Astronomy & Astrophysics

Astronomy & Astrophysics

Upcoming Events

Black Hole Accretion at the Galactic Center

Pupin 1402

4:05 PM - 5:05 PM

Event time is displayed in your time zone.

Colloquium by Shirley Ho

Pupin 1402

4:05 PM - 5:05 PM

Event time is displayed in your time zone.

Colloquium by Columbia Postdocs

Pupin 1402

4:05 PM - 5:05 PM

Event time is displayed in your time zone.

News

March 02, 2023

Astrophysics undergraduate awarded prestigious Gates Scholarship

February 27, 2023

Is the Universe Asymmetrical?

Postdoc at Columbia may have found a “smoking gun” for new frontiers in physics.

February 23, 2023

Black Hole at Galaxy’s Center Is Much Smaller Than Previously Thought

Featured Publications

Dynamical Data Mining Captures Disc-Halo Couplings that Structure Galaxies

Alexander C Johnson

Michael S Petersen

Kathryn V Johnston

Martin D Weinberg

The Observable Properties of Galaxy Accretion Events in Milky Way-like Galaxies in the FIRE-2 Cosmological Simulations

Daniel Horta Darrington

Emily C Cunningham

Robyn E Sanderson

Kathryn V Johnston

et al

How long do high redshift massive black hole seeds remain outliers in black hole versus host galaxy relations?

Matthew Scoggins

Zoltan Haiman

John H. Wise

Novae in M51: a new, much higher rate from multi-epoch HST data

Shifra Mandel

Mike Shara

David Zurek

Charlie Conroy

Pieter van Dokkum

The Periodic Signals of Nova V1674 Herculis (2021)

J. Patterson

J. Eisenstein

E. de Miguel

M. Epstein-Martin

et al.

Comparing weak lensing peak counts in baryonic correction models to hydrodynamical simulations

Max E. Lee

Tianhuan Lu

Zoltan Haiman

Jia Liu

Ken Osato

If Dark Matter is Fuzzy, the First Stars Form in Massive Pancakes

Mihir Kulkarni

Eli Visbal

Greg L. Bryan

Xinyu Li

Bridging the gap — the disappearance of the intermediate period gap for fully convective stars, uncovered by new ZTF rotation periods

Yuxi(Lucy) Lu

Jason L. Curtis

Ruth Angus

Trevor J. David

Soichiro Hattori

Deriving Instrumental Point Spread Functions from Partially Occulted Images

Stefan J. Hofmeister

Michael Hahn

Daniel Wolf Savin

Migration and heating in the galactic disc from encounters between Sagittarius and the Milky Way

Christopher Carr

Kathryn V Johnston

Chervin F P Laporte

Melissa K Ness

Multiple phase spirals suggest multiple origins in Gaia DR3

Jason A S Hunt

Adrian M Price-Whelan

Kathryn V Johnston

Elsie Darragh-Ford

Comptonization by reconnection plasmoids in black hole coronae II: Electron-ion plasma

Navin Sridhar

Lorenzo Sironi

Andrei Beloborodov

Similarities behind the high- and low-α disc: small intrinsic abundance scatter and migrating stars

Yuxi (Lucy) Lu

Melissa K Ness

Tobias Buck

Joel C Zinn

Kathryn V Johsnton

Reading the CARDs: The Imprint of Accretion History in the Chemical Abundances of the Milky Way's Stellar Halo

Emily C Cunningham

Robyn E Sanderson

Kathryn. V Johnston

Nondh Panithanpaisal

Melissa K Ness

et al.

Snails across Scales: Local and Global Phase-mixing Structures as Probes of the Past and Future Milky Way

Suroor S Gandhi

Kathryn V Johnston

Jason A S Hunt

Adrian M Price-Whelan

Chervin F P Laporte

David W Hogg

More Publications

Big Apple Sky Calendar

Date: Mar 1
Event: Venus passes within a degree of Jupiter, the two most brilliant starlike objects in the sky, low in the southwest, visible soon after sunset.

Date: Mar 7
Event: Full Worm Moon

Date: Mar 20
Event: Vernal equinox, Sun rises exactly in the east, sets exactly in the west, and is in the sky exactly 12 hours

Date: Mar 23-24
Event: The lunar crescent is close to the brilliant Venus, about 40-50 minutes after sunset

View Full Calendar