Search Results - "Hawley, Suzanne L."

Do Kepler Superflare Stars Really Include Slowly Rotating Sun-like Stars?-Results Using APO 3.5 m Telescope Spectroscopic Observations and Gaia-DR2 Data by Notsu, Yuta, Maehara, Hiroyuki, Honda, Satoshi, Hawley, Suzanne L., Davenport, James R. A., Namekata, Kosuke, Notsu, Shota, Ikuta, Kai, Nogami, Daisaku, Shibata, Kazunari

“…We report the latest view of Kepler solar-type (G-type main-sequence) superflare stars, including recent updates with Apache Point Observatory (APO) 3.5 m…”
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The Starspots of HAT-P-11: Evidence for a Solar-like Dynamo by Morris, Brett M., Hebb, Leslie, Davenport, James R. A., Rohn, Graeme, Hawley, Suzanne L.

“…We measure the starspot radii and latitude distribution on the K4 dwarf HAT-P-11 from Kepler short-cadence photometry. We take advantage of starspot…”
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Possible Bright Starspots on TRAPPIST-1 by Morris, Brett M., Agol, Eric, Davenport, James R. A., Hawley, Suzanne L.

“…The M8V star TRAPPIST-1 hosts seven roughly Earth-sized planets and is a promising target for exoplanet characterization. Kepler/K2 Campaign 12 observations of…”
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The Near-ultraviolet Continuum Radiation in the Impulsive Phase of HF/GF-type dMe Flares. I. Data by Kowalski, Adam F., Wisniewski, John P., Hawley, Suzanne L., Osten, Rachel A., Brown, Alexander, Fariña, Cecilia, Valenti, Jeff A., Brown, Stephen, Xilouris, Manolis, Schmidt, Sarah J., Johns-Krull, Christopher

“…We present near-UV (NUV) flare spectra from the Hubble Space Telescope (HST)/Cosmic Origins Spectrograph during two moderate-amplitude U-band flares on the…”
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Temporal Evolution of Spatially Resolved Individual Star Spots on a Planet-hosting Solar-type Star: Kepler-17 by Namekata, Kosuke, Davenport, James R. A., Morris, Brett M., Hawley, Suzanne L., Maehara, Hiroyuki, Notsu, Yuta, Toriumi, Shin, Ikuta, Kai, Notsu, Shota, Honda, Satoshi, Nogami, Daisaku, Shibata, Kazunari

“…Star spot evolution is visible evidence of the emergence/decay of the magnetic field on a stellar surface, and it is therefore important for the understanding…”
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KEPLER FLARES. IV. A COMPREHENSIVE ANALYSIS OF THE ACTIVITY OF THE dM4e STAR GJ 1243 by Silverberg, Steven M., Kowalski, Adam F., Davenport, James R. A., Wisniewski, John P., Hawley, Suzanne L., Hilton, Eric J.

“…ABSTRACT We present a comprehensive study of the active dM4e star GJ 1243. We use previous observations and ground-based echelle spectroscopy to determine that…”
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Apache Point Observatory (APO)/SMARTS Flare Star Campaign Observations. I. Blue Wing Asymmetries in Chromospheric Lines during Mid-M-Dwarf Flares from Simultaneous Spectroscopic and Photometric Observation Data by Notsu, Yuta, Kowalski, Adam F., Maehara, Hiroyuki, Namekata, Kosuke, Hamaguchi, Kenji, Enoto, Teruaki, Tristan, Isaiah I., Hawley, Suzanne L., Davenport, James R. A., Honda, Satoshi, Ikuta, Kai, Inoue, Shun, Namizaki, Keiichi, Nogami, Daisaku, Shibata, Kazunari

“…Abstract We conducted the time-resolved simultaneous optical spectroscopic and photometric observations of mid-M-dwarf flare stars YZ CMi, EV Lac, and AD Leo…”
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Chromospheric Activity of HAT-P-11: An Unusually Active Planet-hosting K Star by Morris, Brett M., Hawley, Suzanne L., Hebb, Leslie, Sakari, Charli, Davenport, James. R. A., Isaacson, Howard, Howard, Andrew W., Montet, Benjamin T., Agol, Eric

“…Kepler photometry of the hot Neptune host star HAT-P-11 suggests that its spot latitude distribution is comparable to the Sun's near solar maximum. We search…”
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TOI-2015 b: A Warm Neptune with Transit Timing Variations Orbiting an Active Mid-type M Dwarf by Jones, Sinclaire E., Stefánsson, Guđmundur, Masuda, Kento, Libby-Roberts, Jessica E., Gardner, Cristilyn N., Holcomb, Rae, Beard, Corey, Robertson, Paul, Cañas, Caleb I., Mahadevan, Suvrath, Kanodia, Shubham, Lin, Andrea S. J., Kobulnicky, Henry A., Parker, Brock A., Bender, Chad F., Cochran, William D., Diddams, Scott A., Fernandes, Rachel B., Gupta, Arvind F., Halverson, Samuel, Hawley, Suzanne L., Hearty, Fred R., Hebb, Leslie, Kowalski, Adam, Lubin, Jack, Monson, Andrew, Ninan, Joe P., Ramsey, Lawrence, Roy, Arpita, Schwab, Christian, Terrien, Ryan C., Wisniewski, John

“…Abstract We report the discovery of a close-in ( P orb = 3.349 days) warm Neptune with clear transit timing variations (TTVs) orbiting the nearby ( d = 47.3…”
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Evidence for Distinct Components of the Galactic Stellar Halo from 838 RR Lyrae Stars Discovered in the LONEOS-I Survey by Miceli, Antonino, Rest, Armin, Stubbs, Christopher W, Hawley, Suzanne L, Cook, Kem H, Magnier, Eugene A, Krisciunas, Kevin, Bowell, Edward, Koehn, Bruce

“…We present 838 ab-type RR Lyrae stars from the Lowell Observatory Near Earth Objects Survey Phase I (LONEOS-I). These objects cover 1430 deg super(2) and span…”
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Radiative Hydrodynamic Models of the Optical and Ultraviolet Emission from Solar Flares by Allred, Joel C, Hawley, Suzanne L, Abbett, William P, Carlsson, Mats

“…We report on radiative hydrodynamic simulations of moderate and strong solar flares. The flares were simulated by calculating the atmospheric response to a…”
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From Radio to X-Ray: Flares on the dMe Flare Star EV Lacertae by Osten, Rachel A, Hawley, Suzanne L, Allred, Joel C, Johns-Krull, Christopher M, Roark, Christine

“…We present the results of a campaign to observe flares on the M dwarf flare star EV Lacertae over the course of two days in 2001 September, utilizing a…”
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Characterizing the Near-UV Environment of M Dwarfs by Walkowicz, Lucianne M, Johns-Krull, Christopher M, Hawley, Suzanne L

“…We report the results of our Hubble Space Telescope (HST) snapshot survey with the ACS HRC PR200L prism, designed to measure the near- UV emission in a sample…”
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Radiative Hydrodynamic Models of Optical and Ultraviolet Emission from M Dwarf Flares by Allred, Joel C, Hawley, Suzanne L, Abbett, William P, Carlsson, Mats

“…We report on radiative hydrodynamic simulations of M dwarf stellar flares and compare the model predictions to observations of several flares. The flares were…”
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KEPLER FLARES. I. ACTIVE AND INACTIVE M DWARFS by Hawley, Suzanne L, Davenport, James R A, Kowalski, Adam F, Wisniewski, John P, Hebb, Leslie, Deitrick, Russell, Hilton, Eric J

“…We analyzed Kepler short-cadence M dwarf observations. Spectra from the Astrophysical Research Consortium 3.5 m telescope identify magnetically active (H alpha…”
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Updated Colors for Cool Stars in the Sloan Digital Sky Survey by West, Andrew A., Walkowicz, Lucianne M., Hawley, Suzanne L.

“…We present updated colors for M and L dwarfs based on photometry from the third data release of the Sloan Digital Sky Survey (SDSS). These data are improved in…”
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DETECTING DIFFERENTIAL ROTATION AND STARSPOT EVOLUTION ON THE M DWARF GJ 1243 WITH KEPLER by Davenport, James R A, Hebb, Leslie, Hawley, Suzanne L

“…We present an analysis of the starspots on the active M4 dwarf GJ 1243, using 4 years of time series photometry from Kepler. A rapid P = 0.592596 + or -…”
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Near‐Ultraviolet Spectra of Flares on YZ CMi by Hawley, Suzanne L., Walkowicz, Lucianne M., Allred, Joel C., Valenti, Jeff A.

“…Near‐ultraviolet spectroscopic data obtained with theHubble Space TelescopeSTIS (Space Telescope Imaging Spectrograph) instrument on the dMe flare star YZ…”
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Dynamic Models of Optical Emission in Impulsive Solar Flares by Abbett, William P, Hawley, Suzanne L

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The Evolution of Flare Activity with Stellar Age by Davenport, James R. A., Covey, Kevin R., Clarke, Riley W., Boeck, Austin C., Cornet, Jonathan, Hawley, Suzanne L.

“…Using a recent census of flare stars from the Kepler survey, we have explored how flare activity evolves across stellar main-sequence lifetimes. We utilize a…”
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