[HTML][HTML] 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 …
[HTML][HTML] 空间系外行星探测与研究进展
周济林， 谢基伟， 葛健， 季江徽， 窦江培， 东苏勃… - 空间科学学报, 2024 - cjss.ac.cn
系外行星学科是近30 年来迅速发展起来的一门新兴学科. 其主要研究内容和目标包括,
通过发展各种探测技术探测太阳系外行星, 分析行星轨道, 成分, 大气性质, 评估行星的宜居性 …
通过发展各种探测技术探测太阳系外行星, 分析行星轨道, 成分, 大气性质, 评估行星的宜居性 …
[HTML][HTML] The Initial Mass Function Based on the Full-sky 20 pc Census of∼ 3600 Stars and Brown Dwarfs
JD Kirkpatrick, F Marocco, CR Gelino… - The Astrophysical …, 2024 - iopscience.iop.org
A complete accounting of nearby objects—from the highest-mass white dwarf progenitors
down to low-mass brown dwarfs—is now possible, thanks to an almost complete set of …
down to low-mass brown dwarfs—is now possible, thanks to an almost complete set of …
Revised orbits of the two nearest Jupiters
With its near-to-mid-infrared high-contrast imaging capabilities, JWST is ushering us into a
golden age of directly imaging Jupiter-like planets. As the two closest cold Jupiters, ε Ind A b …
golden age of directly imaging Jupiter-like planets. As the two closest cold Jupiters, ε Ind A b …
Dark exoplanets
Y Bai, S Lu, N Orlofsky - Physical Review D, 2023 - APS
The prevailing assumption is that all exoplanets are made of ordinary matter. However, we
propose an unconventional possibility that some exoplanets could be made of dark matter …
propose an unconventional possibility that some exoplanets could be made of dark matter …
The Masses of a Sample of Radial-velocity Exoplanets with Astrometric Measurements
GY Xiao, YJ Liu, HY Teng, W Wang… - … in Astronomy and …, 2023 - iopscience.iop.org
Being one of the most fundamental physical parameter of astronomical objects, mass plays
a vital role in the study of exoplanets, including their temperature structure, chemical …
a vital role in the study of exoplanets, including their temperature structure, chemical …
[HTML][HTML] The CORALIE survey for southern extrasolar planets-XIX. Brown dwarfs and stellar companions unveiled by radial velocity and astrometry
Context. A historical search for exoplanets among a sample of 1647 nearby southern main
sequence stars with the CORALIE spectrograph at La Silla Observatory has been underway …
sequence stars with the CORALIE spectrograph at La Silla Observatory has been underway …
ET White Paper: to find the first Earth 2.0
We propose to develop a wide-field and ultra-high-precision photometric survey mission,
temporarily named" Earth 2.0 (ET)". This mission is designed to measure, for the first time …
temporarily named" Earth 2.0 (ET)". This mission is designed to measure, for the first time …
A multi-technique approach to identifying and/or constraining radial-velocity substellar companions
Context. Although more than one thousand substellar companions have already been
detected with the radial velocity (RV) method, many new companions remain to be detected …
detected with the radial velocity (RV) method, many new companions remain to be detected …
Modeling and Calibration of Gaia, Hipparcos, and Tycho-2 astrometric data for the detection of dark companions
Hidden within the Gaia satellite's multiple data releases lies a valuable cache of dark
companions. To facilitate the efficient and reliable detection of these companions via …
companions. To facilitate the efficient and reliable detection of these companions via …