College of Arts and Sciences » Astronomy

astronomy, colloquium, presentation

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Guilherme Limberg

Title: Near-field Cosmology with the Most Metal-poor Stars in the Milky Way and its Satellite Galaxies,   Abstract: Studying the lowest-metallicity stars in the Milky Way has significantly contributed to our understanding about the formation of the first Population III stars and galaxies in the early Universe. With the advent of Gaia space mission, it is now possible to connect so-called “ultra metal-poor” (UMP) stars to their original birth sites outside the Milky Way using kinematics, hence allowing us to probe the environments that retained the yields from the first supernovae. The most striking fact about UMP stars (0.01% solar metallicity) is that they are typically extremely enhanced in carbon in comparison to the Sun. Despite being known for ~25 years now, the origin of this phenomenon has remained elusive. In this talk, I will present recent results regarding the hunt for UMP stars beyond the Milky Way. Surprisingly, both stars of this kind discovered in the Large Magellanic Cloud (LMC) are not rich… Event interval: Single day event. Campus location: Physics-Astronomy Auditorium (PAA). Online Meeting Link: https://uw.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=53edead3-3b46-47de-a1a7-b41d015fd35e. Campus room: PAA102. Accessibility Contact: Liza Young. Event Types: Academics. Thursday, April 16, 2026, 3:30 PM – 4:30 PM.

Astronomy Faculty Meeting

Event interval: Single day event. Campus room: C341. Accessibility Contact: Liza Young. Event Types: Meetings. Target Audience: Faculty. Tuesday, April 21, 2026, 4:00 PM – 5:00 PM.

Astronomy Colloquium presentation Howard Hui

. Event interval: Single day event. Campus location: Physics-Astronomy Auditorium (PAA). Online Meeting Link: https://uw.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=fe58c4ee-d7b6-44eb-b083-b41d015fd48e. Campus room: PAA102. Accessibility Contact: Liza Young. Event Types: Academics. Thursday, April 23, 2026, 3:30 PM – 4:30 PM.

Astronomy Colloquium presentation Devontae Baxter

. Event interval: Single day event. Campus location: Physics-Astronomy Auditorium (PAA). Online Meeting Link: https://uw.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=9a24e327-8394-451d-b123-b41d015fd5e9. Campus room: PAA102. Accessibility Contact: Liza Young. Event Types: Academics. Thursday, April 30, 2026, 3:30 PM – 4:30 PM.

Astronomy Faculty Meeting

Event interval: Single day event. Campus room: C341. Accessibility Contact: Liza Young. Event Types: Meetings. Target Audience: Faculty. Tuesday, May 5, 2026, 4:00 PM – 5:00 PM.

Theodore Jacobsen Observatory Open House

Welcome Welcome to the web page of the public events program at the Theodor Jacobsen Observatory (TJO) of the University of Washington.  Come and join us for open houses where we offer a view through our 1895 telescope on clear dark nights. In addition, enjoy evening talks and other activities during your visit for people of all ages, from 6 to 100. Tickets are free. Programs normally take place at the observatory on the first and third Tuesday evenings of April through September, rain or shine.  The staff are entirely volunteers, including undergraduates from the “League of Astronomers” within the Astronomy Department as well as members of the Seattle Astronomical Society (under the auspices of the UW Astronomy Department). TJO Evening Public Events Sky viewing is the main event of the evening.  However, nightfall comes late. So doors open at 8 or 9 PM from April through September (see below for dates and times) while the sky is still light.  The first major event of the evening is a public talk by students… Event interval: Single day event. Campus location: Theodor Jacobsen Observatory (OBS). Accessibility Contact: Liza Young. Event Types: Information Sessions. Special Events. Event sponsors: Department of Astronomy. Target Audience: Public. Tuesday, May 5, 2026, 9:00 PM – 11:00 PM. For more info visit astro.washington.edu.

Astronomy Colloquium presentation Joe Murtagh

. Event interval: Single day event. Campus location: Physics-Astronomy Auditorium (PAA). Online Meeting Link: https://uw.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=5b4cad41-9619-4591-abf1-b41d015fd72c. Campus room: PAA102. Accessibility Contact: Liza Young. Event Types: Academics. Thursday, May 7, 2026, 3:30 PM – 4:30 PM.

Astronomy Qual Day

Event interval: Single day event. Accessibility Contact: Liza Young. Event Types: Academics. Friday, May 8, 2026.

Samantha Gilbert-Janizek Final Exam

Event interval: Single day event. Campus location: Theodor Jacobsen Observatory (OBS). Accessibility Contact: Liza Young. Event Types: Academics. Monday, May 11, 2026, 1:00 PM – 2:00 PM.

Astronomy Colloquium presentation Sarah Tuttle

. Event interval: Single day event. Campus location: Physics-Astronomy Auditorium (PAA). Online Meeting Link: https://uw.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=59176d7e-c4ac-401e-8001-b41d015fd878. Campus room: PAA102. Accessibility Contact: Liza Young. Event Types: Academics. Thursday, May 14, 2026, 3:30 PM – 4:30 PM.

DiRAC Invited Speaker Guillaume Mahler

Event interval: Single day event. Campus location: Physics-Astronomy Building (PAB). Campus room: B305. Accessibility Contact: Liza Young. Event Types: Lectures/Seminars. Tuesday, May 19, 2026, 12:00 PM – 1:00 PM.

Astronomy Faculty Meeting

Event interval: Single day event. Campus room: C341. Accessibility Contact: Liza Young. Event Types: Meetings. Target Audience: Faculty. Tuesday, May 19, 2026, 4:00 PM – 5:00 PM.

Theodore Jacobsen Observatory Open House

Welcome Welcome to the web page of the public events program at the Theodor Jacobsen Observatory (TJO) of the University of Washington.  Come and join us for open houses where we offer a view through our 1895 telescope on clear dark nights. In addition, enjoy evening talks and other activities during your visit for people of all ages, from 6 to 100. Tickets are free. Programs normally take place at the observatory on the first and third Tuesday evenings of April through September, rain or shine.  The staff are entirely volunteers, including undergraduates from the “League of Astronomers” within the Astronomy Department as well as members of the Seattle Astronomical Society (under the auspices of the UW Astronomy Department). TJO Evening Public Events Sky viewing is the main event of the evening.  However, nightfall comes late. So doors open at 8 or 9 PM from April through September (see below for dates and times) while the sky is still light.  The first major event of the evening is a public talk by students… Event interval: Single day event. Campus location: Theodor Jacobsen Observatory (OBS). Accessibility Contact: Liza Young. Event Types: Information Sessions. Special Events. Event sponsors: Department of Astronomy. Target Audience: Public. Tuesday, May 19, 2026, 9:00 PM – 11:00 PM. For more info visit astro.washington.edu.

Astronomy Colloquium presentation J. Xavier Prochaska

. Event interval: Single day event. Campus location: Physics-Astronomy Auditorium (PAA). Online Meeting Link: https://uw.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=d3b21108-7886-4be5-889e-b41d015fd9ca. Campus room: PAA102. Accessibility Contact: Liza Young. Event Types: Academics. Thursday, May 21, 2026, 3:30 PM – 4:30 PM.

Megan Gialluca Final Exam

Event interval: Single day event. Campus location: Physics-Astronomy Tower (PAT). Campus room: C520. Accessibility Contact: Liza Young. Event Types: Academics. Wednesday, May 27, 2026, 11:00 AM – 12:00 PM.

Astronomy Colloquium presentation Caprice Phillips

. Event interval: Single day event. Campus location: Physics-Astronomy Auditorium (PAA). Online Meeting Link: https://uw.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=994fef17-33a3-4879-9a5d-b41d015fdb15. Campus room: PAA102. Accessibility Contact: Liza Young. Event Types: Academics. Thursday, May 28, 2026, 3:30 PM – 4:30 PM.

DiRAC Invited Speaker Emily Cunningham

Event interval: Single day event. Campus location: Physics-Astronomy Building (PAB). Campus room: B305. Accessibility Contact: Liza Young. Event Types: Lectures/Seminars. Tuesday, June 2, 2026, 12:00 PM – 1:00 PM.

Astronomy Faculty Meeting

Event interval: Single day event. Campus room: C341. Accessibility Contact: Liza Young. Event Types: Meetings. Target Audience: Faculty. Tuesday, June 2, 2026, 4:00 PM – 5:00 PM.

Theodore Jacobsen Observatory Open House

Welcome Welcome to the web page of the public events program at the Theodor Jacobsen Observatory (TJO) of the University of Washington.  Come and join us for open houses where we offer a view through our 1895 telescope on clear dark nights. In addition, enjoy evening talks and other activities during your visit for people of all ages, from 6 to 100. Tickets are free. Programs normally take place at the observatory on the first and third Tuesday evenings of April through September, rain or shine.  The staff are entirely volunteers, including undergraduates from the “League of Astronomers” within the Astronomy Department as well as members of the Seattle Astronomical Society (under the auspices of the UW Astronomy Department). TJO Evening Public Events Sky viewing is the main event of the evening.  However, nightfall comes late. So doors open at 8 or 9 PM from April through September (see below for dates and times) while the sky is still light.  The first major event of the evening is a public talk by students… Event interval: Single day event. Campus location: Theodor Jacobsen Observatory (OBS). Accessibility Contact: Liza Young. Event Types: Information Sessions. Special Events. Event sponsors: Department of Astronomy. Target Audience: Public. Tuesday, June 2, 2026, 9:00 PM – 11:00 PM. For more info visit astro.washington.edu.

Astronomy Colloquium presentation Olivia Cooper

. Event interval: Single day event. Campus location: Physics-Astronomy Auditorium (PAA). Online Meeting Link: https://uw.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=4a29fd54-b5c0-4221-8830-b41d015fdc70. Campus room: PAA102. Accessibility Contact: Liza Young. Event Types: Academics. Thursday, June 4, 2026, 3:30 PM – 4:30 PM.

Astronomy Graduation

Event interval: Single day event. Campus location: Physics-Astronomy Auditorium (PAA). Campus room: PAA102. Accessibility Contact: Liza Young. Event Types: Academics. Ceremonies. Friday, June 12, 2026, 9:00 AM – 3:00 PM.

Astronomy Faculty Meeting

Event interval: Single day event. Campus room: C341. Accessibility Contact: Liza Young. Event Types: Meetings. Target Audience: Faculty. Tuesday, June 16, 2026, 4:00 PM – 5:00 PM.

Theodore Jacobsen Observatory Open House

Welcome Welcome to the web page of the public events program at the Theodor Jacobsen Observatory (TJO) of the University of Washington.  Come and join us for open houses where we offer a view through our 1895 telescope on clear dark nights. In addition, enjoy evening talks and other activities during your visit for people of all ages, from 6 to 100. Tickets are free. Programs normally take place at the observatory on the first and third Tuesday evenings of April through September, rain or shine.  The staff are entirely volunteers, including undergraduates from the “League of Astronomers” within the Astronomy Department as well as members of the Seattle Astronomical Society (under the auspices of the UW Astronomy Department). TJO Evening Public Events Sky viewing is the main event of the evening.  However, nightfall comes late. So doors open at 8 or 9 PM from April through September (see below for dates and times) while the sky is still light.  The first major event of the evening is a public talk by students… Event interval: Single day event. Campus location: Theodor Jacobsen Observatory (OBS). Accessibility Contact: Liza Young. Event Types: Information Sessions. Special Events. Event sponsors: Department of Astronomy. Target Audience: Public. Tuesday, June 16, 2026, 9:00 PM – 11:00 PM. For more info visit astro.washington.edu.

Astronomy Faculty Meeting

Event interval: Single day event. Campus room: C341. Accessibility Contact: Liza Young. Event Types: Meetings. Target Audience: Faculty. Tuesday, June 30, 2026, 4:00 PM – 5:00 PM.

Theodore Jacobsen Observatory Open House

Welcome Welcome to the web page of the public events program at the Theodor Jacobsen Observatory (TJO) of the University of Washington.  Come and join us for open houses where we offer a view through our 1895 telescope on clear dark nights. In addition, enjoy evening talks and other activities during your visit for people of all ages, from 6 to 100. Tickets are free. Programs normally take place at the observatory on the first and third Tuesday evenings of April through September, rain or shine.  The staff are entirely volunteers, including undergraduates from the “League of Astronomers” within the Astronomy Department as well as members of the Seattle Astronomical Society (under the auspices of the UW Astronomy Department). TJO Evening Public Events Sky viewing is the main event of the evening.  However, nightfall comes late. So doors open at 8 or 9 PM from April through September (see below for dates and times) while the sky is still light.  The first major event of the evening is a public talk by students… Event interval: Single day event. Campus location: Theodor Jacobsen Observatory (OBS). Accessibility Contact: Liza Young. Event Types: Information Sessions. Special Events. Event sponsors: Department of Astronomy. Target Audience: Public. Tuesday, July 7, 2026, 9:00 PM – 11:00 PM. For more info visit astro.washington.edu.

Astronomy Faculty Meeting

Event interval: Single day event. Campus room: C341. Accessibility Contact: Liza Young. Event Types: Meetings. Target Audience: Faculty. Tuesday, July 14, 2026, 4:00 PM – 5:00 PM.