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相关论文: The Observational Case for Jupiter Being a Typical…

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To understand the frequency, and thus the formation and evolution, of planetary systems like our own solar system, it is critical to detect Jupiter-like planets in Jupiter-like orbits. For long-term radial-velocity monitoring, it is useful…

地球与行星天体物理 · 物理学 2015-06-15 Robert A. Wittenmyer , J. Horner , R. P. Butler , H. R. A. Jones , S. J. O'Toole , J. Bailey , B. D. Carter , G. S. Salter , D. Wright

In contrast to radial velocity surveys, results from microlensing surveys indicate that giant planets with masses greater than the critical mass for core accretion ($\sim 0.1~M_{\rm Jup}$) are relatively common around low-mass stars. Using…

地球与行星天体物理 · 物理学 2015-06-19 Christian Clanton , Scott Gaudi

Models of planet formation and evolution predict that giant planets form efficiently in protoplanetary disks, that most of these migrate rapidly to the disk's inner edge, and that, if the arriving planet's mass is $\lesssim$ Jupiter's mass,…

地球与行星天体物理 · 物理学 2015-08-19 Titos Matsakos , Arieh Königl

Under the current microlensing planet search strategy of monitoring events caused by stellar-mass lenses, only planets located within a narrow region of separations from central stars can be effectively detected. However, with the dramatic…

天体物理学 · 物理学 2009-11-07 Cheongho Han , Young Woon Kang

Prior to the 1990s, speculations about the occurrence of planets around other stars were based only on planet formation theory, observations of circumstellar disks, and the knowledge that at least one seemingly ordinary star had managed to…

地球与行星天体物理 · 物理学 2018-09-26 Joshua N. Winn

Exoplanets, short for `extra solar planets', are planets outside our solar system. They are objects with masses less than around 15 Jupiter-masses that orbit stars other than the Sun. They are small enough so they can not burn deuterium in…

天体物理仪器与方法 · 物理学 2016-11-04 Muhammad Salman Khan , James Stewart Jenkins , Nestor Becerra Yoma

The known population of exoplanets exhibits a much wider range of orbital eccentricities than Solar System planets and has a much higher average eccentricity. These facts have been widely interpreted to indicate that the Solar System is an…

地球与行星天体物理 · 物理学 2015-06-19 Mary Anne Limbach , Edwin L. Turner

H$_3^+$ emission is the dominant cooling mechanism in Jupiter's thermosphere and a useful probe of temperature and ion densities. The H$_3^+$ ion is predicted to form in the thermospheres of close-in `hot Jupiters' where its emission would…

天体物理学 · 物理学 2008-11-26 Evgenya Shkolnik , Eric Gaidos , Nick Moskovitz

We analyze data from the Quarter 1-17 Data Release 24 (Q1--Q17 DR24) planet candidate catalog from NASA's Kepler mission, specifically comparing systems with single transiting planets to systems with multiple transiting planets, and…

地球与行星天体物理 · 物理学 2016-11-09 Jason H. Steffen , Jeffrey L. Coughlin

In this paper, the CoRoT Exoplanet Science Team announces its 14th discovery. Herein, we discuss the observations and analyses that allowed us to derive the parameters of this system: a hot Jupiter with a mass of $7.6 \pm 0.6$ Jupiter…

We revisit the possibility of detecting an extrasolar planet around a background star as it crosses the fold caustic of a foreground binary lens. During such an event, the planet's flux can be magnified by a factor of ~100 or more. The…

天体物理学 · 物理学 2009-11-10 David S. Spiegel , Michel Zamojski , Alan Gersch , Jennifer Donovan , Zoltan Haiman

With about 700 confirmed extrasolar planets, it is time to move beyond discovery and towards characterization. Perhaps the most basic parameter of an extrasolar planet is its mass; however, this is very difficult to determine if the planet…

地球与行星天体物理 · 物理学 2015-06-16 Kevin Gullikson , Michael Endl

I review results from, and future prospects for, microlensing searches for extrasolar planets. Analyses of well-sampled microlensing light curves by several collaborations have demonstrated that current searches are sensitive to…

天体物理学 · 物理学 2007-05-23 B. Scott Gaudi

(Abridged) The solar system gas giant planets are oblate due to their rapid rotation. A measurement of the planet's projected oblateness would constrain the planet's rotational period. Planets that are synchronously rotating with their…

天体物理学 · 物理学 2009-11-07 S. Seager , Lam Hui

Of the over 800 exoplanets detected to date, over half are on non-circular orbits, with eccentricities as high as 0.93. Such orbits lead to time-variable stellar heating, which has implications for the planet's atmospheric dynamical regime.…

地球与行星天体物理 · 物理学 2015-06-11 Tiffany Kataria , Adam P. Showman , Nikole K. Lewis , Jonathan J. Fortney , Mark S. Marley , Richard S. Freedman

Short-orbit gas giant planet formation/evolution mechanisms are still not well understood. One promising pathway to discriminate between mechanisms is to constrain the occurrence rate of these peculiar exoplanets at the earliest stage of…

地球与行星天体物理 · 物理学 2021-05-31 A. Heitzmann , S. C. Marsden , P. Petit , M. W. Mengel , D. Wright , M. Clerte , I. Millburn , C. P. Folsom , B. C. Addison , R. A. Wittenmyer , I. A. Waite

The goal of this work is to investigate Jupiter's growth focusing on the amount of heavy elements accreted by the planet, and its comparison with recent structure models. Our model assumes an initial core growth dominated by pebble…

地球与行星天体物理 · 物理学 2020-02-05 Julia Venturini , Ravit Helled

We analytically and numerically investigate the long-term, i.e. averaged over one full revolution, orbital effects of the non-isotropic percent mass loss \dot m/m experienced by several transiting hot Jupiters whose atmospheres are hit by…

广义相对论与量子宇宙学 · 物理学 2015-03-19 Lorenzo Iorio

Recent analysis of the Doppler shift oscillations of the light from extra-solar planetary systems indicate that some of these systems have more than one large planet. In this case it has been shown that the masses of these planets can be…

天体物理学 · 物理学 2009-11-07 Michael Nauenberg

Warm giant planets with orbital periods of tens of days exhibit a positive correlation between mass and eccentricity. We interpret this trend as the outcome of planet-planet scattering, representing a transition from collision-dominated…

地球与行星天体物理 · 物理学 2026-03-25 Jiayin Dong , Eve J. Lee , Eiichiro Kokubo , Ruth Murray-Clay , Arvind Gupta