Results 1 to 10 of about 363,020 (114)

The LeMMINGs survey: probing sub-kpc radio structures of nearby galaxies with e-MERLIN [PDF]

open access: yesProceedings of 15th European VLBI Network Mini-Symposium and Users' Meeting — PoS(EVN2022), 2023
The Legacy e-MERLIN Multi-band Imaging of Nearby Galaxies survey (LeMMINGs) is a statistically-complete census of nuclear accretion and star formation processes in the local Universe.
David R. A. Williams   +30 more
semanticscholar   +1 more source

The unseen host galaxy and high dispersion measure of a precisely-localised Fast Radio Burst suggests a high-redshift origin [PDF]

open access: yesMonthly notices of the Royal Astronomical Society, 2023
FRB 20210912A is a fast radio burst (FRB), detected and localised to sub-arcsecond precision by the Australian Square Kilometre Array Pathfinder. No host galaxy has been identified for this burst despite the high precision of its localisation and deep ...
L. Marnoch   +32 more
semanticscholar   +1 more source

The SAMI Galaxy Survey: the role of disc fading and progenitor bias in kinematic transitions [PDF]

open access: yesMonthly notices of the Royal Astronomical Society, 2021
We use comparisons between the Sydney-AAO Multi-object Integral Field Spectrograph (SAMI) Galaxy Survey and equilibrium galaxy models to infer the importance of disc fading in the transition of spirals into lenticular (S0) galaxies.
S. Croom   +33 more
semanticscholar   +1 more source

Radio observations of the Black Hole X-ray Binary EXO 1846−031 re-awakening from a 34-year slumber [PDF]

open access: yesMonthly notices of the Royal Astronomical Society, 2022
We present radio [1.3 GHz MeerKAT, 4−8 GHz Karl G. Jansky Very Large Array (VLA) and 15.5 GHz Arcminute Microkelvin Imager Large Array (AMI-LA)] and X-ray (Swift and MAXI) data from the 2019 outburst of the candidate Black Hole X-ray Binary (BHXB) EXO ...
D. R. Williams   +46 more
semanticscholar   +1 more source

3D Morphology of Open Clusters in the Solar Neighborhood with Gaia EDR 3. II. Hierarchical Star Formation Revealed by Spatial and Kinematic Substructures [PDF]

open access: yesAstrophysical Journal, 2022
We identify members of 65 open clusters in the solar neighborhood using the machine-learning algorithm StarGO based on Gaia EDR3 data. After adding members of 20 clusters from previous studies we obtain 85 clusters, and study their morphology and ...
X. Pang   +26 more
semanticscholar   +1 more source

Long-term Evolution in Ionization of Ejecta Illuminated by Eta Carinae [PDF]

open access: yesAstrophysical Journal, 2023
Changes in the flux and spectrum of Eta Carinae (η Car) since 1900 have been attributed to the evolution of the central binary by some. Others suggest evolution in the occulting ejecta.
A. Damineli   +47 more
semanticscholar   +1 more source

Low-frequency Faraday rotation measures towards pulsars using LOFAR: probing the 3D Galactic halo magnetic field [PDF]

open access: yesMonthly notices of the Royal Astronomical Society, 2019
We determined Faraday rotation measures (RMs) towards 137 pulsars in the northern sky, using Low-Frequency Array (LOFAR) observations at 110–190 MHz. This low-frequency RM catalogue, the largest to date, improves the precision of existing RM measurements
C. Sobey   +46 more
semanticscholar   +1 more source

The Long-term Spectral Changes of Eta Carinae: Are they Caused by a Dissipating Occulter as Indicated by cmfgen Models? [PDF]

open access: yesAstrophysical Journal, 2022
Eta Carinae (η Car) exhibits a unique set of P Cygni profiles with both broad and narrow components. Over many decades, the spectrum has changed—there has been an increase in observed continuum fluxes and a decrease in Fe ii and H i emission-line ...
A. Damineli   +101 more
semanticscholar   +1 more source

HATS-60b–HATS-69b: 10 Transiting Planets from HATSouth [PDF]

open access: yesAstronomical Journal, 2018
We report the discovery of 10 transiting extrasolar planets by the HATSouth survey. The planets range in mass from the super-Neptune HATS-62b, with , to the super-Jupiter HATS-66b, with , and in size from the Saturn HATS-69b, with , to the inflated ...
J. Hartman   +49 more
semanticscholar   +1 more source

Cluster-formation in the Rosette molecular cloud at the junctions of filaments [PDF]

open access: yes, 2012
For many years feedback processes generated by OB-stars in molecular clouds, including expanding ionization fronts, stellar winds, or UV-radiation, have been proposed to trigger subsequent star formation.
N. Schneider   +81 more
semanticscholar   +1 more source

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