Akron Phy sics Club
Archive 2022
| 2022 | |
| January | Stacy McGaugh - The Acceleration Discrepancy |
| February | Open meeting and round talk |
| March | George Riedel - HF Radio propagation with NVIS and other modes of emergency communication |
| April | Adam Leroy - The Promise of JWST (James Webb Space Telescope) at the Beginning of it's First Year |
| May | |
| September | |
| October | |
| November |
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Akron Physics Club
Akron Physics Club
MEETING ANNOUNCEMENT: TUESDAY January 26, 2022
Topic: Akron Physics Club Meeting
Informal member discussion at 6:30pm - Business Meeting at 7:00pm followed by the presentation.
We will be meeting at the New Era Cafe in Akron, and also via Zoom internet for remote attendance.
What is Zoom?
Zoom is a web-based video conferencing tool with a local, desktop client and a mobile app that allows users to meet online, with or without video. Zoom users can choose to record sessions, collaborate on projects, and share or annotate on one another's screens, all with one easy-to-use platform.
Getting started on Windows and Mac
How to join a Zoom Meeting
Where is the New Era Cafe?
Located at 10 Massillon Road, Akron, Ohio 44312
phone: 330.784.0087
Web site
Check out their Menu since for the meeting you can order your food there on your own.
No need to bring your laptop, tablet or computer device.
A projector and screen will already be setup there - for you to watch/participate and enjoy the meeting.
If you are going to watch the APC Zoom meeting at the New Era Cafe, please register ahead of time at https://www.meetup.com/Akron-Physics-Meetup/ so we know how big of a room to request.
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Visitors and students are always welcome.
If you currently are not on our email list and wish to attend our meeting, please send such request to: This email address is being protected from spambots. You need JavaScript enabled to view it.).
Professor Stacy McGaugh
Department of Astronomy, Case Western Reserve University
will be speaking on:
The Acceleration Discrepancy
Professor Stacy McGaugh is an astronomer who studies galaxies, dark matter, and theories of modified gravity. He is an expert on low surface brightness galaxies, a class of objects in which the stars are spread thin compared to bright galaxies like our own Milky Way. He demonstrated that these dim galaxies appear to be dark matter dominated, providing unique tests of theories of galaxy formation and modified gravity. He also showed that they obeyed the Tully-Fisher relation once gas was included along with stars in the mass budget, coining the term "Baryonic Tully-Fisher relation."
Together with Jim Schombert and Federico Lelli, McGaugh has assembled the SPARC database of galaxies with rotation curves and Spitzer surface photometry. Together, these provide accurate mass models for nearly 200 rotationally supported disk galaxies, mapping the distribution of their mass components in detail, and providing the most accurate assessment of the stellar mass of galaxies currently available. The SPARC database has been widely used by other, and has become a touchstone for many theoretical as well as observational investigations.
In addition to his observational work, he has also played theorist on occasion, successfully predicting the velocity dispersions of dwarf galaxies like Crater 2 and Andromeda 28 (and many other Local Group dwarfs), the declining slope of the rotation curve of the Milky Way, the stability properties of low surface brightness disks, the early reionization of the universe and the strong absorption signal observed in the EDGES experiment, and the first-to-second peak amplitude ratio of the acoustic power spectrum of the cosmic microwave background.
McGaugh studied at MIT, Princeton, and the University of Michigan. He is a distinguished alumnus of both Flint (MI) Norhern High School and the Astronomy department of the University of Michigan. McGaugh was a research fellow at the Institute of Astronomy at the University of Cambridge, the Department of Terrestrial Magnetism of the Carnegie Institution of Washington, and Rutgers before joining the faculty of the University of Maryland in 1998. In 2012, he moved to Case Western Reserve University where he is currently the Chair of the Department of Astronomy and Director of the Warner and Swasey Observatory.
The Acceleration Discrepancy
The rotation curves of spiral galaxies are famous for being flat out as far as can be measured. This is the first of several important regularities in the dynamics of galaxies, which also include the baryonic Tully-Fisher relation, the central density relation, and the radial acceleration relation. These empirical relations are all linked by a common acceleration scale, which is where the apparent need for dark matter appears.
Minutes, January 26, 2022
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Entire presentation is here: pdf link here
Akron Physics Club
Akron Physics Club
MEETING ANNOUNCEMENT: WEDNESDAY February 23, 2022
Topic: Open
Doors open at 5:30pm. Meeting at 6:00pm at the
New Era Restaurant, 10 Massillon Rd, Akron OH 44312
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Sign up at "Akron Physics Club Meetup. Meeting is free.
https://www.meetup.com/Akron-Physics-Meetup
Visitors and students are always welcome.
If you currently are not on our email list and wish to attend our meeting, please send such request to: (This email address is being protected from spambots. You need JavaScript enabled to view it.).
We don't have a program speaker lined up but we have some great physics videos and a roundtable talks. We will be planning for next month meeting and topics for next year.
Minutes, February 23, 2022
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Akron Physics Club
Akron Physics Club
MEETING ANNOUNCEMENT: WEDNESDAY March 23, 2022
Topic: HF Radio propagation with NIVIS
Doors open at 5:30pm. Meeting at 6:00pm at the
New Era Restaurant, 10 Massillon Rd, Akron OH 44312
George Riedel
will present
HF Radio propagation with NVIS and other modes of emergency communication
-
Sign up at "Akron Physics Club Meetup. Meeting is free.
https://www.meetup.com/Akron-Physics-Meetup
Visitors and students are always welcome.
If you currently are not on our email list and wish to attend our meeting, please send such request to: (This email address is being protected from spambots. You need JavaScript enabled to view it.).
Minutes, March 23, 2022
Topic:
George Riedel will give a presentation on HF radio propagation with NVIS and other modes for emergency communication.
George has been deployed to several disaster over the years by the Red Cross and worked with FEMA.
George will show some pics of Hattie and other locations that he was deployed.
This is a very enlightened look behind the scenes of natural disasters.
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Force of the hurricane ...
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Akron Physics Club
MEETING ANNOUNCEMENT: WEDNESDAY April 27, 2022
Topic: James Web Space Telescope
Doors open at 5:30pm. Meeting at 6:00pm at the
New Era Restaurant, 10 Massillon Rd, Akron OH 44312
Professor Adam Leroy
The Ohio State University College of Arts and Sciences
will present
The Promise of JWST at the Beginning of its First Year
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Sign up at "Akron Physics Club Meetup. Meeting is free.
https://www.meetup.com/Akron-Physics-Meetup
Visitors and students are always welcome.
If you currently are not on our email list and wish to attend our meeting, please send such request to: (This email address is being protected from spambots. You need JavaScript enabled to view it.).
Abstract:
The James Webb Space Telescope (JWST) is about to begin full science operations. JWST promises unprecedented resolution and sensitivity through the infrared part of the spectrum and this is expected to deliver breakthroughs on everything from the history of the universe to the birth of stars, galaxies, and the makeup of planets. I will give a short overview of what makes JWST so exciting and give a preview of some of the things to look forward to as science operations begin.
Bio:
Adam Leroy is an Associate Professor in the Astronomy Department at Ohio State. His work focused on the evolution of galaxies, the birth of stars, and the interstellar medium. Prof. Leroy's work heavily focuses on new observations using "long wavelength" infrared, microwave, and radio telescopes. In its first year, he is using JWST to study the birth of stars and clusters in a set of the nearest galaxies.
Minutes, April 27, 2022