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of 359
pro vyhledávání: '"O’Sullivan, Niamh"'
Autor:
Klein, Baptiste, Aigrain, Suzanne, Cretignier, Michael, Moulla, Khaled Al, Dumusque, Xavier, Barragán, Oscar, Yu, Haochuan, Mortier, Annelies, Rescigno, Federica, Cameron, Andrew Collier, López-Morales, Mercedes, Meunier, Nadège, Sozzetti, Alessandro, O'Sullivan, Niamh K.
Stellar magnetic activity induces both distortions and Doppler-shifts in the absorption line profiles of Sun-like stars. Those effects produce apparent radial velocity (RV) signals which greatly hamper the search for potentially habitable, Earth-like
Externí odkaz:
http://arxiv.org/abs/2405.12065
Autor:
Barragán, Oscar, Yu, Haochuan, Freckelton, Alix Violet, Meech, Annabella, Cretignier, Michael, Mortier, Annelies, Aigrain, Suzanne, Klein, Baptiste, O'Sullivan, Niamh K., Gillen, Edward, Nielsen, Louise Dyregaard, Mallorquín, Manuel, Zicher, Norbert
We present an exhaustive photometric and spectroscopic analysis of TOI-837, a F9/G0 35 Myr young star, hosting a transiting exoplanet, TOI-837b, with an orbital period of 8.32d. Utilising data from TESS and ground-based observations, we determine a p
Externí odkaz:
http://arxiv.org/abs/2404.13750
Autor:
O'Sullivan, Niamh K., Aigrain, Suzanne
As the hunt for an Earth-like exoplanets has intensified in recent years, so has the effort to characterise and model the stellar signals that can hide or mimic small planetary signals. Stellar variability arises from a number of sources, including g
Externí odkaz:
http://arxiv.org/abs/2404.11662
Autor:
Yu, Haochuan, Aigrain, Suzanne, Klein, Baptiste, Barragán, Oscar, Mortier, Annelies, O'Sullivan, Niamh K., Cretignier, Michael
Although instruments for measuring the radial velocities (RVs) of stars now routinely reach sub-meter per second accuracy, the detection of low-mass planets is still very challenging. The rotational modulation and evolution of spots and/or faculae ca
Externí odkaz:
http://arxiv.org/abs/2401.05528
Autor:
Barragán, Oscar, Gillen, Edward, Aigrain, Suzanne, Meech, Annabella, Klein, Baptiste, Nielsen, Louise Dyregaard, Yu, Haochuan, O'Sullivan, Niamh K., Nicholson, Belinda A., Lillo-Box, Jorge
Detecting planetary signatures in radial velocity time-series of young stars is challenging due to their inherently strong stellar activity. However, it is possible to learn information about the properties of the stellar signal by using activity ind
Externí odkaz:
http://arxiv.org/abs/2304.06406
Autor:
O’Sullivan, Niamh
Publikováno v:
History Ireland, 2023 Jul 01. 31(4), 22-23.
Externí odkaz:
https://www.jstor.org/stable/27233760
Autor:
O'Sullivan, Niamh
If $G$ and $H$ are finitely generated residually nilpotent groups, then $G$ and $H$ are in the same nilpotent genus if they have the same lower central quotients (up to isomorphism). A stronger condition is that $H$ is para-$G$ if there exists a mono
Externí odkaz:
http://arxiv.org/abs/2203.02307
Publikováno v:
In Research in Social and Administrative Pharmacy June 2024 20(6):102-112
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