Results 31 to 40 of about 139,309 (89)

Constraining the Presence of Companion Planets in Hot Jupiter Planetary Systems Using Transit-timing Variation Observations from TESS

open access: yesThe Astrophysical Journal Supplement Series
The presence of another planetary companion in a transiting exoplanet system can impact its transit light curve, leading to sinusoidal transit-timing variations (TTV).
Zixin Zhang   +9 more
doaj   +1 more source

Demographic characteristics of the participants in Jordan (n = 466).

open access: yes, 2022
Demographic characteristics of the participants in Jordan (n = 466).
Ghadeer A. R. Y. Suaifan (14232237)   +5 more
core   +1 more source

Probing the Extended Atmospheres of AGB Stars. I. Synthetic Imaging of 1D Hydrodynamical Models at Radio and (Sub-)millimeter Wavelengths

open access: yesThe Astrophysical Journal
We investigate the observable characteristics of the extended atmospheres of asymptotic giant branch (AGB) stars across a wide range of radio and (sub-)millimeter wavelengths using state-of-the-art 1D dynamical atmosphere and wind models over one ...
Behzad Bojnordi Arbab   +3 more
doaj   +1 more source

Simulating Radio Synchrotron Morphology, Spectra, and Polarization of Cosmic Ray Driven Galactic Winds

open access: yesThe Astrophysical Journal
The formation of galaxies is significantly influenced by galactic winds, possibly driven by cosmic rays due to their long cooling times and better coupling to plasma compared to radiation.
H.-H. Sandy Chiu   +4 more
doaj   +1 more source

Updated Cosmological Constraints in Extended Parameter Space with Planck PR4, DESI Baryon Acoustic Oscillations, and Supernovae: Dynamical Dark Energy, Neutrino Masses, Lensing Anomaly, and the Hubble Tension

open access: yesThe Astrophysical Journal Letters
We present updated constraints on cosmological parameters in a 12-parameter model, extending the standard six-parameter ΛCDM by including dynamical dark energy (DE ; w _0 , w _a ), the sum of neutrino masses (∑ m _ν ), the effective number of non-photon ...
Shouvik Roy Choudhury, Teppei Okumura
doaj   +1 more source

KBSS-InCLOSE. I. Design and First Results from the Inner Circumgalactic Medium of QSO Line-of-sight Emitting Galaxies at z ∼ 2–3

open access: yesThe Astrophysical Journal
We present the design and first results of the inner circumgalactic medium (CGM) of QSO line-of-sight emitting galaxies at z ∼ 2–3, Keck Baryonic Structure Survey (KBSS)-InCLOSE.
Evan Haze Nuñez   +12 more
doaj   +1 more source

The Effect of Anisotropic Energy Injection on the Ejecta Emission

open access: yesThe Astrophysical Journal
A rapidly rotating magnetar has long been assumed to inject energy into the ejecta through isotropic output energy in previous works. However, the output energy of a magnetar is anisotropic and a jet is generally presented in the rotational direction of ...
Yu-Fei Li   +5 more
doaj   +1 more source

Gonzalez, Erik (FA 466) [PDF]

open access: yes, 2009
Finding aid only for Folklife Archives Project 466. Paper: Parody in the Digital Age written by Erik Gonzalez for a Western Kentucky University folk studies ...
Folklife Archives, Manuscripts &
core  

ADC 466

open access: yes, 2009
onderzoeksrappor
Wyns, S.
core   +1 more source

Study of Evolution and Geo-effectiveness of Coronal Mass Ejection–Coronal Mass Ejection Interactions Using Magnetohydrodynamic Simulations with SWASTi Framework

open access: yesThe Astrophysical Journal
The geo-effectiveness of coronal mass ejections (CMEs) is a critical area of study in space weather, particularly in the lesser-explored domain of CME–CME interactions and their geomagnetic consequences.
Prateek Mayank   +4 more
doaj   +1 more source

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