, R. Q. Mao

We performed $^{13}$CO (1--0), C$^{18}$O (1--0), C$^{17}$O (1--0), $^{13}$CO (2--1), C$^{18}$O (2--1), and C$^{17}$O (2--1) imaging observations toward the Serpens filament with the Institut de Radioastronomie Millim{\'e}trique 30-m (IRAM-30 m) and Atacama Pathfinder EXperiment (APEX) telescopes.

Astrophysics of Galaxies