Results 31 to 40 of about 179,146 (216)

TOI-2525 b and c: A Pair of Massive Warm Giant Planets with Strong Transit Timing Variations Revealed by TESS

open access: yesThe Astronomical Journal, 2023
The K-type star TOI-2525 has an estimated mass of M = ${0.849}_{-0.033}^{+0.024}$ M _⊙ and radius of R = ${0.785}_{-0.007}^{+0.007}$ R _⊙ observed by the TESS mission in 22 sectors (within sectors 1 and 39).
Trifon Trifonov   +46 more
doaj   +1 more source

International Year of Astronomy Invited Review on Exoplanets [PDF]

open access: yesPublications of the Astronomical Society of the Pacific, 2009
5 pages, 4 figures, PASP in press (April 2009)
openaire   +3 more sources

Open skies: the National Radio Astronomy Observatory and its impact on US radio astronomy [PDF]

open access: yes, 2020
This open access book on the history of the National Radio Astronomy Observatory covers the scientific discoveries and technical innovations of late 20th century radio astronomy with particular attention to the people and institutions involved.
Kellermann, Kenneth I.   +5 more
core   +1 more source

Astronomy from the Moon: From Exoplanets to Cosmology in Visible Light and Beyond

open access: yes, 2023
accepted
Schneider, Jean   +2 more
openaire   +2 more sources

First exoplanet transit observation with the Stratospheric Observatory for Infrared Astronomy: Confirmation of Rayleigh scattering in HD 189733 b with HIPO [PDF]

open access: yesJournal of Astronomical Telescopes, Instruments, and Systems, 2015
40 pages, 7 figures, accepted for publication in ...
Angerhausen, Daniel   +15 more
openaire   +3 more sources

Stars over St Andrews : 75 years of observational astronomy at the University Observatory, St Andrews, Scotland [PDF]

open access: yes, 2016
This document (© Ron Hilditch, University Observatory, St Andrews, Scotland) gives an account of the observational astronomy conducted at the University Observatory, St Andrews, from its inauguration in 1940 through to the present day, some 75 years ...
Hilditch, R. W.
core   +2 more sources

Teaching astronomy and astrophysics with Hands-On-Universe and SalsaJ: stars, planets, exoplanets and dark matter [PDF]

open access: yesProceedings of the International Astronomical Union, 2009
AbstractHow can teachers and researchers contribute to a new world-wide way to teach astronomy? The Hands-On-Universe group proposes multi-media tools, from remote telescopes to image processing, inspired by the most recent research activities in astronomy and astrophysics.
Suzanne Faye, Michel Faye
openaire   +1 more source

Hubble Space Telescope Transmission Spectroscopy for the Temperate Sub-Neptune TOI-270 d: A Possible Hydrogen-rich Atmosphere Containing Water Vapor

open access: yesThe Astronomical Journal, 2023
TOI-270 d is a temperate sub-Neptune discovered by the Transiting Exoplanet Survey Satellite (TESS) around a bright ( J = 9.1 mag) M3V host star. With an approximate radius of 2 R _⊕ and equilibrium temperature of 350 K, TOI-270 d is one of the most ...
Thomas Mikal-Evans   +8 more
doaj   +1 more source

High Accuracy Molecular Line Lists for Studies of Exoplanets and Other Hot Atmospheres

open access: yesFrontiers in Astronomy and Space Sciences, 2022
The desire to characterize and model the atmospheres of the many extrasolar planets that have been discovered over the last three decades is a major driver of current astronomy.
Jonathan Tennyson, Sergey N. Yurchenko
doaj   +1 more source

Worlds Beyond: A Strategy for the Detection and Characterization of Exoplanets Executive Summary of a Report of the ExoPlanet Task Force Astronomy and Astrophysics Advisory Committee Washington, DC June 23, 2008 [PDF]

open access: yesAstrobiology, 2008
© 2008 Mary Ann Liebert, Inc. Portions of this work were performed under the auspices of the US Department of Energy by Lawrence Livermore National Laboratory in part under Contract W-7405-Eng-48 and in part under Contract DE-AC52-07NA27344.
Lunine, Jonathan I.   +15 more
openaire   +2 more sources

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