English
Related papers

Related papers: Calibrating the clock of JWST

200 papers

We report on the high precision timing analysis of the pulsar-white dwarf binary PSR J1012+5307. Using 15 years of multi-telescope data from the European Pulsar Timing Array (EPTA) network, a significant measurement of the variation of the…

We have developed a new laser-based time calibration system for the MEG II timing counter dedicated to timing measurement of positrons. The detector requires precise timing alignment between $\sim\,$500 scintillation counters. In this…

Instrumentation and Detectors · Physics 2019-05-16 M. Nakao , G. Boca , P. W. Cattaneo , M. De Gerone , F. Gatti , M. Nishimura , W. Ootani , M. Rossella , Y. Uchiyama , M. Usami , K. Yoshida

Astrometry is one of the main pillars of astronomy, and one of its oldest branches. Over the years, an increasing number of astrometric works by means of Hubble Space Telescope (HST) data have revolutionized our understanding of various…

Instrumentation and Methods for Astrophysics · Physics 2024-01-30 M. Libralato , I. Argyriou , D. Dicken , M. García Marín , P. Guillard , D. C. Hines , P. J. Kavanagh , S. Kendrew , D. R. Law , A. Noriega-Crespo , J. Álvarez-Márquez

The James Webb Space Telescope will enable astronomers to obtain exoplanet spectra of unprecedented precision. Especially the MIRI instrument may shed light on the nature of the cloud particles obscuring planetary transmission spectra in…

Earth and Planetary Astrophysics · Physics 2017-03-22 Paul Mollière , Roy van Boekel , Jeroen Bouwman , Thomas Henning , Pierre-Olivier Lagage , Michiel Min

The binary pulsar J2222-0137 is an enigmatic system containing a partially recycled millisecond pulsar and a companion of unknown nature. Whilst the low eccentricity of the system favors a white dwarf companion, an unusual double neutron…

Solar and Stellar Astrophysics · Physics 2015-06-16 A. T. Deller , J. Boyles , D. R. Lorimer , V. M. Kaspi , M. A. McLaughlin , S. Ransom , I. H. Stairs , K. Stovall

The James Webb Space Telescope (JWST) is capable of probing extremely early eras of our Universe when the supersonic relative motions between dark matter and baryonic overdensities modulate structure formation ($z>\sim 10$). We study…

The Wide Field Survey Telescope (WFST) is a dedicated photometric surveying facility being built jointly by the University of Science and Technology of China and the Purple Mountain Observatory. It is equipped with a 2.5-meter diameter…

The Ultraviolet/Optical Telescope (UVOT) is one of three instruments onboard the Swift observatory. The photometric calibration has been published, and this paper follows up with details on other aspects of the calibration including a…

The James Webb Space Telescope (JWST) will perform exoplanet transit spectroscopy in the coming decade promising transformative science results. All four instruments on board can be used for this technique which reconstructs the atmospheric…

Earth and Planetary Astrophysics · Physics 2020-01-08 Subhajit Sarkar , Nikku Madhusudhan , Andreas Papageorgiou

In this document, we summarize the main capabilities of the James Webb Space Telescope (JWST) for performing observations of Mars. The distinctive vantage point of JWST at the Sun-Earth Lagrange point (L2) will allow sampling the full…

General relativity predicts that short orbital period binaries emit significant gravitational radiation, and the upcoming Laser Interferometer Space Antenna (LISA) is expected to detect tens of thousands of such systems; however, few have…

The long-anticipated James Webb Space Telescope (JWST) will be able to directly detect large samples of galaxies at very high redshift. Using the well-established, computationally efficient Santa Cruz semi-analytic model, with recently…

Aims: Our goal was to increase number of known doubly eclipsing systems such that the resulting dataset would allow to study them via statistical means, as well as prove that they constitute gravitationally bound 2+2 quadruple system.…

Solar and Stellar Astrophysics · Physics 2019-10-17 P. Zasche , D. Vokrouhlicky , M. Wolf , H. Kucakova , J. Kara , R. Uhlar , M. Masek , Z. Henzl , P. Cagas

We examine the assembly process and the observability of a first galaxy (M_vir~10^9 solar mass at z~8) with cosmological zoom-in, hydrodynamic simulations, including the radiative, mechanical, and chemical feedback exerted by the first…

Astrophysics of Galaxies · Physics 2019-04-10 Myoungwon Jeon , Volker Bromm

The James Webb Space Telescope Time-Domain Field (JWST-TDF) is an $\sim$14$'$ diameter field near the North Ecliptic Pole that will be targeted by one of the JWST Guaranteed Time Observations programs. Here, we describe our James Clerk…

We present precise parameters for two compact double white dwarf binaries, SDSS J232230.20+050942.0 (J2322+0509) and SDSS J063449.92+380352.2 (J0634+3803), with orbital periods of 20 and 26.5 minutes, respectively. These systems will serve…

In the second paper of this series we perfected our method of linking high precision Hubble Space Telescope astrometry to the high-accuracy Gaia DR2 absolute reference system to overcome the limitations of relative astrometry with…

Solar and Stellar Astrophysics · Physics 2020-03-11 L. R. Bedin , C. Fontanive

JWST galaxy deep spectral surveys provide a unique opportunity to trace a broad range of evolutionary features of galaxies and the intergalactic medium given the huge distance the photons are propagating. We have analyzed the spectral data…

Astrophysics of Galaxies · Physics 2025-05-09 N. Galikyan , A. A. Kocharyan , V. G. Gurzadyan

The James Webb Space Telescope (JWST), currently scheduled to launch in 2021, will dramatically advance our understanding of exoplanetary systems with its ability to directly image and characterise planetary-mass companions at wide…

This study presents a systematic approach to optimize the scheduling of exoplanet observations using the James Webb Space Telescope (JWST), focusing on targets discovered by the Transiting Exoplanet Survey Satellite (TESS). We developed a…

Earth and Planetary Astrophysics · Physics 2024-08-14 Zoutong Shen
‹ Prev 1 3 4 5 6 7 10 Next ›