D I R A C I n s t i t u t e
Data Intensive Research in Astrophysics and Cosmology at the University of Washington
Category: Talks & News
DIRAC & Astronomy on Tap Seattle Present: ASTRONOMY AT HOME
Streaming from DIRAC YouTube channel https://dirac.us/yt
Read More2020-5-14 Colloquium: Abigail Stevens
When: Thursday, May 14th, 2020 @ 3:30pm Where: via ZOOM Meeting PW: 505387 Meeting Link: https://washington.zoom.us/j/98852018851?pwd=OG8zK0s4ZlBLeXhYZGNjZE84SkNaQT09 Meeting ID: 988 5201 8851 Mapping Matter in Strong Gravity: Spectral-Timing of Black Holes and Neutron Stars One of the best laboratories to study strong-field gravity is the…
Read MorePhotometric Redshifts with the LSST II: The Impact of Near-Infrared and Near-Ultraviolet Photometry
Published paper includes contribution from DIRAC Researchers: Graham Melissa, Connolly Andrew, Morrison Christopher B., Ivezić Željko, Daniel Scott, Jones R. Lynne, Jurić Mario, Yoachim Peter, Bryce Kalmbach J. Published Date: April 2020. Abstract Accurate photometric redshift (photo-zz) estimates are essential…
Read MorePhotometric Biases in Modern Surveys
Dr. Stephen Portillo, DIRAC Postdoctoral Fellow, coauthored paper “Photometric Biases in Modern Surveys” published in March 2020. Photometric Biases in Modern Surveys Abstract Many surveys use maximum-likelihood (ML) methods to fit models when extracting photometry from images. We show that…
Read More2020-3-09 Seminar: Angus Wright
When: CANCELLED Monday, March 9th, 2020 @ 12:30pm Where: PAB, 6th Floor, eScience Studio, Seminar Rm. Optimising Direct Redshift Calibration for Tomographic Cosmic Shear Comparisons between cosmological parameters from tomographic cosmic shear measurements and the cosmic microwave background reveal some tension…
Read MoreOrbital Dynamics of 2020 AV2: the First Vatira Asteroid
Paper by DIRAC Researcher, Sarah Greenstreet Published February 2020 Orbital Dynamics of 2020 AV2: the First Vatira Asteroid Abstract Vatira-class near-Earth objects (NEOs) have orbits entirely interior to the orbit of Venus with aphelia 0.307 < Q < 0.718 AU….
Read More2020-2-10 Seminar: Stephanie Juneau
When: Monday, February 10th, 2020 @ 12:30pm Where: PAA, Room A214 The Influence of Giant Black Holes on the Fate of Galaxies, Stephanie Juneau (NSF’s OIR Lab) Supermassive black holes – with masses of millions to billions of times that…
Read More2019-12-09 Seminar: Adam Smercina
When: Monday, December 9th, 2019 @ 12:30pm Where: PAB, 6th Floor, eScience Studio, Seminar Rm. The Satellites and Stellar Halos of Nearby MW-mass Galaxies The outskirts of galaxies like the Milky Way (MW) are important testing grounds for our understanding of…
Read More2019-11-12 Seminar: Ashley Villar
When: Tuesday, November 12th, 2019 @ 10:00am Where: PAB, 6th Floor, eScience Studio, Seminar Rm. Time-domain Astrophysics in the Era of Big Data The Large Synoptic Survey Telescope (LSST) will begin science operations in 2023 and is expected to increase…
Read MoreAstronomy Colloquium: Siegfried Eggl
When: October 31st, 2019 @ 3:45PM Where: PAA A102 This week’s colloquium speaker is our own Siegfried Eggl. Throwing DARTs at Asteroids For the first time in the history of our planet its inhabitants have the means to avert catastrophic impacts of…
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