KELT-21b: A Hot Jupiter Transiting the Rapidly-Rotating Metal-Poor Late-A Primary of a Likely Hierarchical Triple System

Autor: Johnson, Marshall C., Rodriguez, Joseph E., Zhou, George, Gonzales, Erica J., Cargile, Phillip A., Crepp, Justin R., Penev, Kaloyan, Stassun, Keivan G., Gaudi, B. Scott, Colón, Knicole D., Stevens, Daniel J., Strassmeier, Klaus G., Ilyin, Ilya, Collins, Karen A., Kielkopf, John F., Oberst, Thomas E., Maritch, Luke, Reed, Phillip A., Gregorio, Joao, Bozza, Valerio, Novati, Sebastiano Calchi, D'Ago, Giuseppe, Scarpetta, Gaetano, Zambelli, Roberto, Latham, David W., Bieryla, Allyson, Cochran, William D., Endl, Michael, Tayar, Jamie, Serenelli, Aldo, Aguirre, Victor Silva, Clarke, Seth P., Martinez, Maria, Spencer, Michelle, Trump, Jason, Joner, Michael D., Bugg, Adam G., Hintz, Eric G., Stephens, Denise C., Arredondo, Anicia, Benzaid, Anissa, Yazdi, Sormeh, McLeod, Kim K., Jensen, Eric L. N., Hancock, Daniel A., Sorber, Rebecca L., Kasper, David H., Jang-Condell, Hannah, Beatty, Thomas G., Carroll, Thorsten, Eastman, Jason, James, David, Kuhn, Rudolf B., Labadie-Bartz, Jonathan, Lund, Michael B., Mallonn, Matthias, Pepper, Joshua, Siverd, Robert J., Yao, Xinyu, Cohen, David H., Curtis, Ivan A., DePoy, D. L., Fulton, Benjamin J., Penny, Matthew T., Relles, Howard, Stockdale, Christopher, Tan, Thiam-Guan, Villanueva Jr, Steven

We present the discovery of KELT-21b, a hot Jupiter transiting the $V=10.5$ A8V star HD 332124. The planet has an orbital period of $P=3.6127647\pm0.0000033$ days and a radius of $1.586_{-0.040}^{+0.039}$ $R_J$. We set an upper limit on the planetary

Externí odkaz: http://arxiv.org/abs/1712.03241

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