Chemical evolution in the early phases of massive star formation. I

T Gerner, H Beuther, D Semenov, H Linz… - Astronomy & …, 2014 - aanda.org
Understanding the chemical evolution of young (high-mass) star-forming regions is a central
topic in star formation research. Chemistry is employed as a unique tool 1) to investigate the …

[HTML][HTML] HCN emission from translucent gas and UV-illuminated cloud edges revealed by wide-field IRAM 30 m maps of the Orion B GMC-Revisiting its role as a tracer …

MG Santa-Maria, JR Goicoechea, J Pety… - Astronomy & …, 2023 - aanda.org
Context. Massive stars form within dense clumps inside giant molecular clouds (GMCs).
Finding appropriate chemical tracers of the dense gas (n (H 2)> several 10 4 cm− 3 or AV> 8 …

THE BOLOCAM GALACTIC PLANE SURVEY. X. A COMPLETE SPECTROSCOPIC CATALOG OF DENSE MOLECULAR GAS OBSERVED TOWARD 1.1 mm DUST …

YL Shirley, TP Ellsworth-Bowers… - The Astrophysical …, 2013 - iopscience.iop.org
ABSTRACT The Bolocam Galactic Plane Survey (BGPS) is a 1.1 mm continuum survey of
dense clumps of dust throughout the Galaxy covering 170 deg 2. We present spectroscopic …

The galactic census of high-and medium-mass protostars. IV. Molecular clump radiative transfer, mass distributions, kinematics, and dynamical evolution

PJ Barnes, AK Hernandez, E Muller… - The Astrophysical …, 2018 - iopscience.iop.org
Abstract We present 12 CO, 13 CO, and C 18 O data as the next major release for the
CHaMP project, an unbiased sample of Galactic molecular clouds in l= 280–300. From a …

The galactic census of high-and medium-mass protostars. II. Luminosities and evolutionary states of a complete sample of dense gas clumps

B Ma, JC Tan, PJ Barnes - The Astrophysical Journal, 2013 - iopscience.iop.org
ABSTRACT The Census of High-and Medium-mass Protostars (CHaMP) is the first large-
scale (280< l< 300,− 4< b< 2), unbiased, subparsec resolution survey of Galactic molecular …

SOFIA and ALMA Investigate Magnetic Fields and Gas Structures in Massive Star Formation: The Case of the Masquerading Monster in BYF 73

PJ Barnes, SD Ryder, G Novak… - The Astrophysical …, 2023 - iopscience.iop.org
Abstract We present Stratospheric Observatory For Infrared Astronomy (SOFIA)+ Atacama
Large Millimeter/submillimeter Array (ALMA) continuum and spectral-line polarization data …

On the diagnostic power of FIR/sub-mm SED fitting in massive galactic molecular clumps

RL Pitts, PJ Barnes, F Varosi - Monthly Notices of the Royal …, 2019 - academic.oup.com
We used far-infrared (FIR) and sub-millimetre continuum data from Herschel and the
Atacama Pathfinder EXperiment (APEX) to fit pixel-by-pixel modified Planck spectral energy …

The galactic census of high-and medium-mass protostars. III. 12CO maps and physical properties of dense clump envelopes and their embedding GMCs

PJ Barnes, AK Hernandez… - The Astrophysical …, 2016 - iopscience.iop.org
We report the second complete molecular line data release from the Census of High-and
Medium-mass Protostars (CHaMP), a large-scale, unbiased, uniform map** survey at sub …

Physical Properties and Kinematics of Dense Cores Associated with Regions of Massive Star Formation from the Southern Sky

LE Pirogov, PM Zemlyanukha, EM Dombek… - Astronomy Reports, 2023 - Springer
The results of spectral observations in the GHz frequency range of six objects in the
southern sky containing dense cores and associated with regions of formation of massive …

Dust Temperature Profiles in Dense Cores Related to the High-Mass Star-Forming Regions

LE Pirogov - Radiophysics and Quantum Electronics, 2022 - Springer
We obtained continuum maps at a wavelength of 350 μm for eight gas–dust clouds from the
southern hemisphere using the APEX-12m telescope. The clouds are related to the regions …