Search Results - "Kielkopf, John"

Minerva-Australis. I. Design, Commissioning, and First Photometric Results by Addison, Brett, Wright, Duncan J., Wittenmyer, Robert A., Horner, Jonathan, Mengel, Matthew W., Johns, Daniel, Marti, Connor, Nicholson, Belinda, Soutter, Jack, Bowler, Brendan, Crossfield, Ian, Kane, Stephen R., Kielkopf, John, Plavchan, Peter, Tinney, C. G., Zhang, Hui, Clark, Jake T., Clerte, Mathieu, Eastman, Jason D., Swift, Jon, Bottom, Michael, Muirhead, Philip, McCrady, Nate, Herzig, Erich, Hogstrom, Kristina, Wilson, Maurice, Sliski, David, Johnson, Samson A., Wright, Jason T., Johnson, John Asher, Blake, Cullen, Riddle, Reed, Lin, Brian, Cornachione, Matthew, Bedding, Timothy R., Stello, Dennis, Huber, Daniel, Marsden, Stephen, Carter, Bradley D.

“…The Minerva-Australis telescope array is a facility dedicated to the follow-up, confirmation, characterization, and mass measurement of planets orbiting bright…”
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Observation of a possible superflare on Proxima Centauri by Kielkopf, John F, Hart, Rhodes, Carter, Bradley D, Marsden, Stephen C

“…ABSTRACT We report the observation on ut 2017 July 1 of an unusually powerful flare detected in near-infrared continuum photometry of Proxima Centauri. During…”
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GJ 1252 b: A 1.2 R⊕ Planet Transiting an M3 Dwarf at 20.4 pc by Shporer, Avi, Collins, Karen A., Astudillo-Defru, Nicola, Irwin, Jonathan, Bonfils, Xavier, Collins, Kevin I., Matthews, Elisabeth, Winters, Jennifer G., Anderson, David R., Armstrong, James D., Charbonneau, David, Cloutier, Ryan, Daylan, Tansu, Gan, Tianjun, Günther, Maximilian N., Hellier, Coel, Horne, Keith, Huang, Chelsea X., Jensen, Eric L. N., Kielkopf, John, Palle, Enric, Sefako, Ramotholo, Stassun, Keivan G., Tan, Thiam-Guan, Vanderburg, Andrew, Ricker, George R., Latham, David W., Vanderspek, Roland, Seager, Sara, Winn, Joshua N., Jenkins, Jon M, Colon, Knicole, Dressing, Courtney, Léepine, Sébastien, Muirhead, Philip S., Rose, Mark E., Twicken, Joseph D, Villasenor, Jesus Noel

“…We report the discovery of GJ 1252 b, a planet with a radius of 1.193 ± 0.074 R⊕ and an orbital period of 0.52 days around an M3-type star (0.381 ± 0.019 M⊕,…”
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H–He collision-induced satellite in the Lyman α profile of DBA white dwarf stars by Allard, Nicole F, Kielkopf, John F, Xu, Siyi, Guillon, Grégoire, Mehnen, Bilel, Linguerri, Roberto, Al Mogren, Muneerah Mogren, Hochlaf, Majdi, Hubeny, Ivan

“…ABSTRACT The spectra of helium-dominated white dwarf stars with hydrogen in their atmosphere present a distinctive broad feature centred around 1160 Å in the…”
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GJ 238 b: A 0.57 Earth Radius Planet Orbiting an M2.5 Dwarf Star at 15.2 pc by Tey, Evan, Shporer, Avi, Lin, Zifan, Stassun, Keivan G., Lissauer, Jack J., Hellier, Coel, Collins, Karen A., Collins, Kevin I., Wingham, Geof, Relles, Howard M., Mallia, Franco, Isopi, Giovanni, Kielkopf, John F., Conti, Dennis M., Schwarz, Richard P., Zapparata, Aldo, Giacalone, Steven, Furlan, Elise, Hartman, Zachary D., Howell, Steve B., Scott, Nicholas J., Ziegler, Carl, Briceño, César, Law, Nicholas, Mann, Andrew W., Charbonneau, David, Essack, Zahra, Striegel, Stephanie, Ricker, George R., Vanderspek, Roland, Seager, Sara, Winn, Joshua N., Jenkins, Jon M.

“…Abstract We report the discovery of the transiting planet GJ 238 b, with a radius of 0.566 ± 0.014 R ⊕ (1.064 ± 0.026 times the radius of Mars) and an orbital…”
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The K2 and TESS Synergy. III. Search and Rescue of the Lost Ephemeris for K2's First Planet by Thygesen, Erica, Rodriguez, Joseph E., de Beurs, Zoë L., Vanderburg, Andrew, Livingston, John H., Irwin, Jonathon, Venner, Alexander, Cretignier, Michael, Collins, Karen A., Bieryla, Allyson, Charbonneau, David, Crossfield, Ian J. M., Dumusque, Xavier, Kielkopf, John, Latham, David W., Werner, Michael

“…Abstract K2-2 b/HIP 116454 b, the first exoplanet discovery by K2 during its Two-Wheeled Concept Engineering Test, is a sub-Neptune (2.5 ± 0.1 R ⊕ , 9.7 ± 1.2…”
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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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TOI-1994b: A Low-mass Eccentric Brown Dwarf Transiting A Subgiant Star by Page, Emma, Pepper, Joshua, Wright, Duncan, Rodriguez, Joseph E., Wittenmyer, Robert A., Kane, Stephen R., Addison, Brett, Bedding, Timothy, Bowler, Brendan P., Barclay, Thomas, Collins, Karen A., Evans, Phil, Horner, Jonathan, Jensen, Eric L. N., Johnson, Marshall C., Kielkopf, John, Mireles, Ismael, Plavchan, Peter, Quinn, Samuel N., Seager, S., Shporer, Avi, Stassun, Keivan G., Striegel, Stephanie, Winn, Joshua N., Zhou, George, Ziegler, Carl

“…Abstract We present the discovery of TOI-1994b, a low-mass brown dwarf transiting a hot subgiant star on a moderately eccentric orbit. TOI-1994 has an…”
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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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TOI-2498 b: a hot bloated super-Neptune within the Neptune desert by Frame, Ginger, Armstrong, David J, Cegla, Heather M, Fernández Fernández, Jorge, Osborn, Ares, Adibekyan, Vardan, Collins, Karen A, Delgado Mena, Elisa, Giacalone, Steven, Kielkopf, John F, Santos, Nuno C, Sousa, Sérgio G, Stassun, Keivan G, Ziegler, Carl, Anderson, David R, Barros, Susana C C, Bayliss, Daniel, Briceño, César, Conti, Dennis M, Dressing, Courtney D, Dumusque, Xavier, Figueira, Pedro, Fong, William, Gill, Samuel, Hawthorn, Faith, Jenkins, Jon M, Jensen, Eric L N, Keniger, Marcelo Aron F, Latham, David W, Law, Nicholas, Lissauer, Jack J, Mann, Andrew W, Nielsen, Louise D, Osborn, Hugh, Paegert, Martin, Seager, Sara, Schwarz, Richard P, Shporer, Avi, Srdoc, Gregor, Strøm, Paul A, Winn, Joshua N, Wheatley, Peter J

“…ABSTRACT We present the discovery and confirmation of a transiting hot bloated super-Neptune using photometry from the Transiting Exoplanet Survey Satellite…”
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A young solar twin in the Rosette cluster NGC 2244 line of sight by Huber, Jeremy M, Kielkopf, John F, Mengel, Matthew, Carter, Bradley D, Ferland, Gary J, Clark, Frank O

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Absorption spectra of Na atoms in dense He by Allard, Nicole F., Nakayama, Akira, Spiegelman, Fernand, Kielkopf, John F., Stienkemeier, Frank

“…We present an analysis of Na-He collisional profiles at high density and very low temperature in a unified line shape semi-classical theory which contains the…”
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Validating AU Microscopii d with Transit Timing Variations by Wittrock, Justin M., Plavchan, Peter P., Cale, Bryson L., Barclay, Thomas, Ludwig, Mathis R., Schwarz, Richard P., Mékarnia, Djamel, J. Triaud, Amaury H. M., Abe, Lyu, Suarez, Olga, Guillot, Tristan, Conti, Dennis M., Collins, Karen A., Waite, Ian A., Kielkopf, John F., Collins, Kevin I., Dreizler, Stefan, El Mufti, Mohammed, Feliz, Dax L., Gaidos, Eric, Geneser, Claire S., Horne, Keith D., Kane, Stephen R., Lowrance, Patrick J., Martioli, Eder, Radford, Don J., Reefe, Michael A., Roccatagliata, Veronica, Shporer, Avi, Stassun, Keivan G., Stockdale, Christopher, Tan, Thiam-Guan, Tanner, Angelle M., Vega, Laura D.

“…Abstract AU Mic is a young (22 Myr), nearby exoplanetary system that exhibits excess transit timing variations (TTVs) that cannot be accounted for by the two…”
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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, STREET, Rachel, STASSUN, Keivan G, SCOTT GAUDI, B, BERLIND, Perry, CALKINS, Michael L, DEPOY, D. L, ESQUERDO, Gilbert A, FULTON, Benjamin J, FURESZ, Gábor, GEARY, John C, PEPPER, Joshua, GOULD, Andrew, HEBB, Leslie, KIELKOPF, John F, MARSHALL, Jennifer L, POGGE, Richard, STANEK, K. Z, STEFANIK, Robert P, SZENTGYORGYI, Andrew H, TRUEBLOOD, Mark, TRUEBLOOD, Patricia, EASTMAN, Jason D, STUTZ, Amelia M, VAN SADERS, Jennifer L, COLLINS, Karen, BIERYLA, Allyson, LATHAM, David W, BUCHHAVE, Lars A, JENSEN, Eric L. N, CREPP, Justin R

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Correction to: rrlfe: software for generating and applying metallicity calibrations for RR Lyrae variable stars across a wide range of phases and temperatures

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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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The effect of neutral nonresonant collisions on atomic spectral lines by Allard, Nicole, Kielkopf, John

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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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rrlfe: software for generating and applying metallicity calibrations for RR Lyrae variable stars across a wide range of phases and temperatures by Spalding, Eckhart, Wilhelm, Ronald, De Lee, Nathan, Long, Stacy, Beers, Timothy C, Placco, Vinicius M, Kielkopf, John, Lee, Young Sun, Pepper, Joshua, Carrell, Kenneth

“…ABSTRACT RR Lyrae stars play a central role in tracing phase-space structures within the Milky Way because they are easy to identify, are relatively luminous,…”
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HD 213885b: a transiting 1-d-period super-Earth with an Earth-like composition around a bright ( V  = 7.9) star unveiled by TESS by Espinoza, Néstor, Brahm, Rafael, Henning, Thomas, Jordán, Andrés, Dorn, Caroline, Rojas, Felipe, Sarkis, Paula, Kossakowski, Diana, Schlecker, Martin, Díaz, Matías R, Jenkins, James S, Aguilera-Gomez, Claudia, Jenkins, Jon M, Twicken, Joseph D, Collins, Karen A, Lissauer, Jack, Armstrong, David J, Adibekyan, Vardan, Barrado, David, Barros, Susana C C, Battley, Matthew, Bayliss, Daniel, Bouchy, François, Bryant, Edward M, Cooke, Benjamin F, Demangeon, Olivier D S, Dumusque, Xavier, Figueira, Pedro, Giles, Helen, Lillo-Box, Jorge, Lovis, Christophe, Nielsen, Louise D, Pepe, Francesco, Pollacco, Don, Santos, Nuno C, Sousa, Sergio G, Udry, Stéphane, Wheatley, Peter J, Turner, Oliver, Marmier, Maxime, Ségransan, Damien, Ricker, George, Latham, David, Seager, Sara, Winn, Joshua N, Kielkopf, John F, Hart, Rhodes, Wingham, Geof, Jensen, Eric L N, Hełminiak, Krzysztof G, Tokovinin, A, Briceño, C, Ziegler, Carl, Law, Nicholas M, Mann, Andrew W, Daylan, Tansu, Doty, John P, Guerrero, Natalia, Boyd, Patricia, Crossfield, Ian, Morris, Robert L, Henze, Christopher E, Chacon, Aaron Dean

“…ABSTRACT We report the discovery of the 1.008-d, ultrashort period (USP) super-Earth HD 213885b (TOI-141b) orbiting the bright (V = 7.9) star HD 213885…”
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