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pro vyhledávání: '"MACDONALD, A. G."'
Autor:
MacDonald, Mariah G., Vivas, Michael S. Polania, D'Angiolillo, Skylar, Fernandez, Ashley N., Quinn, Tyler
The study of orbital resonances allows for the constraint of planetary properties of compact systems. We can predict a system's resonances by observing the orbital periods of the planets, as planets in or near mean motion resonance have period ratios
Externí odkaz:
http://arxiv.org/abs/2307.06171
Autor:
Sheikh, Sofia Z., Kanodia, Shubham, Lubar, Emily, Bowman, William P., Cañas, Caleb I., Gilbertson, Christian, MacDonald, Mariah G., Wright, Jason, MacMahon, David, Croft, Steve, Price, Danny, Siemion, Andrew, Drew, Jamie, Worden, S. Pete, Trenholm, Elizabeth
A growing avenue for determining the prevalence of life beyond Earth is to search for "technosignatures" from extraterrestrial intelligences/agents. Technosignatures require significant energy to be visible across interstellar space and thus intentio
Externí odkaz:
http://arxiv.org/abs/2212.05137
The study of orbital resonances allows for the constraint of planetary properties of compact systems. K2-138 is an early K-type star with six planets, five of which have been proposed to be in the longest chain of 3:2 mean motion resonances. To obser
Externí odkaz:
http://arxiv.org/abs/2201.12687
Since the launch of the Kepler space telescope in 2009 and the subsequent K2 mission, hundreds of multi-planet systems have been discovered. The study of such systems, both as individual systems and as a population, leads to a better understanding of
Externí odkaz:
http://arxiv.org/abs/2107.05597
Autor:
Sheikh, Sofia Z., MacDonald, Mariah G.
Approximately 8% of the $\sim$2800 known pulsars exhibit "nulling," a temporary broadband cessation of normal pulsar emission. Nulling behaviour can be coarsely quantified by the nulling fraction, which describes the percentage of time a given pulsar
Externí odkaz:
http://arxiv.org/abs/2102.00045
Exoplanet systems with multiple planets in mean motion resonances have often been hailed as a signpost of disk driven migration. Resonant chains like Kepler-223 and Kepler-80 consist of a trio of planets with the three-body resonant angle librating a
Externí odkaz:
http://arxiv.org/abs/2010.14743
Super-Earths and mini-Neptunes exhibit great diversity in their compositional and orbital properties. Their bulk densities span a large range, from those dense enough to be purely rocky to those needing a substantial contribution from volatiles to th
Externí odkaz:
http://arxiv.org/abs/2001.06531
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Autor:
Moore, Gary W., Foxton, Eleanor, Platton, Sean, Yartey, Nada, White, Danielle, MacDonald, Stephen G.
Publikováno v:
In Journal of Thrombosis and Haemostasis December 2023 21(12):3539-3546
Autor:
MacDonald, Mariah G.
The ''radius valley" is a relative dearth of planets between two potential populations of exoplanets, super-Earths and mini-Neptunes. This feature appears in examining the distribution of planetary radii, but has only ever been characterized on small
Externí odkaz:
http://arxiv.org/abs/1905.12048