Probing the mass loss history of carbon stars using CO line and dust continuum emission [PDF]
11pages, 7 figures, accepted by A& ...
Schöier, F.L., Ryde, N., Olofsson, H.
openaire +3 more sources
ALMA Observation of NGC 5135: The Circumnuclear CO (6–5) and Dust Continuum Emission at 45 pc Resolution* [PDF]
Abstract We present high-resolution (0.″17 × 0.″14) Atacama Large Millimeter/submillimeter Array (ALMA) observations of the CO (6–5) line and 435 μm dust continuum emission within a ∼9″ × 9″ area centered on the nucleus of the galaxy NGC 5135.
Tianwen Cao +12 more
openaire +4 more sources
IRAM-PdBI Observations of Binary Protostars I: The Hierarchical System SVS13 in NGC1333 [PDF]
We present millimeter interferometric observations of the young stellar object SVS13 in NCG1333 in the N2H+(1-0) line and at 1.4 and 3mm dust continuum, using the IRAM Plateau de Bure interferometer. The results are complemented by infrared data from the
Aikawa +31 more
core +1 more source
Hot gas and dust in a protostellar cluster near W3(OH [PDF]
We used the IRAM Interferometer to obtain sub-arcsecond resolution observations of the high-mass star-forming region W3(OH) and its surroundings at a frequency of 220 GHz.
Baudry A. +10 more
core +2 more sources
ALMA uncovers the [C
ABSTRACT We report on the detection of the [C ii] 157.7 μm emission from the Lyman break galaxy (LBG) MACS0416_Y1 at z = 8.3113, by using the Atacama Large Millimeter/submillimeter Array (ALMA). The luminosity ratio of [O iii] 88 μm (from previous campaigns) to [C ii] is 9.3 ± 2.6, indicative of hard interstellar radiation fields and/or ...
Tom J L C Bakx +17 more
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NIKA2 observations around LBV stars Emission from stars and circumstellar material [PDF]
Luminous Blue Variable (LBV) stars are evolved massive objects, previous to core-collapse supernova. LBVs are characterized by photometric and spectroscopic variability, produced by strong and dense winds, mass-loss events and very intense UV radiation ...
Ricardo Rizzo J. +2 more
doaj +1 more source
ALMA Observations of Circumstellar Disks in the Upper Scorpius OB Association [PDF]
We present ALMA observations of 106 G-, K-, and M-type stars in the Upper Scorpius OB Association hosting circumstellar disks. With these data, we measure the 0.88 mm continuum and $^{12}$CO $J$ = 3$-$2 line fluxes of disks around low-mass ($0.14-1.66 ...
Barenfeld, Scott A. +3 more
core +2 more sources
Identifying circumstellar dust around oxygen-rich mira variables with maser emission via continuum elimination [PDF]
Stars between about 0.8 and 8 times the mass of the Sun will eventually evolve, becoming asymptotic giant branch (AGB) stars, where they pulsate and eject mass from their atmospheres, forming dust shells in the space around them. Evolved low- and intermediate-mass stars with carbon-to-oxygen ratios (C/O) below unity are known as oxygen-rich stars.
openaire +2 more sources
Anomalous radio emission from dust in the Helix [PDF]
A byproduct of experiments designed to map the CMB is the recent detection of a new component of foreground Galactic emission. The anomalous foreground at ~ 10--30 GHz, unexplained by traditional emission mechanisms, correlates with 100um dust emission ...
A. C. S. Readhead +20 more
core +2 more sources
Imaging of 2-mm dust continuum emission towards S106 FIR and its spectral energy distribution [PDF]
The class 0 source S106 FIR is a good candidate to investigate a very early phase of star formation because of the presence of an AU-scale Microjet, discovered by our VLBA H2O maser observations and the absence of an extensive CO outflow. In order to reveal the properties of S106 FIR, we conducted observations of 2-mm continuum emission with the ...
Ray S. Furuya +4 more
openaire +1 more source

