Search Results - "Mann, Andrew W."

X-ray-optical classification of cluster mergers and the evolution of the cluster merger fraction by Mann, Andrew W., Ebeling, Harald

“…We present the results of a simple but robust morphological classification of a statistically complete sample of 108 of the most X-ray-luminous clusters at…”
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HOW TO CONSTRAIN YOUR M DWARF: MEASURING EFFECTIVE TEMPERATURE, BOLOMETRIC LUMINOSITY, MASS, AND RADIUS by Mann, Andrew W., Feiden, Gregory A., Gaidos, Eric, Boyajian, Tabetha, Braun, Kaspar von

“…ABSTRACT Precise and accurate parameters for late-type (late K and M) dwarf stars are important for characterization of any orbiting planets, but such…”
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M DWARF METALLICITIES AND GIANT PLANET OCCURRENCE: IRONING OUT UNCERTAINTIES AND SYSTEMATICS by Gaidos, Eric, Mann, Andrew W

“…Comparisons between the planet populations around solar-type stars and those orbiting M dwarfs shed light on the possible dependence of planet formation and…”
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Using the Gaia Excess Uncertainty as a Proxy for Stellar Variability and Age by Barber, Madyson G., Mann, Andrew W.

“…Abstract Stars are known to be more active when they are young, resulting in a strong correlation between age and photometric variability. The amplitude…”
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Temperatures and Metallicities of M Dwarfs in the APOGEE Survey by Birky, Jessica, Hogg, David W., Mann, Andrew W., Burgasser, Adam

“…M dwarfs have enormous potential for our understanding of structure and formation on both Galactic and exoplanetary scales through their properties and…”
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How to Constrain Your M Dwarf. II. The Mass-Luminosity-Metallicity Relation from 0.075 to 0.70 Solar Masses by Mann, Andrew W., Dupuy, Trent, Kraus, Adam L., Gaidos, Eric, Ansdell, Megan, Ireland, Michael, Rizzuto, Aaron C., Hung, Chao-Ling, Dittmann, Jason, Factor, Samuel, Feiden, Gregory, Martinez, Raquel A., Ruíz-Rodríguez, Dary, Chia Thao, Pa

“…The mass-luminosity relation for late-type stars has long been a critical tool for estimating stellar masses. However, there is growing need for both a…”
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ZODIACAL EXOPLANETS IN TIME (ZEIT). I. A NEPTUNE-SIZED PLANET ORBITING AN M4.5 DWARF IN THE HYADES STAR CLUSTER by Mann, Andrew W., Gaidos, Eric, Mace, Gregory N., Johnson, Marshall C., Bowler, Brendan P., LaCourse, Daryll, Jacobs, Thomas L., Vanderburg, Andrew, Kraus, Adam L., Kaplan, Kyle F., Jaffe, Daniel T.

“…ABSTRACT Studying the properties of young planetary systems can shed light on how the dynamics and structure of planets evolve during their most formative…”
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SPECTROSCOPIC CONFIRMATION OF YOUNG PLANETARY-MASS COMPANIONS ON WIDE ORBITS by Bowler, Brendan P, Liu, Michael C, Kraus, Adam L, Mann, Andrew W

“…We present moderate-resolution (R ~ 4000-5000) near-infrared integral field spectroscopy of the young (1-5 Myr) 6-14 M sub(jup) companions ROXs 42B b and FW…”
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ORBITAL ARCHITECTURES OF PLANET-HOSTING BINARIES. I. FORMING FIVE SMALL PLANETS IN THE TRUNCATED DISK OF KEPLER-444A by Dupuy, Trent J, Kratter, Kaitlin M, Kraus, Adam L, Isaacson, Howard, Mann, Andrew W, Ireland, Michael J, Howard, Andrew W, Huber, Daniel

“…ABSTRACT We present the first results from our Keck program investigating the orbital architectures of planet-hosting multiple star systems. Kepler-444 is a…”
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A Search for Stellar Siblings of the ∼200 Myr TOI-251 b Planetary System by Sun, Qinghui, Wang, Sharon Xuesong, Mann, Andrew W., Tofflemire, Benjamin M., Kraus, Adam L., Gan, Tianjun, Barber, Madyson G.

“…Abstract Young planets (<1 Gyr) are helpful for studying the physical processes occurring at the early stage of planet evolution. TOI-251 b is a recently…”
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A Physically Motivated and Empirically Calibrated Method to Measure the Effective Temperature, Metallicity, and Ti Abundance of M Dwarfs by Veyette, Mark J., Muirhead, Philip S., Mann, Andrew W., Brewer, John M., Allard, France, Homeier, Derek

“…The ability to perform detailed chemical analysis of Sun-like F-, G-, and K-type stars is a powerful tool with many applications, including studying the…”
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The Metallicity Distribution and Hot Jupiter Rate of the Kepler Field: Hectochelle High-resolution Spectroscopy for 776 Kepler Target Stars by Guo, Xueying, Johnson, John A., Mann, Andrew W., Kraus, Adam L., Curtis, Jason L., Latham, David W.

“…The occurrence rate of hot Jupiters from the Kepler transit survey is roughly half that of radial velocity surveys targeting solar neighborhood stars. One…”
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The Variable Detection of Atmospheric Escape around the Young, Hot Neptune AU Mic b by Rockcliffe, Keighley E., Newton, Elisabeth R., Youngblood, Allison, Duvvuri, Girish M., Plavchan, Peter, Gao, Peter, Mann, Andrew W., Lowrance, Patrick J.

“…Photoevaporation is a potential explanation for several features within exoplanet demographics. Atmospheric escape observed in young Neptune-sized exoplanets…”
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THE PHYSICAL MECHANISM BEHIND M DWARF METALLICITY INDICATORS AND THE ROLE OF C AND O ABUNDANCES by Veyette, Mark J., Muirhead, Philip S., Mann, Andrew W., Allard, France

“…ABSTRACT We present near-infrared (NIR) synthetic spectra based on PHOENIX stellar atmosphere models of typical early and mid-M dwarfs with varied C and O…”
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TESS Observations of the Pleiades Cluster: A Nursery for δ Scuti Stars by Bedding, Timothy R., Murphy, Simon J., Crawford, Courtney, Hey, Daniel R., Huber, Daniel, Kjeldsen, Hans, Li, Yaguang, Mann, Andrew W., Torres, Guillermo, White, Timothy R., Zhou, George

“…Abstract We studied 89 A- and F-type members of the Pleiades open cluster, including five escaped members. We measured projected rotational velocities ( v sin…”
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Quantifying the Transit Light Source Effect: Measurements of Spot Temperature and Coverage on the Photosphere of AU Microscopii with High-resolution Spectroscopy and Multicolor Photometry by Waalkes, William C., Berta-Thompson, Zachory K., Newton, Elisabeth R., Mann, Andrew W., Gao, Peter, Wakeford, Hannah R., Alderson, Lili, Plavchan, Peter

“…Abstract AU Microscopii (AU Mic) is an active 24 ± 3 Myr pre-main-sequence M dwarf in the stellar neighborhood ( d = 9.7 pc) with a rotation period of 4.86…”
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The Strength and Variability of the Helium 10830 Å Triplet in Young Stars, with Implications for Exosphere Detection by Krolikowski, Daniel M., Kraus, Adam L., Tofflemire, Benjamin M., Morley, Caroline V., Mann, Andrew W., Vanderburg, Andrew

“…Abstract Young exoplanets trace planetary evolution, in particular the atmospheric mass loss that is most dynamic in youth. However, the high activity level of…”
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Revising Properties of Planet–Host Binary Systems. III. There Is No Observed Radius Gap for Kepler Planets in Binary Star Systems by Sullivan, Kendall, Kraus, Adam L., Huber, Daniel, Petigura, Erik A., Evans, Elise, Dupuy, Trent, Zhang, Jingwen, Berger, Travis A., Gaidos, Eric, Mann, Andrew W.

“…Abstract Binary stars are ubiquitous; the majority of solar-type stars exist in binaries. Exoplanet occurrence rate is suppressed in binaries, but some…”
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THE ENIGMATIC AND EPHEMERAL M DWARF SYSTEM KOI 6705: CHESHIRE CAT OR WILD GOOSE? by Eric Gaidos, Mann, Andrew W., Ansdell, Megan

“…ABSTRACT We confirm a 0.995 day periodic planetary transit-like signal, KOI 6705.01, in the Kepler light curve of the star KIC 6423922. Optical and infrared…”
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Stellar diameters and temperatures – VI. High angular resolution measurements of the transiting exoplanet host stars HD 189733 and HD 209458 and implications for models of cool dwarfs by Boyajian, Tabetha, von Braun, Kaspar, Feiden, Gregory A., Huber, Daniel, Basu, Sarbani, Demarque, Pierre, Fischer, Debra A., Schaefer, Gail, Mann, Andrew W., White, Timothy R., Maestro, Vicente, Brewer, John, Lamell, C. Brooke, Spada, Federico, López-Morales, Mercedes, Ireland, Michael, Farrington, Chris, van Belle, Gerard T., Kane, Stephen R., Jones, Jeremy, ten Brummelaar, Theo A., Ciardi, David R., McAlister, Harold A., Ridgway, Stephen, Goldfinger, P. J., Turner, Nils H., Sturmann, Laszlo

“…We present direct radii measurements of the well-known transiting exoplanet host stars HD 189733 and HD 209458 using the CHARA Array interferometer. We find…”
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