A spin-down clock for cool stars from observations of a 2.5-billion-year-old cluster von Meibom, Søren, Barnes, Sydney A., Platais, Imants, Gilliland, Ronald L., Latham, David W., Mathieu, Robert D.

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Erratum: “Faint Stars in a Faint Galaxy. II. The Low-mass Stellar Initial Mass Function of the Boötes I Ultrafaint Dwarf Spheroidal Galaxy” (2022, ApJ, 939, 38) von Filion, Carrie, Platais, Imants, Wyse, Rosemary F. G., Kozhurina-Platais, Vera

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ROTATION PERIODS FOR COOL STARS IN THE 4 Gyr OLD OPEN CLUSTER M67, THE SOLAR-STELLAR CONNECTION, AND THE APPLICABILITY OF GYROCHRONOLOGY TO AT LEAST SOLAR AGE von Barnes, Sydney A., Weingrill, Joerg, Fritzewski, Dario, Strassmeier, Klaus G., Platais, Imants

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Discovery of Astrometric Accelerations by Dark Companions in the Globular Cluster ω Centauri von Platais, Imants, Sahlmann, Johannes, Girardi, Léo, Kozhurina-Platais, Vera, Kamann, Sebastian, Pourbaix, Dimitri, Wragg, Florence, Lemson, Gerard, Mitschang, Arik

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Faint Stars in a Faint Galaxy. II. The Low-mass Stellar Initial Mass Function of the Boötes I Ultrafaint Dwarf Spheroidal Galaxy von Filion, Carrie, Platais, Imants, Wyse, Rosemary F. G., Kozhurina-Platais, Vera

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HST Proper Motion of Andromeda III. Another Satellite Coorbiting the M31 Satellite Plane von Casetti-Dinescu, Dana I., Pawlowski, Marcel S., Girard, Terrence M., Kanehisa, Kosuke Jamie, Petroski, Alexander, Martone, Max, Kozhurina-Platais, Vera, Platais, Imants

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Hubble Space Telescope Astrometry in the Orion Nebula Cluster: Census of Low-mass Runaways von Platais, Imants, Robberto, Massimo, Bellini, Andrea, Kozhurina-Platais, Vera, Gennaro, Mario, Strampelli, Giovanni, Hillenbrand, Lynne A., de Mink, Selma E., Soderblom, David R.

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Kinematics of Metal-poor Stars in the Galaxy. II. Proper Motions for a Large Nonkinematically Selected Sample von Beers, Timothy C, Chiba, Masashi, Yoshii, Yuzuru, Platais, Imants, Hanson, Robert B, Fuchs, Burkhard, Rossi, Silvia

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EXTENDED MAIN SEQUENCE TURNOFFS IN INTERMEDIATE-AGE STAR CLUSTERS: A CORRELATION BETWEEN TURNOFF WIDTH AND EARLY ESCAPE VELOCITY von GOUDFROOIJ, PAUL, Girardi, Leo, KOZHURINA-PLATAIS, VERA, Kalirai, Jason S, PLATAIS, IMANTS, PUZIA, THOMAS H, Correnti, Matteo, Bressan, Alessandro, Chandar, Rupali, Kerber, Leandro, Marigo, Paola, RUBELE, STEFANO

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A Search for Star Clusters from the Hipparcos Data von Platais, Imants, Kozhurina-Platais, Vera, van Leeuwen, Floor

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Faint Stars in a Faint Galaxy. I. Ultradeep Photometry of the Boötes I Ultrafaint Dwarf Galaxy von Filion, Carrie, Kozhurina-Platais, Vera, Avila, Roberto J., Platais, Imants, Wyse, Rosemary F. G.

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WIYN Open Cluster Study. LXXXII. Radial-velocity Measurements and Spectroscopic Binary Orbits in the Open Cluster NGC 7789 von Nine, Andrew C., Milliman, Katelyn E., Mathieu, Robert D., Geller, Aaron M., Leiner, Emily M., Platais, Imants, Tofflemire, Benjamin M.

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EXTENDED MAIN SEQUENCE TURNOFFS IN INTERMEDIATE-AGE STAR CLUSTERS: A CORRELATION BETWEEN TURNOFF WIDTH AND EARLY ESCAPE VELOCITY von Goudfrooij, Paul, Girardi, Léo, Kozhurina-Platais, Vera, Kalirai, Jason S., Platais, Imants, Puzia, Thomas H., Correnti, Matteo, Bressan, Alessandro, Chandar, Rupali, Kerber, Leandro, Marigo, Paola, Rubele, Stefano

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A New Absolute Proper Motion Determination of Leo I Using HST/WFPC2 Images and Gaia EDR3 von Casetti-Dinescu, Dana I., Hansen, Caitlin K., Girard, Terrence M., Kozhurina-Platais, Vera, Platais, Imants, Horch, Elliott P.

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A Comprehensive Astrometric Calibration of HST’s WFPC2. I. Distortion Mapping von Casetti-Dinescu, Dana I., Girard, Terrence M., Kozhurina-Platais, Vera, Platais, Imants, Anderson, Jay, Horch, Elliott P.

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WIYN OPEN CLUSTER STUDY. LX. SPECTROSCOPIC BINARY ORBITS IN NGC 6819 von Milliman, Katelyn E., Mathieu, Robert D., Geller, Aaron M., Gosnell, Natalie M., Meibom, Søren, Platais, Imants

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WIYN OPEN CLUSTER STUDY. LX. SPECTROSCOPIC BINARY ORBITS IN NGC 6819 von Milliman, Katelyn E, Mathieu, Robert D, Geller, Aaron M, Gosnell, Natalie M, Meibom, Soren, PLATAIS, IMANTS

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WIYN OPEN CLUSTER STUDY. LIX. RADIAL VELOCITY MEMBERSHIP OF THE EVOLVED POPULATION OF THE OLD OPEN CLUSTER NGC 6791 von TOFFLEMIRE, BENJAMIN M, Gosnell, Natalie M, Mathieu, Robert D, PLATAIS, IMANTS

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A Gaia-PS1-SDSS (GPS1) Proper Motion Catalog Covering 3/4 of the Sky von Tian, Hai-Jun, Gupta, Prashansa, Sesar, Branimir, Rix, Hans-Walter, Martin, Nicolas F., Liu, Chao, Goldman, Bertrand, Platais, Imants, Kudritzki, Rolf-Peter, Waters, Christopher Z.

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A Comprehensive Astrometric Calibration of HST’s WFPC2. I. Distortion Mapping von Casetti-Dinescu, Dana I., Girard, Terrence M., Kozhurina-Platais, Vera, Platais, Imants, Anderson, Jay, Horch, Elliott P.

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