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Related papers: The Sparse Atmospheric MOdel Sampling Analysis (SA…

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In 2007, a companion with planetary mass was found around the pulsating subdwarf B star V391 Pegasi with the timing method, indicating that a previously undiscovered population of substellar companions to apparently single subdwarf B stars…

We investigate the environmental dependence of galaxy properties at $z\sim2.5$ using the Ly$\alpha$ Tomography IMACS Survey (LATIS), which provides high-resolution three-dimensional maps of intergalactic medium (IGM) overdensity via…

The recent detections of temperate terrestrial planets orbiting nearby stars and the promise of characterizing their atmospheres motivates a need to understand how the diversity of possible planetary parameters affects the climate of…

Earth and Planetary Astrophysics · Physics 2019-02-13 Thaddeus D. Komacek , Dorian S. Abbot

We perform a validation study of the latest version of the Alfv\'{e}n Wave Solar atmosphere Model (AWSoM) within the Space Weather Modeling Framework (SWMF). To do so, we compare the simulation results of the model with a comprehensive…

General circulation models are often used to explore exoclimate parameter spaces and classify atmospheric circulation regimes. Models are tuned to give reasonable climate states for standard test cases, such as the Held-Suarez test, and…

Earth and Planetary Astrophysics · Physics 2021-12-10 Pushkar Kopparla , Russell Deitrick , Kevin Heng , João M. Mendonça , Mark Hammond

Context. The PLAnetary Transits and Oscillations of stars (PLATO) mission will observe the same area of the sky continuously for at least two years in an effort to detect transit signals of an Earth-like planet orbiting a solar-like star.…

Earth and Planetary Astrophysics · Physics 2024-10-29 A. F. Krenn , M. Lendl , S. Sulis , M. Deleuil , S. J. Hofmeister , N. Jannsen , L. Fossati , J. De Ridder , D. Seynaeve , R. Jarolim , A. M. Veronig

The Space Interferometry Mission (SIM) will make precise astrometric measurements that can be used to detect planets around nearby stars. We have simulated SIM observations and estimated the ability of SIM to detect planets with given…

Astrophysics · Physics 2009-11-07 Eric B. Ford , Scott Tremaine

Sub-grid scale parameterizations in atmospheric models involve numerous uncertain parameters that must be tuned to align simulations with observations. Here, we propose a framework for assessing objective tuning frameworks using the Single…

Atmospheric and Oceanic Physics · Physics 2026-04-07 Pappu Paul , Cristian Proistosescu

This paper is the third in a series on submillimeter galaxy magnification bias, focusing on the tomographic scenario. It refines the methodology used to constrain the halo occupation distribution model and cosmological parameters within a…

Cosmology and Nongalactic Astrophysics · Physics 2024-06-12 L. Bonavera , M. M. Cueli , J. González-Nuevo , J. M. Casas , D. Crespo

We explore the potential multistability of the climate for a planet around the habitable zone. We focus on conditions reminiscent to those of the Earth system, but our investigation aims at presenting a general methodology for dealing with…

Earth and Planetary Astrophysics · Physics 2015-06-15 Valerio Lucarini , Salvatore Pascale , Robert Boschi , Edilbert Kirk , Nicolas Iro

Motivated by the problem of determining the atomic structure of macromolecules using single-particle cryo-electron microscopy (cryo-EM), we study the sample and computational complexities of the sparse multi-reference alignment (MRA) model:…

Information Theory · Computer Science 2021-09-27 Tamir Bendory , Oscar Mickelin , Amit Singer

Terrestrial planets at the inner edge of the habitable zone of late-K and M-dwarf stars are expected to be in synchronous rotation, as a consequence of strong tidal interactions with their host stars. Previous global climate model (GCM)…

Earth and Planetary Astrophysics · Physics 2016-03-16 Ravi kumar Kopparapu , Eric T. Wolf , Jacob Haqq-Misra , Jun Yang , James F. Kasting , Victoria Meadows , Ryan Terrien , Suvrath Mahadevan

Earth System Models (ESMs) are essential for understanding the interaction between human activities and the Earth's climate. However, the computational demands of ESMs often limit the number of simulations that can be run, hindering the…

Atmospheric and Oceanic Physics · Physics 2024-09-19 Seth Bassetti , Brian Hutchinson , Claudia Tebaldi , Ben Kravitz

The primary scientific objective of this Habitable Worlds Observatory (HWO) Science Case Development Document (SCDD) is to measure planetary rotation rates of transiting exoplanets to determine the structure, composition, circulation, and…

Context: Thanks to the importance that the star-planet relation has to our understanding of the planet formation process, the precise determination of stellar parameters for the ever increasing number of discovered extrasolar planets is of…

Exoplanet detections and characterizations via direct imaging require high contrast and high angular resolution. These requirements typically require (i) cutting-edge instrumental facilities, (ii) optimized differential imaging to introduce…

Instrumentation and Methods for Astrophysics · Physics 2023-11-01 Jules Dallant , Maud Langlois , Olivier Flasseur , Éric Thiébaut

We present a joint weak-lensing/X-ray study of galaxy cluster mass-observable scaling relations, motivated by the critical importance of accurate calibration of mass proxies for future X-ray missions, including eROSITA. We use a sample of…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 Nobuhiro Okabe , Yu-Ying Zhang , Alexis Finoguenov , Masahiro Takada , Graham P. Smith , Keiichi Umetsu , Toshifumi Futamase

The kinematic morphology-density relation of galaxies is normally attributed to a changing distribution of galaxy stellar masses with the local environment. However, earlier studies were largely focused on slow rotators; the dynamical…

In many environmental applications, time series are either incomplete or irregularly spaced. We investigate the application of the Spartan random process to missing data prediction. We employ a novel modified method of moments (MMoM) for…

Applications · Statistics 2013-03-05 M. Žukovič , D. T. Hristopulos

Radiative equilibrium temperatures are calculated for the troposphere of a tidally locked Super-Earth based on a simple greenhouse model, using Solar System data as a guideline. These temperatures provide in combination with a Newtonian…

Earth and Planetary Astrophysics · Physics 2014-10-16 Ludmila Carone , Rony Keppens , Leen Decin
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