Results 21 to 30 of about 62,348 (240)
The Astronomical Journal, 2023 A microlensing event is mainly used to search for free-floating planets (FFPs). To estimate the FFP mass and distance via the microlensing effect, a microlensing parallax is one of the key parameters.
M. Ban
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The Astronomical Journal, 2023 We present a validation of a long-period ( ${91.68278}_{-0.00041}^{+0.00032}$ days) transiting sub-Neptune planet, TOI-1221 b (TIC 349095149.01), around a Sun-like ( m _V = 10.5) star.
Christopher Mann +27 more
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Kepler-80 Revisited: Assessing the Participation of a Newly Discovered Planet in the Resonant Chain
The Astronomical Journal, 2023 In this paper, we consider the chain of resonances in the Kepler-80 system and evaluate the impact that the additional member of the resonant chain discovered by Shallue & Vanderburg has on the dynamics of the system and the physical parameters that can ...
D. Weisserman +2 more
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Exploring Climate with Obliquity in a Variable-eccentricity Earth-like World
The Astronomical Journal, 2023 Exploring planetary systems similar to our solar system can provide a means to explore a large range of possibly temperate climates on Earth-like worlds.
M. J. Way +2 more
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Identifying Exoplanets with Machine Learning Methods: A Preliminary Study [PDF]
International Journal on Cybernetics & Informatics (IJCI) 11
(1/2), pp. 31-42, 2022, 2022 The discovery of habitable exoplanets has long been a heated topic in astronomy. Traditional methods for exoplanet identification include the wobble method, direct imaging, gravitational microlensing, etc., which not only require a considerable investment of manpower, time, and money, but also are limited by the performance of astronomical telescopes ...
arxiv +1 more source
The Astrophysical Journal Letters, 2023 We present the first exoplanet phase-curve measurement made with the JWST NIRSpec instrument, highlighting the exceptional stability of this newly commissioned observatory for exoplanet climate studies.
Thomas Mikal-Evans +12 more
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Classify and Explore the Diversity of Planetary Population and Interior Properties
The Astrophysical Journal, 2023 Classification is an essential method and has been developed widely in astronomy. However, planets still lack a universal classification framework, because the solar system planet sample is too small for statistical analysis.
Xiaoming Jiang +3 more
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Optical Properties of Organic Haze Analogues in Water-rich Exoplanet Atmospheres Observable with JWST [PDF]
Nature Astronomy (2023), 2023 JWST has begun its scientific mission, which includes the atmospheric characterization of transiting exoplanets. Some of the first exoplanets to be observed by JWST have equilibrium temperatures below 1000 K, which is a regime where photochemical hazes are expected to form.
arxiv +1 more source
The Astronomical Journal, 2023 We study the emergent spectral fluxes of transiting hot Jupiters, using secondary eclipses from Spitzer. To achieve a large and uniform sample, we have reanalyzed all secondary eclipses for all hot Jupiters observed by Spitzer at 3.6 and/or 4.5 μ m.
Drake Deming +7 more
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Aerosols in Exoplanet Atmospheres [PDF]
, 2021 Observations of exoplanet atmospheres have shown that aerosols, like in the Solar System, are common across a variety of temperatures and planet types. The formation and distribution of these aerosols are inextricably intertwined with the composition and thermal structure of the atmosphere.
arxiv +1 more source