Search Results - "Siverd, Robert"

Achieving Better Than 1 Minute Accuracy in the Heliocentric and Barycentric Julian Dates by Eastman, Jason, Siverd, Robert, Gaudi, B. Scott

“…As the quality and quantity of astrophysical data continue to improve, the precision with which certain astrophysical events can be timed becomes limited not…”
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The Hawaii Infrared Parallax Program. V. New T-dwarf Members and Candidate Members of Nearby Young Moving Groups by Zhang 张周, Zhoujian 健, Liu, Michael C., Best, William M. J., Dupuy, Trent J., Siverd, Robert J.

“…Abstract We present a search for new planetary-mass members of nearby young moving groups (YMGs) using astrometry for 694 T and Y dwarfs, including 447 objects…”
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The Hawaii Infrared Parallax Program. VI. The Fundamental Properties of 1000+ Ultracool Dwarfs and Planetary-mass Objects Using Optical to Mid-infrared Spectral Energy Distributions and Comparison to BT-Settl and ATMO 2020 Model Atmospheres by Sanghi, Aniket, Liu, Michael C., Best, William M. J., Dupuy, Trent J., Siverd, Robert J., Zhang, Zhoujian, Hurt, Spencer A., Magnier, Eugene A., Aller, Kimberly M., Deacon, Niall R.

“…Abstract We derive the bolometric luminosities ( L bol ) of 865 field-age and 189 young ultracool dwarfs (spectral types M6–T9, including 40 new discoveries…”
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A giant planet undergoing extreme-ultraviolet irradiation by its hot massive-star host by Gaudi, B. Scott, Stassun, Keivan G., Collins, Karen A., Beatty, Thomas G., Zhou, George, Latham, David W., Bieryla, Allyson, Eastman, Jason D., Siverd, Robert J., Crepp, Justin R., Gonzales, Erica J., Stevens, Daniel J., Buchhave, Lars A., Pepper, Joshua, Johnson, Marshall C., Colon, Knicole D., Jensen, Eric L. N., Rodriguez, Joseph E., Bozza, Valerio, Novati, Sebastiano Calchi, D’Ago, Giuseppe, Dumont, Mary T., Ellis, Tyler, Gaillard, Clement, Jang-Condell, Hannah, Kasper, David H., Fukui, Akihiko, Gregorio, Joao, Ito, Ayaka, Kielkopf, John F., Manner, Mark, Matt, Kyle, Narita, Norio, Oberst, Thomas E., Reed, Phillip A., Scarpetta, Gaetano, Stephens, Denice C., Yeigh, Rex R., Zambelli, Roberto, Fulton, B. J., Howard, Andrew W., James, David J., Penny, Matthew, Bayliss, Daniel, Curtis, Ivan A., DePoy, D. L., Esquerdo, Gilbert A., Gould, Andrew, Joner, Michael D., Kuhn, Rudolf B., Labadie-Bartz, Jonathan, Lund, Michael B., Marshall, Jennifer L., McLeod, Kim K., Pogge, Richard W., Relles, Howard, Stockdale, Christopher, Tan, T. G., Trueblood, Mark, Trueblood, Patricia

“…The giant planet KELT-9b has a dayside temperature of about 4,600 K, which is sufficiently high to dissociate molecules and to evaporate its atmosphere, owing…”
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Main-belt and Trojan asteroid phase curves from the ATLAS survey by Robinson, James E, Fitzsimmons, Alan, Young, David R, Bannister, Michele, Denneau, Larry, Erasmus, Nicolas, Lawrence, Amanda, Siverd, Robert J, Tonry, John

“…ABSTRACT Sparse and serendipitous asteroid photometry obtained by wide field surveys such as the Asteroid Terrestrial-impact Last Alert System (ATLAS) is a…”
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KELT-1b: A STRONGLY IRRADIATED, HIGHLY INFLATED, SHORT PERIOD, 27 JUPITER-MASS COMPANION TRANSITING A MID-F STAR by SIVERD, ROBERT J, Beatty, Thomas G, Pepper, Joshua, Eastman, Jason D, Collins, Karen, BIERYLA, ALLYSON, Latham, David W, Buchhave, Lars A, Jensen, Eric L N, CREPP, JUSTIN R

“…We present the discovery of KELT-1b, the first transiting low-mass companion from the wide-field Kilodegree Extremely Little Telescope-North (KELT-North)…”
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Short-term variability and mass loss in Be stars – VI. Frequency groups in γ Cas detected by TESS by Labadie-Bartz, Jonathan, Baade, Dietrich, Carciofi, Alex C, Rubio, Amanda, Rivinius, Thomas, Borre, Camilla C, Martayan, Christophe, Siverd, Robert J

“…ABSTRACT In photometry of γ Cas (B0.5 IVe) from the Solar Mass Ejection Imager (SMEI) and the BRIght Target Explorer (BRITE)-Constellation satellites,…”
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OBSERVATIONS OF THE M82 SN 2014J WITH THE KILODEGREE EXTREMELY LITTLE TELESCOPE by Siverd, Robert J, Goobar, Ariel, Stassun, Keivan G, Pepper, Joshua

“…We report observations of the bright M82 supernova 2014J serendipitously obtained with the Kilodegree Extremely Little Telescope (KELT). The supernova (SN) was…”
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The Remarkable Be+sdOB Binary HD 55606. I. Orbital and Stellar Parameters by Chojnowski, S. Drew, Labadie-Bartz, Jonathan, Rivinius, Thomas, Gies, Douglas, Panoglou, Despina, Fernandes, Marcelo Borges, Wisniewski, John P., Whelan, David G., Mennickent, Ronald E., McMillan, Russet, Dembicky, Jack M., Gray, Candace, Rudyk, Ted, Stringfellow, Guy S., Lester, Kathryn, Hasselquist, Sten, Zharikov, Sergey, Levenhagen, Ronaldo, Souza, Tiago, Leister, Nelson, Stassun, Keivan, Siverd, Robert J., Majewski, Steven R.

“…Abstract Prompted by peculiar spectroscopic variability observed in SDSS/APOGEE H -band spectra, we monitored the Be star HD 55606 using optical spectroscopy…”
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Identification of Young Stellar Variables with KELT for K2. I. Taurus Dippers and Rotators by Rodriguez, Joseph E., Ansdell, Megan, Oelkers, Ryan J., Cargile, Phillip A., Gaidos, Eric, Cody, Ann Marie, Stevens, Daniel J., Somers, Garrett, James, David, Beatty, Thomas G., Siverd, Robert J., Lund, Michael B., Kuhn, Rudolf B., Gaudi, B. Scott, Pepper, Joshua, Stassun, Keivan G.

“…One of the most well-studied young stellar associations, Taurus-Auriga, was observed by the extended Kepler mission, K2, in the spring of 2017. K2 Campaign 13…”
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The Architecture of the GW Ori Young Triple-star System and Its Disk: Dynamical Masses, Mutual Inclinations, and Recurrent Eclipses by Czekala, Ian, Andrews, Sean M., Torres, Guillermo, Rodriguez, Joseph E., Jensen, Eric L. N., Stassun, Keivan G., Latham, David W., Wilner, David J., Gully-Santiago, Michael A., Grankin, Konstantin N., Lund, Michael B., Kuhn, Rudolf B., Stevens, Daniel J., Siverd, Robert J., James, David, Gaudi, B. Scott, Shappee, Benjamin J., Holoien, Thomas W.-S.

“…We present spatially and spectrally resolved Atacama Large Millimeter/submillimeter Array (ALMA) observations of gas and dust orbiting the pre-main-sequence…”
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KELT-10b: the first transiting exoplanet from the KELT-South survey – a hot sub-Jupiter transiting a V = 10.7 early G-star by Kuhn, Rudolf B., Rodriguez, Joseph E., Collins, Karen A., Lund, Michael B., Siverd, Robert J., Colón, Knicole D., Pepper, Joshua, Stassun, Keivan G., Cargile, Phillip A., James, David J., Penev, Kaloyan, Zhou, George, Bayliss, Daniel, Tan, T. G., Curtis, Ivan A., Udry, Stephane, Segransan, Damien, Mawet, Dimitri, Dhital, Saurav, Soutter, Jack, Hart, Rhodes, Carter, Brad, Gaudi, B. Scott, Myers, Gordon, Beatty, Thomas G., Eastman, Jason D., Reichart, Daniel E., Haislip, Joshua B., Kielkopf, John, Bieryla, Allyson, Latham, David W., Jensen, Eric L. N., Oberst, Thomas E., Stevens, Daniel J.

“…We report the discovery of KELT-10b, the first transiting exoplanet discovered using the KELT-South telescope. KELT-10b is a highly inflated sub-Jupiter mass…”
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SPITZER AND z ′ SECONDARY ECLIPSE OBSERVATIONS OF THE HIGHLY IRRADIATED TRANSITING BROWN DWARF KELT-1b by Beatty, Thomas G, Collins, Karen A, tney, Jonathan, Knutson, Heather, Gaudi, B Scott, Bruns, Jacob M, Showman, Adam P, Eastman, Jason, Pepper, Joshua, SIVERD, ROBERT J, Stassun, Keivan G, Kielkopf, John F

“…We present secondary eclipse observations of the highly irradiated transiting brown dwarf KELT-1b. Using the Spitzer Space Telescope, we measure secondary…”
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KELT-8b: A HIGHLY INFLATED TRANSITING HOT JUPITER AND A NEW TECHNIQUE FOR EXTRACTING HIGH-PRECISION RADIAL VELOCITIES FROM NOISY SPECTRA by Fulton, Benjamin J., Collins, Karen A., Gaudi, B. Scott, Stassun, Keivan G., Pepper, Joshua, Beatty, Thomas G., Siverd, Robert J., Penev, Kaloyan, Howard, Andrew W., Baranec, Christoph, Corfini, Giorgio, Eastman, Jason D., Gregorio, Joao, Law, Nicholas M., Lund, Michael B., Oberst, Thomas E., Penny, Matthew T., Riddle, Reed, Rodriguez, Joseph E., Stevens, Daniel J., Zambelli, Roberto, Ziegler, Carl, Bieryla, Allyson, D'Ago, Giuseppe, DePoy, Darren L., Jensen, Eric L. N., Kielkopf, John F., Latham, David W., Manner, Mark, Marshall, Jennifer, McLeod, Kim K., Reed, Phillip A.

“…ABSTRACT We announce the discovery of a highly inflated transiting hot Jupiter by the KELT-North survey. A global analysis including constraints from…”
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An extreme-mass ratio, short-period eclipsing binary consisting of a B dwarf primary and a pre-main-sequence M star companion discovered by KELT by Stevens, Daniel J, Zhou, George, Johnson, Marshall C, Rizzuto, Aaron C, Rodriguez, Joseph E, Bieryla, Allyson, Collins, Karen A, Villanueva, Steven, Wright, Jason T, Gaudi, B Scott, Latham, David W, Beatty, Thomas G, Lund, Michael B, Siverd, Robert J, Kraus, Adam L, Wachiraphan, Patcharapol, Berlind, Perry, Calkins, Michael L, Esquerdo, Gilbert A, Kielkopf, John F, Kuhn, Rudolf B, Manner, Mark, Pepper, Joshua, Stassun, Keivan G

“…ABSTRACT We present the discovery of KELT J072709 + 072007 (HD 58730), a very low mass ratio (q ≡ M2/M1 ≈ 0.07) eclipsing binary (EB) identified by the…”
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Absolute Dimensions of the Eccentric Eclipsing Binary V541 Cygni by Torres, Guillermo, McGruder, Chima D., Siverd, Robert J., Rodriguez, Joseph E., Pepper, Joshua, Stevens, Daniel J., Stassun, Keivan G., Lund, Michael B., James, David

“…We report new spectroscopic and photometric observations of the main-sequence, detached, eccentric, double-lined eclipsing binary V541 Cyg (P = 15.34 days, e =…”
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The transiting dust clumps in the evolved disc of the Sun-like UXor RZ Psc by Kennedy, Grant M., Kenworthy, Matthew A., Pepper, Joshua, Rodriguez, Joseph E., Siverd, Robert J., Stassun, Keivan G., Wyatt, Mark C.

“…RZ Psc is a young Sun-like star, long associated with the UXor class of variable stars, which is partially or wholly dimmed by dust clumps several times each…”
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A Bright Short Period M-M Eclipsing Binary from the KELT Survey: Magnetic Activity and the Mass-Radius Relationship for M Dwarfs by Lubin, Jack B., Rodriguez, Joseph E., Zhou, George, Conroy, Kyle E., Stassun, Keivan G., Collins, Karen, Stevens, Daniel J., Labadie-Bartz, Jonathan, Stockdale, Christopher, Myers, Gordon, Colón, Knicole D., Bento, Joao, Kehusmaa, Petri, Petrucci, Romina, Jofré, Emiliano, Quinn, Samuel N., Lund, Michael B., Kuhn, Rudolf B., Siverd, Robert J., Beatty, Thomas G., Harlingten, Caisey, Pepper, Joshua, Gaudi, B. Scott, James, David, Jensen, Eric L. N., Reichart, Daniel, Kedziora-Chudczer, Lucyna, Bailey, Jeremy, Melville, Graeme

“…We report the discovery of KELT J041621-620046, a moderately bright (J ∼ 10.2) M-dwarf eclipsing binary system at a distance of 39 3 pc. KELT J041621-620046…”
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KELT-3b: A HOT JUPITER TRANSITING A V = 9.8 LATE-F STAR by Pepper, Joshua, SIVERD, ROBERT J, Beatty, Thomas G, Gaudi, B Scott, Stassun, Keivan G, Eastman, Jason, Collins, Karen, Latham, David W, BIERYLA, ALLYSON, Buchhave, Lars A

“…We report the discovery of KELT-3b, a moderately inflated transiting hot Jupiter with a mass of 1.477 super(+0.066) sub(-0.067) M sub(J), radius of 1.345 + or…”
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The Mysterious Dimmings of the T Tauri Star V1334 Tau by Rodriguez, Joseph E., Zhou, George, Cargile, Phillip A., Stevens, Daniel J., Osborn, Hugh P., Shappee, Benjamin J., Reed, Phillip A., Lund, Michael B., Relles, Howard M., Latham, David W., Eastman, Jason, Stassun, Keivan G., Bieryla, Allyson, Esquerdo, Gilbert A., Berlind, Perry, Calkins, Michael L., Vanderburg, Andrew, Gaidos, Eric, Ansdell, Megan, Siverd, Robert J., Beatty, Thomas G., Kochanek, Christopher S., Pepper, Joshua, Gaudi, B. Scott, West, Richard G., Pollacco, Don, James, David, Kuhn, Rudolf B., Stanek, Krzysztof Z., Holoien, Thomas W.-S., Prieto, Jose L., Johnson, Samson A., Sergi, Anthony, McCrady, Nate, Johnson, John A., Wright, Jason T., Wittenmyer, Robert A., Horner, Jonathan

“…We present the discovery of two extended ∼0.12 mag dimming events of the weak-lined T Tauri star V1334. The start of the first event was missed but came to an…”
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