Variations in the Galactic star formation rate and density thresholds for star formation

SN Longmore, J Bally, L Testi… - Monthly Notices of …, 2013 - academic.oup.com
The conversion of gas into stars is a fundamental process in astrophysics and cosmology.
Stars are known to form from the gravitational collapse of dense clumps in interstellar …

Molecular gas kinematics within the central 250 pc of the Milky Way

JD Henshaw, SN Longmore… - Monthly Notices of …, 2016 - academic.oup.com
Using spectral line observations of HNCO, N2H+, and HNC, we investigate the kinematics of
dense gas in the central∼ 250 pc of the Galaxy. We present scouse (Semi-automated multi …

The red MSX source survey: The massive young stellar population of our galaxy

SL Lumsden, MG Hoare, JS Urquhart… - The Astrophysical …, 2013 - iopscience.iop.org
We present the Red MSX Source survey, the largest statistically selected catalog of young
massive protostars and H ii regions to date. We outline the construction of the catalog using …

The observed spiral structure of the Milky Way

LG Hou, JL Han - Astronomy & Astrophysics, 2014 - aanda.org
Context. The spiral structure of the Milky Way is not yet well determined. The keys to
understanding this structure are to increase the number of reliable spiral tracers and to …

ATLASGAL–compact source catalogue: 330°< ℓ< 21°

Y Contreras, F Schuller, JS Urquhart… - Astronomy & …, 2013 - aanda.org
Context. The APEX Telescope Large Area Survey of the GALaxy (ATLASGAL) is the first
systematic survey of the inner Galactic plane in the sub-millimetre. The observations were …

ATLASGAL–towards a complete sample of massive star forming clumps

JS Urquhart, TJT Moore, T Csengeri… - Monthly Notices of …, 2014 - academic.oup.com
By matching infrared-selected, massive young stellar objects (MYSOs) and compact H ii
regions in the Red MSX Source survey to massive clumps found in the submillimetre …

The MPIfR–MeerKAT Galactic Plane Survey–I. System set-up and early results

PV Padmanabh, ED Barr, SS Sridhar… - Monthly Notices of …, 2023 - academic.oup.com
Galactic plane radio surveys play a key role in improving our understanding of a wide range
of astrophysical phenomena. Performing such a survey using the latest interferometric …

A Keplerian disk with a four-arm spiral birthing an episodically accreting high-mass protostar

RA Burns, Y Uno, N Sakai, J Blanchard, Z Rosli… - Nature …, 2023 - nature.com
High-mass protostars (M⋆> 8 M⊙) are thought to gain the majority of their mass via short,
intense bursts of growth. This episodic accretion is thought to be facilitated by gravitationally …

Ammonia from cold high-mass clumps discovered in the inner Galactic disk by the ATLASGAL survey

M Wienen, F Wyrowski, F Schuller, KM Menten… - Astronomy & …, 2012 - aanda.org
Context. The APEX Telescope Large Area Survey: the GALaxy (ATLASGAL) is an unbiased
continuum survey of the inner Galactic disk at 870 μm. It covers±60° in Galactic longitude …

The Green Bank Telescope H II region discovery survey. II. The source catalog

LD Anderson, TM Bania, DS Balser… - The Astrophysical …, 2011 - iopscience.iop.org
ABSTRACT The Green Bank Telescope (GBT) H ii Region Discovery Survey has doubled
the number of known H ii regions in the Galactic zone 343⩽ ℓ⩽ 67 with| b|⩽ 1. We detected …