@article {2019ApJ...875L...7D, title = {TESS Delivers Its First Earth-sized Planet and a Warm Sub-Neptune}, journal = {\apjl}, volume = {875}, number = {2}, year = {2019}, pages = {L7}, keywords = {Astrophysics - Earth and Planetary Astrophysics, Astrophysics - Solar and Stellar Astrophysics, Planetary systems, planets and satellites: detection, stars: individual: HD 21749, TIC 279741379}, doi = {10.3847/2041-8213/ab12ed}, author = {Dragomir, Diana and Teske, Johanna and G{\"u}nther, Maximilian N. and S{\'e}gransan, Damien and Burt, Jennifer A. and Huang, Chelsea X. and Vanderburg, Andrew and Matthews, Elisabeth and Dumusque, Xavier and Stassun, Keivan G. and Pepper, Joshua and Ricker, George R. and Vanderspek, Roland and Latham, David W. and Seager, Sara and Winn, Joshua N. and Jenkins, Jon M. and Beatty, Thomas and Bouchy, Fran{\c c}ois and Brown, Timothy M. and Butler, R. Paul and Ciardi, David R. and Crane, Jeffrey D. and Eastman, Jason D. and Fossati, Luca and Francis, Jim and Fulton, Benjamin J. and Gaudi, B. Scott and Goeke, Robert F. and James, David and Klaus, Todd C. and Kuhn, Rudolf B. and Lovis, Christophe and Lund, Michael B. and McDermott, Scott and Paegert, Martin and Pepe, Francesco and Rodriguez, Joseph E. and Sha, Lizhou and Shectman, Stephen A. and Shporer, Avi and Siverd, Robert J. and Garcia Soto, Aylin and Stevens, Daniel J. and Twicken, Joseph D. and Udry, St{\'e}phane and Villanueva, Steven, Jr. and Wang, Sharon X. and Wohler, Bill and Yao, Xinyu and Zhan, Zhuchang} }