The Hipparcos–Gaia catalog of accelerations: Gaia EDR3 edition
TD Brandt - The Astrophysical Journal Supplement Series, 2021 - iopscience.iop.org
We present a cross-calibration of Hipparcos and Gaia EDR3 intended to identify
astrometrically accelerating stars and to fit orbits to stars with faint, massive companions …
astrometrically accelerating stars and to fit orbits to stars with faint, massive companions …
A temperate super-Jupiter imaged with JWST in the mid-infrared
Of the approximately 25 directly imaged planets to date, all are younger than 500 Myr, and
all but six are younger than 100 Myr (ref.). Eps Ind A (HD209100, HIP108870) is a K5V star …
all but six are younger than 100 Myr (ref.). Eps Ind A (HD209100, HIP108870) is a K5V star …
The CARMENES search for exoplanets around M dwarfs-Planet occurrence rates from a subsample of 71 stars
Context. The CARMENES exoplanet survey of M dwarfs has obtained more than 18 000
spectra of 329 nearby M dwarfs over the past five years as part of its guaranteed time …
spectra of 329 nearby M dwarfs over the past five years as part of its guaranteed time …
The CARMENES search for exoplanets around M dwarfs-Guaranteed time observations Data Release 1 (2016-2020)
I Ribas, A Reiners, M Zechmeister… - Astronomy & …, 2023 - aanda.org
Context. The CARMENES instrument, installed at the 3.5 m telescope of the Calar Alto
Observatory in Almería, Spain, was conceived to deliver high-accuracy radial velocity (RV) …
Observatory in Almería, Spain, was conceived to deliver high-accuracy radial velocity (RV) …
3D selection of 167 substellar companions to nearby stars
We analyze 5108 AFGKM stars with at least five high-precision radial velocity points, as well
as Gaia and Hipparcos astrometric data, utilizing a novel pipeline developed in previous …
as Gaia and Hipparcos astrometric data, utilizing a novel pipeline developed in previous …
RV-detected planets around M dwarfs: Challenges for core accretion models
Context. Planet formation is sensitive to the conditions in protoplanetary disks, for which
scaling laws as a function of stellar mass are known. Aims. We aim to test whether the …
scaling laws as a function of stellar mass are known. Aims. We aim to test whether the …
Results from The COPAINS Pilot Survey: four new BDs and a high companion detection rate for accelerating stars
The last decade of direct imaging (DI) searches for sub-stellar companions has uncovered a
widely diverse sample that challenges the current formation models, while highlighting the …
widely diverse sample that challenges the current formation models, while highlighting the …
A nearby transiting rocky exoplanet that is suitable for atmospheric investigation
Spectroscopy of transiting exoplanets can be used to investigate their atmospheric
properties and habitability. Combining radial velocity (RV) and transit data provides …
properties and habitability. Combining radial velocity (RV) and transit data provides …
YARARA: Significant improvement in RV precision through post-processing of spectral time series
M Cretignier, X Dumusque, NC Hara… - Astronomy & Astrophysics, 2021 - aanda.org
Aims. Even the most precise radial-velocity instruments gather high-resolution spectra that
present systematic errors that a data reduction pipeline cannot identify and correct for …
present systematic errors that a data reduction pipeline cannot identify and correct for …
An Earth-sized Planet on the Verge of Tidal Disruption
Abstract TOI-6255 b (GJ 4256) is an Earth-sized planet (1.079±0.065 R⊕) with an orbital
period of only 5.7 hr. With the newly commissioned Keck Planet Finder and CARMENES …
period of only 5.7 hr. With the newly commissioned Keck Planet Finder and CARMENES …