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15 papers · 1 filter
Dense cores and star formation in the giant molecular cloud Vela~C
F. Massi, A. Weiss, D. Elia +12
Context The Vela Molecular Ridge is one of the nearest (700 pc) giant molecular cloud (GMC) complexes hosting intermediate-mass (up to early B, late O stars) star formation, and is…
Kinematic detection of a planet carving a gap in a protoplanetary disc
C. Pinte, G. van der Plas, F. Menard +10
We still do not understand how planets form, or why extra-solar planetary systems are so different from our own solar system. But the last few years have dramatically changed our v…
Kinematic evidence for an embedded protoplanet in a circumstellar disc
C. Pinte, D. J. Price, F. Menard +6
Discs of gas and dust surrounding young stars are the birthplace of planets. However, direct detection of protoplanets forming within discs has proved elusive to date. We present t…
Direct mapping of the temperature and velocity gradients in discs. Imaging the vertical CO snow line around IM Lupi
C. Pinte, F. Menard, G. Duchene +14
Accurate measurements of the physical structure of protoplanetary discs are critical inputs for planet formation models. These constraints are traditionally established via complex…
From forced collapse to H ii region expansion in Mon R2: Envelope density structure and age determination with Herschel
P. Didelon, F. Motte, P. Tremblin +32
The surroundings of HII regions can have a profound influence on their development, morphology, and evolution. This paper explores the effect of the environment on H II regions in…
Dust and Gas in the disc of HL Tauri: Surface density, dust settling, and dust-to-gas ratio
Christophe Pinte, William R. F. Dent, Francois Menard +4
The recent ALMA observations of the disc surrounding HL Tau reveal a very complex dust spatial distribution. We present a radiative transfer model accounting for the observed gaps…
First Results from High Angular Resolution ALMA Observations Toward the HL Tau Region
ALMA Partnership, C. L. Brogan, L. M. Perez +82
We present Atacama Large Millimeter/submillimeter Array (ALMA) observations from the 2014 Long Baseline Campaign in dust continuum and spectral line emission from the HL Tau region…
MALT-45: A 7 mm survey of the southern Galaxy - I. Techniques and spectral line data
Christopher H. Jordan, Andrew J. Walsh, Vicki Lowe +12
We present the first results from the MALT-45 (Millimetre Astronomer's Legacy Team - 45 GHz) Galactic Plane survey. We have observed 5 square-degrees (, …
Class 0 Protostars in the Perseus Molecular Cloud: A Correlation Between the Youngest Protostars and the Dense Gas Distribution
S. I. Sadavoy, J. Di Francesco, Ph. Andre +18
We use PACS and SPIRE continuum data at 160 um, 250 um, 350 um, and 500 um from the Herschel Gould Belt Survey to sample seven clumps in Perseus: B1, B1-E, B5, IC348, L1448, L1455,…
The W43-MM1 mini-starburst ridge, a test for star formation efficiency models
Fabien Louvet, Frédérique Motte, Patrick Hennebelle +12
Context: Star formation efficiency (SFE) theories are currently based on statistical distributions of turbulent cloud structures and a simple model of star formation from cores. Th…
Herschel Reveals Massive Cold Clumps in NGC 7538
C. Fallscheer, M. A. Reid, J. Di Francesco +29
We present the first overview of the Herschel observations of the nearby high-mass star-forming region NGC 7538, taken as part of the Herschel imaging study of OB Young Stellar obj…
Herschel view of the Taurus B211/3 filament and striations: Evidence of filamentary growth?
P. Palmeirim, Ph. André, J. Kirk +23
We present first results from the Herschel Gould Belt survey for the B211/L1495 region in the Taurus molecular cloud. Thanks to their high sensitivity and dynamic range, the Hersch…
Resolving the Vela C ridge with P-ArTeMiS and Herschel
T. Hill, Ph. Andre, D. Arzoumanian +25
We present APEX/P-ArTéMiS 450μm continuum observations of RCW 36 and the adjacent ridge, a high-mass high-column density filamentary structure at the centre of the Vela C molecular…
The M16 molecular complex under the influence of NGC6611. Herschel's perspective of the heating effect on the Eagle Nebula
T. Hill, F. Motte, P. Didelon +25
We present Herschel images from the HOBYS key program of the Eagle Nebula (M16) in the far-infrared and sub-millimetre, using the PACS and SPIRE cameras at 70μm, 160μm, 250μm, 350μ…
Physical characterisation of southern massive star-forming regions using Parkes NH observations
T. Hill, S. N. Longmore, C. Pinte +3
We have undertaken a Parkes ammonia spectral line study, in the lowest two inversion transitions, of southern massive star formation regions, including young massive candidate prot…