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Euclid: The potential of slitless infrared spectroscopy: A z=5.4 quasar and new ultracool dwarfs
E. Bañados, V. Le Brun, S. Belladitta +226
We demonstrate the potential of Euclid's slitless spectroscopy to discover high-redshift (z>5) quasars and their main photometric contaminant, ultracool dwarfs. Sensitive infrared…
Observations of pre- and proto-brown dwarfs in nearby clouds: paving the way to further constraining theories of brown dwarf formation
Aina Palau, Nuria Huelamo, David Barrado +2
Brown Dwarfs (BDs) are crucial objects in our understanding of both star and planet formation. However, there is still an unconcluded debate about which is the dominant formation m…
Dynamical traceback age of the Octans young stellar association
P. A. B. Galli, N. Miret-Roig, H. Bouy +2
Octans is one of the most distant (pc) young stellar associations of the solar neighbourhood. Its age is still poorly constrained in the literature and requires further i…
The star formation history of Upper Scorpius and Ophiuchus
N. Miret-Roig, P. A. B. Galli, J. Olivares +3
We aim to study spatial and kinematic substructures of the region encompassed by Upper Scorpius and Ophiuchus star-forming regions, determining dynamical traceback ages and studyin…
Gaia Data Release 3: Astrophysical parameters inference system (Apsis) I -- methods and content overview
O. L. Creevey, R. Sordo, F. Pailler +86
Gaia Data Release 3 contains a wealth of new data products for the community. Astrophysical parameters are a major component of this release. They were produced by the Astrophysica…
The Gaia-ESO Public Spectroscopic Survey: Implementation, data products, open cluster survey, science, and legacy
S. Randich, G. Gilmore, L. Magrini +161
In the last 15 years different ground-based spectroscopic surveys have been started (and completed) with the general aim of delivering stellar parameters and elemental abundances f…
Chamaeleon DANCe. Revisiting the stellar populations of Chamaeleon I and Chamaeleon II with Gaia-DR2 data
P. A. B. Galli, H. Bouy, J. Olivares +6
Context: Chamaeleon is the southernmost low-mass star-forming complex within 200 pc from the Sun. Its stellar population has been extensively studied in the past, but the current c…
Dynamical traceback age of the Pictoris moving group
N. Miret-Roig, P. A. B. Galli, W. Brandner +7
Context: The Pictoris moving group is one of the most well-known young associations in the solar neighbourhood and several members are known to host circumstellar discs, planet…
Gaia Data Release 2. Summary of the contents and survey properties
Gaia Collaboration, A. G. A. Brown, A. Vallenari +4
We present the second Gaia data release, Gaia DR2, consisting of astrometry, photometry, radial velocities, and information on astrophysical parameters and variability, for sources…
A search for pre- and proto-brown dwarfs in the dark cloud Barnard 30 with ALMA
N. Huélamo, I. de Gregorio-Monsalvo, A. Palau +8
In this work we present ALMA continuum observations at 880 m of 30 sub-mm cores previously identified with APEX/LABOCA at 870m in the Barnard 30 cloud. The main goal is to ch…
The Seven Sisters DANCe III: Projected spatial distribution
J. Olivares, E. Moraux, L. M. Sarro +6
Methods. We compute Bayesian evidences and Bayes Factors for a set of variations of the classical radial models by King (1962), Elson et al. (1987) and Lauer et al. (1995). The var…
First detection of thermal radio jets in a sample of proto-brown dwarf candidates
O. Morata, A. Palau, R. F. González +10
We observed with the JVLA at 3.6 and 1.3 cm a sample of 11 proto-brown dwarf candidates in Taurus in a search for thermal radio jets driven by the most embedded brown dwarfs. We de…
CALIFA, the Calar Alto Legacy Integral Field Area survey. III. Second public data release
R. García-Benito, S. Zibetti, S. F. Sánchez +68
This paper describes the Second Public Data Release (DR2) of the Calar Alto Legacy Integral Field Area (CALIFA) survey. The data for 200 objects are made public, including the 100…
Herschel/PACS Survey of protoplanetary disks in Taurus/Auriga -- Observations of [OI] and [CII], and far infrared continuum
Christian D. Howard, Göran Sandell, William D. Vacca +17
The Herschel Space Observatory was used to observe ~ 120 pre-main-sequence stars in Taurus as part of the GASPS Open Time Key project. PACS was used to measure the continuum as wel…
A search for pre-substellar cores and proto-brown dwarf candidates in Taurus: multiwavelength analysis in the B213-L1495 clouds
Aina Palau, I. de Gregorio-Monsalvo, Ò. Morata +9
In an attempt to study whether the formation of brown dwarfs (BDs) takes place as a scaled-down version of low-mass stars, we conducted IRAM30m/MAMBO-II observations at 1.2 mm in a…
XMM-Newton investigations of the Lambda Orionis star-forming region (XILO). I. The young cluster Collinder 69
D. Barrado, B. Stelzer, M. Morales-Calderón +6
This is the first paper of a series devoted to the Lambda Orionis star-forming region, from the X-ray perspective, which will provide a comprehensive view of this complex region. I…