Zobrazeno 1 - 10
of 92
pro vyhledávání: '"Millholland, Sarah"'
Autor:
Liveoak, Donald, Millholland, Sarah
Conventional planet formation theories predict a paucity of massive planets around small stars, especially very low-mass ($0.1 - 0.3 \ M_{\odot}$) mid-to-late M dwarfs. Such tiny stars are expected to form planets of terrestrial sizes, but not much b
Externí odkaz:
http://arxiv.org/abs/2409.05748
Autor:
Louden, Emma, Millholland, Sarah
There is an intriguing and growing population of Neptune-sized planets with stellar obliquities near $\sim90^{\circ}$. One previously proposed formation pathway is a disk-driven resonance, which can take place at the end stages of planet formation in
Externí odkaz:
http://arxiv.org/abs/2409.03679
Autor:
Leleu, Adrien, Delisle, Jean-Baptiste, Burn, Remo, Izidoro, André, Udry, Stéphane, Dumusque, Xavier, Lovis, Christophe, Millholland, Sarah, Parc, Léna, Bouchy, François, Bourrier, Vincent, Alibert, Yann, Faria, João, Mordasini, Christoph, Ségransan, Damien
A systematic, population-level discrepancy exists between the densities of exoplanets whose masses have been measured with transit timing variations (TTVs) versus those measured with radial velocities (RVs). Since the TTV planets are predominantly ne
Externí odkaz:
http://arxiv.org/abs/2406.18991
Autor:
Dai, Fei, Goldberg, Max, Batygin, Konstantin, van Saders, Jennifer, Chiang, Eugene, Choksi, Nick, Li, Rixin, Petigura, Erik A., Gilbert, Gregory J., Millholland, Sarah C., Dai, Yuan-Zhe, Bouma, Luke, Weiss, Lauren M., Winn, Joshua N.
Multiple planets undergoing disk migration may be captured into a chain of mean-motion resonances with the innermost planet parked near the disk's inner edge. Subsequent dynamical evolution may disrupt these resonances, leading to the non-resonant co
Externí odkaz:
http://arxiv.org/abs/2406.06885
Autor:
Lu, Tiger, An, Qier, Li, Gongjie, Millholland, Sarah C., Brandt, G. Mirek, Brandt, Timothy D.
The two planets of the HAT-P-11 system represent fascinating dynamical puzzles due to their significant eccentricities and orbital misalignments. In particular, HAT-P-11 b is on a close-in orbit that tides should have circularized well within the age
Externí odkaz:
http://arxiv.org/abs/2405.19511
Autor:
Burt, Jennifer A., Hooton, Matthew J., Mamajek, Eric E., Barragán, Oscar, Millholland, Sarah C., Fairnington, Tyler R., Fisher, Chloe, Halverson, Samuel P., Huang, Chelsea X., Brady, Madison, Seifahrt, Andreas, Gaidos, Eric, Luque, Rafael, Kasper, David, Bean, Jacob L.
We present an updated characterization of the TOI-1685 planetary system, which consists of a P$_{\rm{b}}$ = 0.69\,day USP super-Earth planet orbiting a nearby ($d$ = 37.6\,pc) M2.5V star (TIC 28900646, 2MASS J04342248+4302148). This planet was previo
Externí odkaz:
http://arxiv.org/abs/2405.14895
Autor:
Burdge, Kevin B., El-Badry, Kareem, Kara, Erin, Canizares, Claude, Chakrabarty, Deepto, Frebel, Anna, Millholland, Sarah C., Rappaport, Saul, Simcoe, Rob, Vanderburg, Andrew
Evidence suggests that when compact objects such as black holes and neutron stars form, they may receive a ``natal kick,'' where the stellar remnant gains momentum. Observational evidence for neutron star kicks is substantial, yet limited for black h
Externí odkaz:
http://arxiv.org/abs/2404.03719
The efficiency of tidal dissipation provides a zeroth-order link to a planet's physical properties. For super-Earth and sub-Neptune planets in the range $R_{\oplus}\lesssim R_p \lesssim 4 R_{\oplus}$, particularly efficient dissipation (i.e., low tid
Externí odkaz:
http://arxiv.org/abs/2311.03576
Autor:
Fairnington, Tyler R., Nabbie, Emma, Huang, Chelsea X., Zhou, George, Foo, Orion, Millholland, Sarah, Wright, Duncan, Belinski, Alexandre A., Bieryla, Allyson, Ciardi, David R., Collins, Karen A., Collins, Kevin I., Everett, Mark, Howell, Steve B., Lissauer, Jack J., Lund, Michael B., Murgas, Felipe, Palle, Enric, Quinn, Samuel N., Relles, Howard M., Safonov, Boris S., Schwarz, Richard P., Scott, Nicholas J., Srdoc, Gregor, Ricker, George, Vanderspek, Roland, Seager, Sara, Latham, David W., Winn, Joshua W., Jenkins, Jon M., Bouma, Luke G., Shporer, Avi, Ting, Eric B., Dragomir, Diana, Kunimoto, Michelle, Eisner, Nora L.
We present the confirmation of a hot super-Neptune with an exterior Neptune companion orbiting a bright (V = 10.1 mag) F-dwarf identified by the $\textit{Transiting Exoplanet Survey Satellite}$ ($\textit{TESS}$). The two planets, observed in sectors
Externí odkaz:
http://arxiv.org/abs/2310.08890
Autor:
Sobski, Nicole, Millholland, Sarah C.
Compact systems of multiple close-in super-Earths/sub-Neptunes ("compact multis") are a ubiquitous outcome of planet formation. It was recently discovered that the outer edges of compact multis are located at smaller orbital periods than expected fro
Externí odkaz:
http://arxiv.org/abs/2307.14309