Home Image Carousel with 4 slides A carousel is a rotating set of images. Use the previous and next buttons to change the displayed slide Slide 1 Slide 2 Slide 3 Slide 4 Astrofest 2024 GALFA-HI survey Astrochemistry in the Savin Lab Previous Next Upcoming Events Colloquium by Jason Glenn Sep 17 Wed Colloquium by Jason Glenn Pupin 1402 4:05 PM - 5:05 PM Event time is displayed in your time zone. Colloquium by Adam Kraus Sep 24 Wed Colloquium by Adam Kraus Pupin 1402 4:05 PM - 5:05 PM Event time is displayed in your time zone. Colloquium by Erin Kara Oct 8 Wed Colloquium by Erin Kara Pupin 1402 4:05 PM - 5:05 PM Event time is displayed in your time zone. More Colloquia More Seminars News June 23, 2025 Columbia Astronomers Celebrate First Look from the Vera Rubin Observatory June 02, 2025 Columbia Astronomy Students Launch STAR Mentoring Program to Empower Local Youth April 11, 2025 New observations upended scientists' standing hypothesis about how a star would engulf a planet, causing its demise More News Featured Publications Electrodynamics and dissipation in the binary magnetosphere of pre-merger neutron stars Jens F. Mahlmann Andrei M. Beloborodov Inferring the density and membership of stellar streams with flexible models: The GD-1 stream in Gaia Data Release 3 Kiyan Tavangar Adrian M. Price-Whelan Estimating uncertainties in the back-mapping of the fast solar wind A. Koukras L. Dolla R. Keppens Exoplanet Occurrence Rate with Age for FGK Stars in Kepler Maryum Sayeed Ruth Angus Travis Berger Yuxi (Lucy) Lu Jessie Christiansen Daniel Foreman-Mackey Melissa Ness Using simulation based inference on tidally perturbed dwarf galaxies: the dynamics of NGC205 Axel Widmark Kathryn V. Johnston AEOS: Transport of Metals from Minihalos following Population III Stellar Feedback Jennifer Mead Kaley Brauer Greg L. Bryan Mordecai-Mark Mac Low Alexander P. Ji John H. Wise Andrew Emerick Eric P. Andersson Anna Frebel Benoit Côté More Publications Big Apple Sky Calendar Date Event Jul 3 Earth at aphelion, greatest distance from the Sun, 1.017 AU (95 million miles) Jul 4 Mercury at easternmost elongation (26 degrees), visible an hour after sunset next to Castor and Pollux, just above the western horizon Jul 10 Full Buck Moon Jul 13 Public Solar observing event with Pioneer Works in Brooklyn, 1-4 pm Jul 24-27 Stellafane Convention, a convention of amateur telescope makers on Breezy Hill in Springfield, Vermont Jul 28 Mars and the crescent Moon make a close approach, visible in the evening Aug 3 The Moon passes very close to the bright red-supergiant star, Antares View Full Calendar
Colloquium by Jason Glenn Sep 17 Wed Colloquium by Jason Glenn Pupin 1402 4:05 PM - 5:05 PM Event time is displayed in your time zone.
Colloquium by Adam Kraus Sep 24 Wed Colloquium by Adam Kraus Pupin 1402 4:05 PM - 5:05 PM Event time is displayed in your time zone.
Colloquium by Erin Kara Oct 8 Wed Colloquium by Erin Kara Pupin 1402 4:05 PM - 5:05 PM Event time is displayed in your time zone.
April 11, 2025 New observations upended scientists' standing hypothesis about how a star would engulf a planet, causing its demise
Electrodynamics and dissipation in the binary magnetosphere of pre-merger neutron stars Jens F. Mahlmann Andrei M. Beloborodov
Inferring the density and membership of stellar streams with flexible models: The GD-1 stream in Gaia Data Release 3 Kiyan Tavangar Adrian M. Price-Whelan
Exoplanet Occurrence Rate with Age for FGK Stars in Kepler Maryum Sayeed Ruth Angus Travis Berger Yuxi (Lucy) Lu Jessie Christiansen Daniel Foreman-Mackey Melissa Ness
Using simulation based inference on tidally perturbed dwarf galaxies: the dynamics of NGC205 Axel Widmark Kathryn V. Johnston
AEOS: Transport of Metals from Minihalos following Population III Stellar Feedback Jennifer Mead Kaley Brauer Greg L. Bryan Mordecai-Mark Mac Low Alexander P. Ji John H. Wise Andrew Emerick Eric P. Andersson Anna Frebel Benoit Côté
