Measurements of the Hubble constant: tensions in perspective
WL Freedman - The Astrophysical Journal, 2021 - iopscience.iop.org
Measurement of the distances to nearby galaxies has improved rapidly in recent decades.
The ever-present challenge is to reduce systematic effects, especially as greater distances …
The ever-present challenge is to reduce systematic effects, especially as greater distances …
[HTML][HTML] Gaia data release 2-the astrometric solution
Context. Gaia Data Release 2 (Gaia DR2) contains results for 1693 million sources in the
magnitude range 3 to 21 based on observations collected by the European Space Agency …
magnitude range 3 to 21 based on observations collected by the European Space Agency …
The DECam local volume exploration survey: Overview and first data release
Abstract The DECam Local Volume Exploration survey (DELVE) is a 126-night survey
program on the 4 m Blanco Telescope at the Cerro Tololo Inter-American Observatory in …
program on the 4 m Blanco Telescope at the Cerro Tololo Inter-American Observatory in …
Precise radio astrometry and new developments for the next generation of instruments
MJ Rioja, R Dodson - The Astronomy and Astrophysics Review, 2020 - Springer
We present a technique-led review of the progression of precise radio astrometry, from the
first demonstrations, half a century ago, until to date and into the future. We cover the …
first demonstrations, half a century ago, until to date and into the future. We cover the …
Gaia data release 2-summary of the contents and survey properties
AGA Brown, A Vallenari, T Prusti… - Astronomy & …, 2018 - aanda.org
Context. We present the second Gaia data release, Gaia DR2, consisting of astrometry,
photometry, radial velocities, and information on astrophysical parameters and variability, for …
photometry, radial velocities, and information on astrophysical parameters and variability, for …
Gaia data release 2-catalogue validation
F Arenou, X Luri, C Babusiaux, C Fabricius… - Astronomy & …, 2018 - aanda.org
Context. The second Gaia data release (DR2) contains very precise astrometric and
photometric properties for more than one billion sources, astrophysical parameters for …
photometric properties for more than one billion sources, astrophysical parameters for …
A fast radio burst source at a complex magnetized site in a barred galaxy
Fast radio bursts (FRBs) are highly dispersed, millisecond-duration radio bursts 1, 2, 3.
Recent observations of a Galactic FRB 4, 5, 6, 7, 8 suggest that at least some FRBs originate …
Recent observations of a Galactic FRB 4, 5, 6, 7, 8 suggest that at least some FRBs originate …
The third realization of the International Celestial Reference Frame by very long baseline interferometry
P Charlot, CS Jacobs, D Gordon, S Lambert… - Astronomy & …, 2020 - aanda.org
A new realization of the International Celestial Reference Frame (ICRF) is presented based
on the work achieved by a working group of the International Astronomical Union (IAU) …
on the work achieved by a working group of the International Astronomical Union (IAU) …
Stellar and substellar companions of nearby stars from gaia dr2-binarity from proper motion anomaly
Context. The census of stellar and substellar companions of nearby stars is largely
incomplete, in particular toward the low-mass brown dwarf and long-period exoplanets. It is …
incomplete, in particular toward the low-mass brown dwarf and long-period exoplanets. It is …
Optical superluminal motion measurement in the neutron-star merger GW170817
KP Mooley, J Anderson, W Lu - Nature, 2022 - nature.com
The afterglow of the binary neutron-star merger GW170817 gave evidence for a structured
relativistic jet,,,–and a link,, between such mergers and short gamma-ray bursts …
relativistic jet,,,–and a link,, between such mergers and short gamma-ray bursts …