When Do Stalled Stars Resume Spinning Down? Advancing Gyrochronology with Ruprecht 147

by Curtis, Jason Lee, Agüeros, Marcel A., Matt, Sean P., Covey, Kevin R., Douglas, Stephanie T., Angus, Ruth, Saar, Steven H., Cody, Ann Marie, Vanderburg, Andrew, Law, Nicholas M., Kraus, Adam L., Latham, David W., Baranec, Christoph, Riddle, Reed, Ziegler, Carl, Lund, Mikkel N., Torres, Guillermo, Meibom, Søren, Aguirre, Victor Silva, Wright, Jason T.
Published in The Astrophysical journal

Stars with Photometrically Young Gaia Luminosities Around the Solar System (SPYGLASS). I. Mapping Young Stellar Structures and Their Star Formation Histories

by Kerr, Ronan M. P., Rizzuto, Aaron C., Kraus, Adam L., Offner, Stella S. R.
Published in The Astrophysical journal

Untangling the Galaxy. II. Structure within 3 kpc

by Kounkel, Marina, Covey, Kevin, Stassun, Keivan G.
Published in The Astronomical journal

Beyond Spectroscopy. I. Metallicities, Distances, and Age Estimates for Over 20 Million Stars from SMSS DR2 and Gaia EDR3

by Huang, Yang, Beers, Timothy C., Wolf, Christian, Lee, Young Sun, Onken, Christopher A., Yuan, Haibo, Shank, Derek, Zhang, Huawei, Wang, Chun, Shi, Jianrong, Fan, Zhou
Published in The Astrophysical journal

Relations of Rotation and Chromospheric Activity to Stellar Age for FGK Dwarfs from Kepler and LAMOST

by Ye, Lifei, Bi, Shaolan, Zhang, Jinghua, Sun, Tiancheng, Liu, Long, Ge, Zhishuai, Tanda, Li, Zhang, Xianfei, Chen, Xunzhou, Li, Yaguang, Zhou, Jianzhao, Xiang, Maosheng
Published in The Astrophysical journal. Supplement series

Timing the Early Assembly of the Milky Way with the H3 Survey

by Bonaca, Ana, Conroy, Charlie, Cargile, Phillip A., Naidu, Rohan P., Johnson, Benjamin D., Zaritsky, Dennis, Ting, Yuan-Sen, Caldwell, Nelson, Han, Jiwon Jesse, van Dokkum, Pieter
Published in Astrophysical journal. Letters

Chemical Evolution in the Milky Way: Rotation-based Ages for APOGEE-Kepler Cool Dwarf Stars

by Claytor, Zachary R., Saders, Jennifer L. van, Santos, Ângela R. G., García, Rafael A., Mathur, Savita, Tayar, Jamie, Pinsonneault, Marc H., Shetrone, Matthew
Published in The Astrophysical journal

Gyro-kinematic Ages for around 30,000 Kepler Stars

by Lu, Yuxi (Lucy), Angus, Ruth, Curtis, Jason L., David, Trevor J., Kiman, Rocio
Published in The Astronomical journal

X-shooter Spectroscopy and HST Imaging of 15 Massive Quiescent Galaxies at z 2

by Stockmann, Mikkel, Toft, Sune, Gallazzi, Anna, Zibetti, Stefano, Conselice, Christopher J., Margalef-Bentabol, Berta, Zabl, Johannes, Jørgensen, Inger, Magdis, Georgios E., Gómez-Guijarro, Carlos, Valentino, Francesco M., Brammer, Gabriel B., Ceverino, Daniel, Cortzen, Isabella, Davidzon, Iary, Demarco, Richardo, Faisst, Andreas, Hirschmann, Michaela, Krogager, Jens-Kristian, Lagos, Claudia D., Man, Allison W. S., Mundy, Carl J., Peng, Yingjie, Selsing, Jonatan, Steinhardt, Charles L., Whitaker, Kathrine E.
Published in The Astrophysical journal

Planets Across Space and Time (PAST). III. Morphology of the Planetary Radius Valley as a Function of Stellar Age and Metallicity in the Galactic Context Revealed by the LAMOST-Gai...

by Chen, Di-Chang, Xie, Ji-Wei, Zhou, Ji-Lin, Yang, Jia-Yi, Dong, Subo, Zhu, Zi, Zheng, Zheng, Liu, Chao, Zong, Weikai, Luo, Ali
Published in The Astronomical journal

The APO-K2 Catalog. II. Accurate Stellar Ages for Red Giant Branch Stars across the Milky Way

by Warfield, Jack T, Zinn, Joel C, Schonhut-Stasik, Jessica, Johnson, James W, Pinsonneault, Marc H, Johnson, Jennifer A, Stello, Dennis, Beaton, Rachael L, Elsworth, Yvonne, García, Rafael A, Mathur, Savita, Mosser, Benoît, Serenelli, Aldo, Tayar, Jamie
Published in The Astronomical journal

In This Day and Age: An Empirical Gyrochronology Relation for Partially and Fully Convective Single Field Stars

by Yuxi(Lucy) Lu, Angus, Ruth, Foreman-Mackey, Daniel, Hattori, Soichiro
Published in The Astronomical journal

Three-dimensional Simulations of Massive Stars. II. Age Dependence

by Vanon, R., Edelmann, P. V. F., Ratnasingam, R. P., Varghese, A., Rogers, T. M.
Published in The Astrophysical journal

Exploring the Stellar Age Distribution of the Milky Way Bulge Using APOGEE

by Hasselquist, Sten, Zasowski, Gail, Feuillet, Diane K., Schultheis, Mathias, Nataf, David M., Anguiano, Borja, Beaton, Rachael L., Beers, Timothy C., Cohen, Roger E., Cunha, Katia, Fernández-Trincado, José G., García-Hernández, D. A., Geisler, Doug, Holtzman, Jon A., Johnson, Jennifer, Lane, Richard R., Majewski, Steven R., Bidin, Christian Moni, Nitschelm, Christian, Roman-Lopes, Alexandre, Schiavon, Ricardo, Smith, Verne V., Sobeck, Jennifer
Published in The Astrophysical journal

The Empirical Limits of Gyrochronology

by Bouma, Luke G., Palumbo, Elsa K., Hillenbrand, Lynne A.
Published in Astrophysical journal. Letters

Testing White Dwarf Age Estimates Using Wide Double White Dwarf Binaries from Gaia EDR3

by Heintz, Tyler M., Hermes, J. J., El-Badry, Kareem, Walsh, Charlie, van Saders, Jennifer L., Fields, C. E., Koester, Detlev
Published in The Astrophysical journal

TOI-503: The First Known Brown-dwarf Am-star Binary from the TESS Mission

by Subjak, Jan, Sharma, Rishikesh, Carmichael, Theron W., Johnson, Marshall C., Gonzales, Erica J., Matthews, Elisabeth, Boffin, Henri M. J., Brahm, Rafael, Chaturvedi, Priyanka, Chakraborty, Abhijit, Ciardi, David R., Collins, Karen A., Esposito, Massimiliano, Fridlund, Malcolm, Gan, Tianjun, Gandolfi, Davide, García, Rafael A., Guenther, Eike, Hatzes, Artie, Latham, David W., Mathis, Stéphane, Mathur, Savita, Persson, Carina M., Relles, Howard M., Schlieder, Joshua E, Barclay, Thomas, Dressing, Courtney D., Crossfield, Ian, Howard, Andrew W., Rodler, Florian, Zhou, George, Quinn, Samuel N., Esquerdo, Gilbert A., Calkins, Michael L., Berlind, Perry, Stassun, Keivan G., Blažek, Martin, Skarka, Marek, Spoková, Magdalena, Zák, Jirí, Albrecht, Simon, Sobrino, Roi Alonso, Beck, Paul, Cabrera, Juan, Carleo, Ilaria, Cochran, William D., Csizmadia, Szilard, Dai, Fei, Deeg, Hans J., Leon, Jerome P. de, Eigmüller, Philipp, Endl, Michael, Erikson, Anders, Fukui, Akihiko, Georgieva, Iskra, González-Cuesta, Lucía, Grziwa, Sascha, Hidalgo, Diego, Hirano, Teruyuki, Hjorth, Maria, Knudstrup, Emil, Korth, Judith, Lam, Kristine W. F., Livingston, John H., Lund, Mikkel N., Luque, Rafael, Rodríguez, Pilar Montanes, Murgas, Felipe, Narita, Norio, Nespral, David, Niraula, Prajwal, Nowak, Grzegorz, Pallé, Enric, Pätzold, Martin, Prieto-Arranz, Jorge, Rauer, Heike, Redfield, Seth, Ribas, Ignasi, Smith, Alexis M. S., Eylen, Vincent Van, Kabáth, Petr
Published in The Astronomical journal

TESS Asteroseismology of α Mensae: Benchmark Ages for a G7 Dwarf and Its M Dwarf Companion

by Chontos, Ashley, Huber, Daniel, Berger, Travis A., Kjeldsen, Hans, Serenelli, Aldo M., Silva Aguirre, Victor, Ball, Warrick H., Basu, Sarbani, Bedding, Timothy R., Chaplin, William J., Claytor, Zachary R., Corsaro, Enrico, Garcia, Rafael A., Howell, Steve B., Lundkvist, Mia S., Mathur, Savita, Metcalfe, Travis S., Nielsen, Martin B., Mian Joel Ong, Jia, Çelik Orhan, Zeynep, Örtel, Sibel, Salama, Maissa, Stassun, Keivan G., Townsend, R. H. D., van Saders, Jennifer L., Winther, Mark, Yildiz, Mutlu, Butler, R. Paul, Tinney, C. G., Wittenmyer, Robert A.
Published in The Astrophysical journal

A Search for Stellar Siblings of the ∼200 Myr TOI-251 b Planetary System

by Sun, Qinghui, Wang, Sharon Xuesong, Mann, Andrew W., Tofflemire, Benjamin M., Kraus, Adam L., Gan, Tianjun, Barber, Madyson G.
Published in The Astrophysical journal

Using the Gaia Excess Uncertainty as a Proxy for Stellar Variability and Age

by Barber, Madyson G., Mann, Andrew W.
Published in The Astrophysical journal