%0 Journal Article %J AJ %D 2021 %T TOI 540 b: A Planet Smaller than Earth Orbiting a Nearby Rapidly Rotating Low-mass Star %A Ment, Kristo %A Irwin, Jonathan %A Charbonneau, David %A Winters, Jennifer G. %A Medina, Amber %A Cloutier, Ryan %A Diaz, Matias R. %A Jenkins, James S. %A Ziegler, Carl %A Law, Nicholas %A Mann, Andrew W. %A Ricker, George %A Vanderspek, Roland %A Latham, David W. %A Seager, Sara %A Winn, Joshua N. %A Jenkins, Jon M. %A Goeke, Robert F. %A Levine, Alan M. %A Rojas-Ayala, Bárbara %A Rowden, Pamela %A Ting, Eric B. %A Twicken, Joseph D. %K 1629 %K 1709 %K 498 %K 511 %K Astrophysics - Earth and Planetary Astrophysics %K exoplanets %K Extrasolar rocky planets %K Stellar rotation %K Transit photometry %B AJ %V 161 %P 23 %G eng %U https://iopscience.iop.org/article/10.3847/1538-3881/abbd91 %N 1 %R 10.3847/1538-3881/abbd91