Results 1 to 10 of about 712,706 (243)

Young Stellar Objects in the Massive Star-forming Regions W51 and W43. [PDF]

Astrophys J, 2017
We present the results of our investigation of the star-forming complexes W51 and W43, two of the brightest in the first Galactic quadrant. In order to determine the young stellar object (YSO) populations in W51 and W43 we used color–magnitude relations ...
Saral G, Hora JL, Audard M, Koenig XP, Martínez-Galarza JR, Motte F, Nguyen-Luong Q, Saygac AT, Smith HA.   +8 more
europepmc   +3 more sources

AN ULTRAVIOLET STUDY OF STAR-FORMING REGIONS IN M31 [PDF]

, 2009
We present a comprehensive study of star-forming (SF) regions in the nearest large spiral galaxy M31. We use GALEX far-UV (1344-1786 \AA, FUV) and near-UV (1771-2831 \AA, NUV) imaging to detect young massive stars and trace the recent star formation ...
Yongbeom Kang, L. Bianchi, Soo‐Chang Rey   +2 more
openalex   +4 more sources

Untangling the Formation of Methoxymethanol (CH₃OCH₂OH) and Dimethyl Peroxide (CH₃OOCH₃) in Star-forming Regions [PDF]

Astrophysical Journal, 2019
Methoxymethanol (CH3OCH2OH) was recently detected toward the MM1 core in the high-mass star-forming region NGC 6334I. However, the underlying formation mechanisms of this complex organic molecule (COM) as well as its structural isomers ethylene glycol ...
Cheng Zhu, Robert Frigge, Alexandre Bergantini, Ryan C. Fortenberry, Ralf I. Kaiser   +4 more
openalex   +2 more sources

Alignment Parameters: Quantifying Dense Core Alignment in Star-forming Regions

The Astrophysical Journal
Recent high-resolution observations at millimeter (mm) and submillimeter wavelengths reveal a diverse spatial distribution for subparsec-scale dense cores within star-forming regions, ranging from clustered to aligned arrangements.
Wei-An Chen, Ya-Wen Tang, S. D. Clarke, Patricio Sanhueza   +3 more
doaj   +2 more sources

The Lifetimes of Phases in High-Mass Star-Forming Regions [PDF]

, 2017
High-mass stars form within star clusters from dense, molecular regions, but is the process of cluster formation slow and hydrostatic or quick and dynamic? We link the physical properties of high-mass star-forming regions with their evolutionary stage in
Bally, John, Battersby, Cara, Svoboda, Brian   +2 more
core   +2 more sources

Physical properties and H-ionizing-photon production rates of extreme nearby star-forming regions [PDF]

Monthly notices of the Royal Astronomical Society, 2018
Measurements of the galaxy UV luminosity function at z 6 suggest that young stars hosted in low-mass star-forming galaxies produced the bulk of hydrogen-ionizing photons necessary to reionize the intergalactic medium (IGM) by redshift z ∼ 6. Whether star-
Jacopo Chevallard, S. Charlot, Peter Senchyna, Daniel P. Stark, Alba Vidal-García, A. Feltre, Julia Gutkin, Tucker Jones, Ramesh Mainali, Aida Wofford   +9 more
openalex   +3 more sources

¹³C ISOTOPIC FRACTIONATION OF HC₃N IN STAR-FORMING REGIONS: LOW-MASS STAR-FORMING REGION L1527 AND HIGH-MASS STAR-FORMING REGION G28.28-0.36 [PDF]

, 2016
We observed the J = 9–8 and 10–9 rotational lines of three 13C isotopologues of HC3N in L1527 and G28.28-0.36, with the 45 m radio telescope of the Nobeyama Radio Observatory, in order to constrain the main formation mechanisms of HC3N in each source ...
Kotomi Taniguchi, Masao Saito, Hiroyuki Ozeki   +2 more
openalex   +3 more sources

The great planetary heist: Theft and capture in star-forming regions [PDF]

Monthly notices of the Royal Astronomical Society, 2022
Gravitational interactions in star-forming regions are capable of disrupting and destroying planetary systems, as well as creating new ones. In particular, a planet can be stolen, where it is directly exchanged between passing stars during an ...
Emma C Daffern-Powell, R. Parker, S. Quanz   +2 more
semanticscholar   +1 more source

Water in star-forming regions: physics and chemistry from clouds to disks as probed by Herschel spectroscopy [PDF]

Astronomy & Astrophysics, 2021
Context. Water is a key molecule in the physics and chemistry of star and planet formation, but it is difficult to observe from Earth. The Herschel Space Observatory provided unprecedented sensitivity as well as spatial and spectral resolution to study ...
E. V. van Dishoeck, L. Kristensen, J. Mottram, A. Benz, E. Bergin, P. Caselli, F. Herpin, M. Hogerheijde, D. Johnstone, R. Liseau, B. Nisini, M. Tafalla, F. V. D. van der Tak, F. Wyrowski, A. Baudry, M. Benedettini, P. Bjerkeli, G. Blake, J. Braine, S. Bruderer, S. Cabrit, J. Cernicharo, Y. Choi, A. Coutens, T. de Graauw, C. Dominik, D. Fedele, M. Fich, A. Fuente, K. Furuya, J. Goicoechea, D. Harsono, F. Helmich, G. Herczeg, T. Jacq, A. Karska, M. Kaufman, E. Keto, T. Lamberts, B. Larsson, S. Leurini, D. Lis, G. Melnick, D. Neufeld, L. Pagani, M. Persson, R. Shipman, V. Taquet, T. V. van Kempen, C. Walsh, S. Wampfler, U. Yıldız   +51 more
semanticscholar   +1 more source

ATOMS: ALMA Three-millimeter Observations of Massive Star-forming regions – I. Survey description and a first look at G9.62+0.19 [PDF]

Monthly notices of the Royal Astronomical Society, 2020
The ATOMS, standing for ALMA Three-millimeter Observations of Massive Star-forming regions, survey has observed 146 active star-forming regions with ALMA band 3, aiming to systematically investigate the spatial distribution of various dense gas tracers
Tie Liu, N. Evans, Kee-Tae Kim, P. Goldsmith, Sheng-Yuan Liu, Qizhou Zhang, K. Tatematsu, Ke Wang, M. Juvela, L. Bronfman, M. Cunningham, G. Garay, T. Hirota, Jeong-Eun Lee, Sung-ju Kang, Di Li, P. Li, D. Mardones, S. Qin, I. Ristorcelli, A. Tej, L. V. Tóth, Jingwen Wu, Yue-fang Wu, Hee-Weon Yi, H. Yun, Hongli Liu, Yaping Peng, Juan Li, Shanghuo Li, C. Lee, Zhi-qiang Shen, T. Baug, Junzhi Wang, Yong Zhang, Namitha Issac, Feng-Yao Zhu, Q. Luo, A. Soam, Xunchuan Liu, Fengwei Xu, Yu Wang, Chao Zhang, Z. Ren, Chao Zhang   +44 more
semanticscholar   +1 more source