Zobrazeno 1 - 10
of 396
pro vyhledávání: '"Shkolnik, Evgenya"'
Autor:
France, Kevin, Tumlinson, Jason, Fleming, Brian, Gennaro, Mario, Hamden, Erika, McCandliss, Stephan R., Scowen, Paul, Shkolnik, Evgenya, Tuttle, Sarah, Vargas, Carlos J., Youngblood, Allison
NASA's Great Observatories Maturation Program (GOMAP) will advance the science definition, technology, and workforce needed for the Habitable Worlds Observatory (HWO) with the goal of a Phase A start by the end of the current decade. GOMAP offers lon
Externí odkaz:
http://arxiv.org/abs/2407.14611
The far-ultraviolet (FUV) flare activity of low-mass stars has become a focus in our understanding of the exoplanet atmospheres and how they evolve. However, direct detection of FUV flares and measurements of their energies and rates are limited by t
Externí odkaz:
http://arxiv.org/abs/2406.15308
Autor:
Jackman, James A. G., Shkolnik, Evgenya L., Loyd, R. O. Parke, Richey-Yowell, Tyler, Llama, Joe, Boyd, David, Buchheim, Bob, Iadevaia, David, Martin, Jack, Sims, Forrest, Walker, Gary, Wetmore, John
We present the results of a multi-wavelength Pro-Am campaign to study the behaviour of flares from the active M1.5V star binary CR Draconis. CR Dra was observed with TESS 20-s photometry, Swift near-UV (NUV) grism spectroscopy and with ground-based o
Externí odkaz:
http://arxiv.org/abs/2402.13885
We simulate atmospheric fractionation in escaping planetary atmospheres using IsoFATE, a new open-source numerical model. We expand the parameter space studied previously to planets with tenuous atmospheres that exhibit the greatest helium and deuter
Externí odkaz:
http://arxiv.org/abs/2402.10690
Autor:
Petz, Sydney, Johnson, Marshall C., Asnodkar, Anusha Pai, Wang, Ji, Gaudi, B. Scott, Henning, Thomas, Keles, Engin, Molaverdikhani, Karan, Poppenhaeger, Katja, Scandariato, Gaetano, Shkolnik, Evgenya K., Sicilia, Daniela, Strassmeier, Klaus G., Yan, Fei
Most ultra hot Jupiters (UHJs) show evidence of temperature inversions, in which temperature increases with altitude over a range of pressures. Temperature inversions can occur when there is a species that absorbs the stellar irradiation at a relativ
Externí odkaz:
http://arxiv.org/abs/2310.09352
Autor:
Kao, Melodie M., Shkolnik, Evgenya L.
We present a generalized analytical Bayesian framework for calculating the occurrence rate of steady emission (or absorption) in astrophysical objects. As a proof-of-concept, we apply this framework to non-flaring quiescent radio emission in ultracoo
Externí odkaz:
http://arxiv.org/abs/2306.16460
Autor:
Richey-Yowell, Tyler, Shkolnik, Evgenya L., Schneider, Adam C., Peacock, Sarah, Huseby, Lori A., Jackman, James A. G., Barman, Travis, Osby, Ella, Meadows, Victoria S.
Low mass stars ($\leq 1$ M$_{\odot}$) are some of the best candidates for hosting planets with detectable life because of these stars' long lifetimes and relative planet to star mass and radius ratios. An important aspect of these stars to consider i
Externí odkaz:
http://arxiv.org/abs/2305.06561
Autor:
Mayo, Andrew W., Dressing, Courtney D., Vanderburg, Andrew, Fortenbach, Charles D., Lienhard, Florian, Malavolta, Luca, Mortier, Annelies, Núñez, Alejandro, Richey-Yowell, Tyler, Turtelboom, Emma V., Bonomo, Aldo S., Latham, David W., López-Morales, Mercedes, Shkolnik, Evgenya, Sozzetti, Alessandro, Agüeros, Marcel A., Borsato, Luca, Charbonneau, David, Cosentino, Rosario, Douglas, Stephanie T., Dumusque, Xavier, Ghedina, Adriano, Gibson, Rose, Granata, Valentina, Harutyunyan, Avet, Haywood, R. D., Lacedelli, Gaia, Lorenzi, Vania, Magazzù, Antonio, Fiorenzano, A. F. Martinez, Micela, Giuseppina, Molinari, Emilio, Montalto, Marco, Nardiello, Domenico, Nascimbeni, Valerio, Pagano, Isabella, Piotto, Giampaolo, Pino, Lorenzo, Poretti, Ennio, Scandariato, Gaetano, Udry, Stephane, Buchhave, Lars A.
K2-136 is a late-K dwarf ($0.742\pm0.039$ M$_\odot$) in the Hyades open cluster with three known, transiting planets and an age of $650\pm70$ Myr. Analyzing K2 photometry, we found that planets K2-136b, c, and d have periods of $8.0$, $17.3$, and $25
Externí odkaz:
http://arxiv.org/abs/2304.02779
Radiation belts are present in all large-scale Solar System planetary magnetospheres: Earth, Jupiter, Saturn, Uranus, and Neptune. These persistent equatorial zones of trapped high energy particles up to tens of MeV can produce bright radio emission
Externí odkaz:
http://arxiv.org/abs/2302.12841
Autor:
Loyd, R. O. Parke, Schneider, P. C., Jackman, James A. G., France, Kevin, Shkolnik, Evgenya L., Arulanantham, Nicole, Cauley, P. Wilson, Llama, Joe, Schneider, Adam C.
Variability in the far ultraviolet (FUV) emission produced by stellar activity affects photochemistry and heating in orbiting planetary atmospheres. We present a comprehensive analysis of the FUV variability of GJ 436, a field-age, M2.5V star ($P_\ma
Externí odkaz:
http://arxiv.org/abs/2302.10259