Alignment of the stellar spin with the orbits of a three-planet systemDOI: info:10.1038/nature11301v. 487449–453
Sanchis-Ojeda, Roberto, Fabrycky, Daniel C., Winn, Joshua N., Barclay, Thomas, Clarke, Bruce D., Ford, Eric B., Fortney, Jonathan J., Geary, John C., Holman, Matthew J., Howard, Andrew W., Jenkins, Jon M., Koch, David, Lissauer, Jack J., Marcy, Geoffrey W., Mullally, Fergal, Ragozzine, Darin, Seader, Shawn E., Still, Martin, and Thompson, Susan E. 2012. "Alignment of the stellar spin with the orbits of a three-planet system." Nature, 487 449–453. https://doi.org/10.1038/nature11301.