JWST at the Gates of Cosmic Dawn | Physics & Astronomy

A Meeting in Honor of Garth Illingworth, June 24 – June 26

Basic Logistics

Meeting Dates: Tuesday June 24 through Thursday June 26
Meeting Location: The Bloomberg Center for Physics & Astronomy, Johns Hopkins University: San Martin Dr, Baltimore, MD 21218
Banquet: 6:00 to 9:00 PM, Wednesday, June 25 at Evergreen Museum & Library Carriage House: 4545 North Charles Street Baltimore MD 21210
There is no registration fee and no charge for the banquet, breakfast, lunch, and coffee breaks. Breakfast, lunches, and coffee breaks will be at the meeting venue
Hotel stays should be arranged by attendees
We have reserved/guaranteed a block of rooms at “The Study at Johns Hopkins” (a 10 minute walk) at a discounted JHU rate. You can either call directly at 410-243-0030 and reference “Garthfest 2025”, or reserve via the customized booking link:
https://reservations.thestudyatjohnshopkins.com/114532?groupID=4725817#/guestsandrooms
We request that out-of-town attendees stay there

Scientific Organizing Committee: T. Heckman (chair), J. Gardner, A. Nota, E. Smith, M. Stiavelli

Sponsors: We thank the Wiiliam H. Miller III Department of Physics and Astronomy and the Center for Astrophysical Sciences at Johns Hopkins University for logistical and financial support. We also thank the Association of Universities for Research in Astronomy (AURA) and the University of California Observatories for additional financial support.

Bio of Garth Illingworth

Images of Garth Illingworth

Participants

P. Bely

D. Berg

R. Bezanson

M. Bolte

R. Bouwens

J. Brodie

D. Calzetti

J. Chisholm

C. Christian

M. Clampin

D. Coe

R. Davies

S. Deustua

J. Dunlop

R. Ellis

M. Fall

L. Feinberg

K. Flanagan

J. Frogel

J. Gardner

P. Geithner

M. Giavalisco

R. Howard

T. Heckman

A. Henry

G. Illingworth

A. Jaskot

T. Jones

S. Kassin

D. Kelson

D. Koo

J. Leja

D. Magee

J. Mather

S. McCandliss

M. McElwain

M. Menzel

M. Mountain

A. Nota

R. Naidu

P. Oesch

N. Reddy

J. Rigby

N. Roy

A. Shapley

E. Smith

R. Smith

M. Stiavelli

A. Strom

V. Tran

R. Williams

R. Wyse

N. Zakamska

Program

Day 1: Tuesday, June 24

•Breakfast: 8:00 to 9:00

•Science Session 1 – Early Galaxies and their Interstellar Medium – Session chair: Roger Davies

•9:00 – 9:30: Alaina Henry – “Webb’s First Deep Field: Behind the scenes for JWST’s first spectroscopic confirmation of galaxies in the early universe”

•9:30 – 10:00: Danielle Berg – “Evolution of the ISM Across Cosmic Time”

•10:00 – 10:30: Alice Shapley – “The Physical and Chemical Properties of Early Galaxies”

•10:30 – 11:00: Coffee Break

•11:00 – 11:30: Allison Strom – “New and improved: what we’re (still) learning about galaxies at the peak of cosmic star formation.”

•11:30 – 12:00: Naveen Reddy – “Ionization Conditions and Dust Covering Fractions of High-Redshift Galaxies from Keck and JWST Spectroscopy”

•12:00 – 12:30: Susan Kassin – “Ultra-deep 3D data cubes of galaxies at z=1-6 with the GARDEN JWST Survey”

•12:30 – 1:30: Lunch

•Science Session 2 – Early Galaxies and their Stellar Populations – Session chair: Jean Brodie

•1:30 – 2:00: Joel Leja – “Most of our SED modeling is demonstrably wrong. What is still (or will soon be) useful?”

•2:00 – 2:30: Rachel Bezanson – “The beginning of the end: measuring the emergence of massive, quiescent galaxies with JWST”

•2:30 – 3:00: Mauro Giavalisco – “Galaxies and AGN During and Before the Epoch of Re-Ionization”

•3:00 – 3:30: Coffee Break

•3:30 – 4:00: Jane Rigby – “The physical conditions of early galaxies, as revealed by JWST + gravitational lensing”

•4:00 – 4:30: Namrata Roy – “Turning a page in the AGN feedback chapter: The power of Webb’s spatially resolved spectroscopy in mapping large scale high redshift outflows”

•4:30 – 5:00: Vy Tran – “Coming Full Circle with Strong Gravitational Lensing”

•Dinner on your own

Day 2: Wednesday, June 25

•8:00 – 9:00: Breakfast

•9:00 – 9:30: Robert Smith – “The History of JWST”

•9:30 – 10:15: Panel Discussion 1: “Setting the Stage with Science” with Daniela Calzetti, Jonathan Gardner, Kathy Flanagan, and Garth Illingworth. Panel moderator: Massimo Stiavelli

•10:15 – 11:00: Panel Discussion 2: “Technical Challenges” with Pierre Bely, Stephan McCandliss, Michael McElwain, Mike Menzel. Panel moderator: Jonathan Gardner

•11:00- 11:30: Coffee Break

•11:30 – 12:15: Panel Discussion 3: “Political Challenges” with Kathy Flanagan, Rick Howard, and Bob Williams. Panel moderator: Antonella Nota

•12:15 – 1:15: Lunch

•1:15 – 2:00: Panel Discussion 4: “Lessons Learned” with Mark Clampin, Lee Feinberg, Paul Geithner, and John Mather. Panel moderator: Eric Smith

•Science Session 3: Early Supermassive Black Holes – Session chair: David Koo

•2:00 – 2:30: Rychard Bouwens – “New Insight into the Life Cycle of AGN in z>6 Galaxies from a ~49-hour ALMA program”

•2:30 – 3:00: Rohan Naidu – “Black Hole Stars”

•3:00 – 3:30: Nadia Zakamska – “Discoveries in supermassive black hole accretion from cosmic noon to cosmic dawn”

•3:30 – 4:00: Coffee Break

•Science Session 4 – The Reionization of the Universe – Session chair: Rosie Wyse

•4:00 – 4:30: Anne Jaskot – “Reionization Insights from Low-redshift Galaxies”

•4:30 – 5:00: John Chisholm – “New insights from local and distant galaxies to constrain the sources of ionizing photons”

•6:00 to 9:00 PM – Reception and Banquet at The Carriage House, Evergreen Museum and Library https://evergreenevents.library.jhu.edu/rental-information/weddings-at-the-evergreen/

Day 3: Thursday, June 26

8:00 – 9:00: Breakfast

Science Session 4 – continued

9:00 – 9:30: Tucker Jones – “The interstellar medium of z>6 galaxies and implications for ionizing escape fractions”

9:30 to 10:00 Dan Coe – “JWST: One Giant Leap Towards Observing the First Stars”

10:00 – 10:30: Richard Ellis – “Garth: Deep Fields and Progress in Understanding Reionisation”

10:30 – 11:00: Coffee Break

11:00 – 11:30: Pascal Oesch – “Exploring Cosmic Dawn with Garth for the past ~15 years”

11:30 – 12:00: Jim Dunlop – “Exploring the emergence of the first galaxies with JWST and Garth”

12:00 – 12:45: Travels with Garth: remarks and stories from Jean Brodie, Carol Christian, Roger Davies, Susana Deustua, Jay Frogel, Dan Kelson, David Koo, Dan Magee, Rosie Wyse

12:45: The Final Word(s) – Garth Illingworth

1:00: Lunch and meeting’s end