Program Meeting

San Diego Astronomy Association (SDAA) sponsors speakers on a wide range of astronomy topics on the third Wednesday of every month at the Mission Trails Regional Park Visitors Center. The Program meeting begins at 7:00 PM. Each attendee receives one free door prize ticket. After announcements and a small amount of business, the audience is treated to the featured presentation. At the close of the meeting the door prizes are presented.  The event is open to the public. The Mission Trails Regional Park Visitors Center is at One Fr. Junipero Serra Trail, San Diego CA 92119.  Call the park at 619-668-3281 for more information or visit http://www.mtrp.org.

Due to the COVID-19 pandemic, program meetings are currently being held via Zoom. You can register in advance for the next meeting at the following link. After registering, you will receive a confirmation email containing information about joining the meeting.

https://us02web.zoom.us/j/89298162225?pwd=TVZsTTg3dzRXcERDY0tXeHErVXArQT09

Please contact Dave Wood if you have an questions, comments, or ideas for the Program Meetings.

Meetings since July 2020 are being archived on the SDAA YouTube page.

April 19, 2021 Program Meeting

Speaker: Dr. Xiaohui Fan – Steward Observatory Topic: Dark Energy Spectroscopic Instrument (DESI) Dr. Fan is an observational cosmologist. Answering questions such as: When did the first luminous objects appearin the Universe? How did the first generation galaxies & quasars heat up the intergalactic gas, re-ionize the Universeand end the cosmic dark ages with facilities … April 19, 2021 Program Meeting Read More »
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March 17, 2021 Program Meeting

Speaker: Dr. Daniel Apai – Steward Observatory Topic: Exoplanets / Astrobiology Dr. Daniel Apai is a recent recipient of NASA’s ICAR Astrobiology grant. This is an inaugural effort focusing on the challenging questions in astrobiology. Daniel’s research focuses on exoplanets, with a particular emphasis on habitable planets and planetary systems. Heleads large programs to understand … March 17, 2021 Program Meeting Read More »
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February 17, 2021 Program Meeting

Speaker: Jimmy Lilly – Steward Observatory Topic: Identifying Prestellar Cores in Molecular Clouds Jimmy Lilly was a 2019-2020 Lucas Scholarship recipient and majored in Astronomy / Physics. He graduated in May 2020. He works with Yancy Shirley from the Department of Astronomy on “Characterizing Physical Properties Associated with Hierarchical Structure in Star-Forming Regions.” You can … February 17, 2021 Program Meeting Read More »
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January 20, 2021 Program Meeting

Speaker: Maria Galloway-Sprietsma – Steward Observatory Topic: Pulsar Timing Maria Galloway-Sprietsma is a Lucas Scholarship recipient 2020-2021. She is working with Dr. Yancy Shirley, Steward Observatory on a study of deuterated ammonia (NH2D) in star-forming region Cepheus L1251. They hope to explore the possibilities of using deuterated ammonia as a dense gas tracer, and believe … January 20, 2021 Program Meeting Read More »
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Dec 16, 2020 Program Meeting

Dr. Alex Ji: The First Stars Dr. Alex Ji is a postdoctoral fellow at the Carnegie Observatories. Alex is a near-field cosmologist, studying nearby stars and galaxies to understand the first stars and galaxies, the origin of the elements, and the history of the Milky Way. Alex’s main lockdown activity has been eating Trader Joe’s … Dec 16, 2020 Program Meeting Read More »
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Ryan Rubenzahl

November 18, 2020 Program Meeting

Speaker: Ryan Rubenzahl – Caltech Topic: Measuring the Speed of Stars More Precisely Than Your Car’s Speedometer The “doppler method” of detecting planets orbiting other stars requires precise measurements of the speeds of those distant stars. If we can see a star oscillating towards and away from us, we can infer that an unseen planet … November 18, 2020 Program Meeting Read More »
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October 21, 2020 Program Meeting

Speaker: Mia de Los Reyes Topic: The Loneliest Galaxies in the Universe Most of the matter in the universe is located in long and thin structures called “cosmic filaments” that stretch across the universe in web-like formations. However, some galaxies live in the much emptier spaces between cosmic filaments, called cosmic voids. By comparing the … October 21, 2020 Program Meeting Read More »
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August 19, 2020 Program

Speaker: Dr. Nicholas Galitzki ( UCSD)  Topic: Cosmic Microwave Background at the Simons Observatory   Dr. Nicholas Galitzki began his astronomy career at the California Institute of Technology where he earned his B.S. in astrophysics in 2008. While at Caltech he was involved in two research projects, one with a lunar seismometer developed at the Jet … August 19, 2020 Program Read More »
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