English
Related papers

Related papers: First detection of polarized scattered light from …

200 papers

We present a semi-analytic model atmosphere for close-in exoplanets that captures the essential physics of phase curves: orbital and viewing geometry, advection, and re-radiation. We calibrate the model with the well-characterized…

Earth and Planetary Astrophysics · Physics 2015-05-20 Nicolas B. Cowan , Eric Agol

There are different methods for finding exoplanets such as radial spectral shifts, astrometrical measurements, transits, timing etc. Gravitational microlensing (including pixel-lensing) is among the most promising techniques with the…

Solar and Stellar Astrophysics · Physics 2015-06-18 A. F. Zakharov , G. Ingrosso , F. De Paolis , A. A. Nucita , F. Strafella , S. Calchi Novati , Ph. Jetzer

We present the first measurement of pulse scattering close to the eclipse region of PSR B1957+20, which is in a compact binary system with a low-mass star. We measured pulse scattering time-scales up to 0.2 ms close to the eclipse and…

High Energy Astrophysical Phenomena · Physics 2022-04-20 J. T. Bai , S. Dai , Q. J. Zhi , W. A. Coles , D. Li , W. W. Zhu , G. Hobbs , G. J. Qiao , N. Wang , J. P. Yuan , M. D. Filipovic , J. B. Wang , Z. C. Pan , L. H. Shang , S. J. Dang , S. Q. Wang , C. C. Miao

We present high-precision photometry and polarimetry for the protoplanetary disk around HD142527, with a focus on determining the light scattering parameters of the dust. We re-reduced polarimetric differential imaging data of HD142527 in…

Future telescopes will characterize rocky exoplanets in reflected light, revealing their albedo, which depends on surface, cloud, and atmospheric properties. Identifying these features is crucial for assessing habitability. We present…

Earth and Planetary Astrophysics · Physics 2025-04-09 Giulia Roccetti , Claudia Emde , Michael F. Sterzik , Mihail Manev , Julia V. Seidel , Stefano Bagnulo

We present a comprehensive analysis of planetary phase variations, including possible planetary light offsets, using eighteen quarters of data from the Kepler space telescope. After correcting for systematics, we found fourteen systems with…

Earth and Planetary Astrophysics · Physics 2015-05-27 Lisa J. Esteves , Ernst J. W. De Mooij , Ray Jayawardhana

Occultations are windows of opportunity to indirectly peek into the dayside atmosphere of exoplanets. High-precision transit events provide information on the spin-orbit alignment of exoplanets around fast-rotating hosts. We aim to…

We performed a joint analysis of phase-curve observations of the ultra-hot Jupiter WASP-18 b from the visible to the mid-infrared, using data from CHEOPS, TESS and Spitzer. We aim to characterise the planetary atmosphere with a consistent…

Of the over 200 known extrasolar planets, 14 exhibit transits in front of their parent stars as seen from Earth. Spectroscopic observations of the transiting planets can probe the physical conditions of their atmospheres. One such technique…

Astrophysics · Physics 2009-10-16 L. Jeremy Richardson , Drake Deming , Karen Horning , Sara Seager , Joseph Harrington

We present very sensitive polarimetry of 55 Cnc and tau Boo in an attempt to detect the partially polarised reflected light from the planets orbiting these two stars. 55 Cnc is orbited by a hot Neptune planet (55 Cnc e) at 0.038 AU, a hot…

Astrophysics · Physics 2009-11-13 P. W. Lucas , J. H. Hough , J. A. Bailey , M. Tamura , E. Hirst , D. Harrison

We aim to detect low-frequency radio emission from exoplanetary systems, which can provide insights into planetary magnetic fields, star-planet interactions, stellar activity, and exo-space weather. The HD 189733 system, hosting a…

The scattering properties of the dust originating from debris discs are still poorly known. The analysis of scattered light is however a powerful remote-sensing tool to understand the physical properties of dust particles orbiting other…

We present a new technique for detecting scattered starlight from transiting, close-orbiting extrasolar giant planets (CEGPs) that has the virtues of simplicity, robustness, linearity, and model-independence. Given a series of stellar…

In this paper, we investigate the detectability of radio emission from exoplanets, especially hot Jupiters, which are magnified by gravitational microlensing. Because hot Jupiters have orbital periods much shorter than the characteristic…

Earth and Planetary Astrophysics · Physics 2023-12-27 Yuta Shiohira , Yuka Terada , Den Mukuno , Yuka Fujii , Keitaro Takahashi

Recent observations have revealed two new classes of planetary orbits. Rossiter- Mclaughlin (RM) measurements have revealed hot Jupiters in high-obliquity orbits. In addition, direct-imaging has discovered giant planets at large (~ 100 AU)…

Earth and Planetary Astrophysics · Physics 2015-05-20 Sourav Chatterjee , Eric B. Ford , Frederic A. Rasio

The Habitable Worlds Observatory (HWO), planned for launch in the 2040s, represents the next major step in exoplanet characterisation. HWO will, for the first time, enable detailed studies of the atmospheres and surfaces of Earth-like…

Instrumentation and Methods for Astrophysics · Physics 2026-01-30 Katy L. Chubb , Mei Ting Mak , Joanna K. Barstow , Beth Biller , Sarah Rugheimer , Daphne M. Stam , Victor Trees

We report the detection in Ks-band of the secondary eclipse of the hot Jupiter CoRoT-1b, from time series photometry with the ARC 3.5-m telescope at Apache Point Observatory. The eclipse shows a depth of 0.336+/-0.042 percent and is…

Earth and Planetary Astrophysics · Physics 2011-02-11 Justin C. Rogers , Daniel Apai , Mercedes Lopez-Morales , David K. Sing , Adam Burrows

We predict how a remote observer would see the brightness variations of giant planets similar to Jupiter and Saturn as they orbit their central stars. We model the geometry of Jupiter, Saturn and Saturn's rings for varying orbital and…

Direct imaging of exoplanets requires both high contrast and high spatial resolution. Here, we present the first scientific results obtained with the newly commissioned Apodizing Phase Plate coronagraph (APP) on VLT/NACO. We detected the…

‹ Prev 1 3 4 5 6 7 10 Next ›