Abundance estimates for 16 elements in 6 million stars from LAMOST DR5 low-resolution spectra

M Xiang, YS Ting, HW Rix, N Sandford… - The Astrophysical …, 2019 - iopscience.iop.org
We present the determination of stellar parameters and individual elemental abundances for
6 million stars from∼ 8 million low-resolution (R∼ 1800) spectra from LAMOST DR5. This is …

An extreme-precision radial-velocity pipeline: first radial velocities from EXPRES

RR Petersburg, JMJ Ong, LL Zhao… - The Astronomical …, 2020 - iopscience.iop.org
Abstract The EXtreme-PREcision Spectrograph (EXPRES) is an environmentally stabilized,
fiber-fed, R= 137,500, optical spectrograph. It was recently commissioned at the 4.3 m …

The wide-field infrared transient explorer (WINTER)

NP Lourie, JW Baker, RS Burruss… - Ground-based and …, 2020 - spiedigitallibrary.org
The Wide-Field Infrared Transient Explorer (WINTER) is a new infrared time-domain survey
instrument which will be deployed on a dedicated 1 meter robotic telescope at the Palomar …

Discovery of a large population of Nitrogen-Enhanced stars in the Magellanic Clouds

JG Fernández-Trincado, TC Beers… - The Astrophysical …, 2020 - iopscience.iop.org
We report the APOGEE-2S+ discovery of a unique collection of nitrogen-enhanced mildly
metal-poor giant stars, peaking at [Fe/H]∼− 0.89 with no carbon enrichment, toward the …

The epoch of giant planet migration planet search program. I. Near-infrared radial velocity jitter of young sun-like stars

QH Tran, BP Bowler, WD Cochran, M Endl… - The Astronomical …, 2021 - iopscience.iop.org
We present early results from the Epoch of Giant Planet Migration program, a precise radial
velocity (RV) survey of more than 100 intermediate-age (∼ 20–200 Myr) G and K dwarfs …

Galactic bulge millisecond pulsars shining in x rays: A -ray perspective

J Berteaud, F Calore, M Clavel, PD Serpico, G Dubus… - Physical Review D, 2021 - APS
If the mysterious Fermi-LAT GeV γ-ray excess is due to an unresolved population of
millisecond pulsars (MSP) in the Galactic bulge, one expects this very same population to …

KELT-24b: A 5MJ Planet on a 5.6 day Well-Aligned Orbit around the Young V= 8.3 F-star HD 93148

JE Rodriguez, JD Eastman, G Zhou… - The Astronomical …, 2019 - iopscience.iop.org
KELT-24b: A 5MJ Planet on a 5.6 day Well-aligned Orbit around the Young V = 8.3 F-star HD
93148 - IOPscience This site uses cookies. By continuing to use this site you agree to our use …

A sub-Neptune transiting the young field star HD 18599 at 40 pc

JP de Leon, JH Livingston, JS Jenkins… - Monthly Notices of …, 2023 - academic.oup.com
Transiting exoplanets orbiting young nearby stars are ideal laboratories for testing theories
of planet formation and evolution. However, to date only a handful of stars with age< 1 Gyr …

The Renovated Thacher Observatory and First Science Results

JJ Swift, K Andersen, T Arculli… - Publications of the …, 2022 - iopscience.iop.org
Located on the campus of the Thacher School in Southern California, the Thacher
Observatory has a legacy of astronomy research and education that dates back to the late …

Origins of Super Jupiters: TOI-2145b has a Moderately Eccentric and Nearly Aligned Orbit

J Dong, A Chontos, G Zhou, G Stefansson… - The Astronomical …, 2024 - iopscience.iop.org
Super Jupiters are giant planets with several Jupiter masses. It remains an open question
whether these planets originate with such high masses or grow through collisions. Previous …