§ 01Research · 04 / 06
Galaxies & the gas around them
Star formation and the galactic winds it drives, the circumgalactic medium, multiphase and turbulent plasmas, cosmic rays, galaxy clusters, and dusty star forming galaxies in the early universe.
§ 02People
Faculty
Each portrait links to a profile page.
Caitlin CaseyProfessor; Vice Chair for Undergraduate AffairsMassive galaxies in the early universe · Cold gas and dust in galaxiesGalaxiesCosmic dawn
Crystal MartinProfessorGalactic winds · The galaxy and circumgalactic medium ecosystemGalaxiesCosmic dawn
S. Peng OhProfessorGalaxy formation · Physics of diffuse plasmasGalaxies
§ 03On the sky
On the sky
Objects tied to this theme's research, placed on the sky over Broida Hall. Positions are computed in your browser.
Positions are computed in the browser and need JavaScript.
Zenith at the center, horizon at the rim, rings at 30° and 60° altitude. North up, east left, as seen looking up. Stars to magnitude 4.5.
Survey field
COSMOS field
RA 10h 00.5m · Dec +02° 12′
- Altitude
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- Azimuth
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- Rises
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- The NIRISS PASSAGE Spectroscopic Redshift Catalog in COSMOS2026
- Large-scale Structure in COSMOS-Web: Tracing Galaxy Evolution in the Cosmic Web up to z ∼ 7 with the Largest JWST Survey2026
- Expanding the High-z Supernova Frontier: "Wide-area" JWST Discoveries from the First 2 yr of COSMOS-Web2026
- +14 more
Galaxy cluster
A1835
RA 14h 01.0m · Dec +02° 53′
z = 0.25
- Altitude
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- Azimuth
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- Rises
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- Star Formation Histories and Stellar Dynamics in the Central Galaxies of RX J0820.9+0752, A1835, and PKS 0745−1912026
- Velocity Structure Correlations between the Nebular, Molecular, and Atmospheric Gases in the Cores of Four Cool Core Clusters2025
- Complex Kinematics of Nebular Gas in Active Galaxies Centered in Cooling X-Ray Atmospheres2024
Radio galaxy
PKS 0745-191
RA 07h 47.5m · Dec −19° 18′
z = 0.10
- Altitude
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- Azimuth
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- Rises
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- Star Formation Histories and Stellar Dynamics in the Central Galaxies of RX J0820.9+0752, A1835, and PKS 0745−1912026
- Velocity Structure Correlations between the Nebular, Molecular, and Atmospheric Gases in the Cores of Four Cool Core Clusters2025
- Complex Kinematics of Nebular Gas in Active Galaxies Centered in Cooling X-Ray Atmospheres2024
Galaxy cluster
RX J0820.9+0752
RA 08h 21.0m · Dec +07° 52′
z = 0.11
- Altitude
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- Azimuth
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- Rises
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- Star Formation Histories and Stellar Dynamics in the Central Galaxies of RX J0820.9+0752, A1835, and PKS 0745−1912026
- Velocity Structure Correlations between the Nebular, Molecular, and Atmospheric Gases in the Cores of Four Cool Core Clusters2025
- Complex Kinematics of Nebular Gas in Active Galaxies Centered in Cooling X-Ray Atmospheres2024
Galaxy cluster
ACO 262
RA 01h 52.8m · Dec +36° 09′
71.8 Mpc
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Emission-line galaxy
J1044+0353
RA 10h 45.0m · Dec +03° 53′
57.6 Mpc
- Altitude
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- Rises
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Active galaxy
SBS 0335-052 E
RA 03h 37.7m · Dec −05° 03′
60 Mpc
- Altitude
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- Azimuth
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- Rises
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Seyfert 1 galaxy
CGCG 007-025
RA 09h 44.0m · Dec −00° 39′
20.5 Mpc
- Altitude
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- Rises
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Active galaxy
M 82
RA 09h 55.9m · Dec +69° 41′
3.53 Mpc
- Altitude
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- Azimuth
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- Rises
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Emission-line galaxy
UNCOVER DR2 46803
RA 00h 14.3m · Dec −30° 21′
z = 4.46
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Caitlin Casey
Crystal Martin
Joseph Hennawi
S. Peng Oh§ 04Publications
Recent papers
The newest papers in this theme, from NASA ADS. Group members are in gold.
- 01Oct 2026arXivThe Role of the Cosmic Web in Galaxy Evolution Across 0.4<z<4S. Taamoli, B. Mobasher, H. Hatamnia, N. Chartab, J. R. Weaver, G. Gozaliasl, A. M. Koekemoer, C. M. Casey et al. (15 authors)GalaxiesCosmic dawnarXiv:2610.07710
- 02Oct 2026arXivX-ray Characterization of Galaxy Groups and Hickson Groups in COSMOS-Web to z~3.8 I. X-ray Luminosity Function EvolutionG. Gozaliasl, G. Hasinger, G. Leroy, A. Finoguenov, F. Abedini, H. B. Akins, R. C. Arango-Toro, A. Babul et al. (38 authors); UCSB: C. M. CaseyGalaxiesCosmic dawnarXiv:2610.02470
- 03Oct 2026arXivDo Submillimeter Galaxies Trace Megaparsec Large-scale Structures? -- An Overdensity Analysis of 449 Submillimeter Galaxies in COSMOSC. Deng, D. Liu, H. Dannerbauer, G. Castignani, R. Calvi, L. Moscardini, B. Magnelli, S. Adscheid et al. (22 authors); UCSB: C. CaseyGalaxiesCosmic dawnarXiv:2610.01136
- 04Oct 2026ApJParticle Acceleration in Magnetized Shear-driven TurbulenceM. Liu, M. Ruszkowski, E. Zweibel, X. Sun, D. Caprioli, N. Liang, S. P. Oh, A. SpitkovskyGalaxiesarXiv:2512.12720
- 05Sep 2026arXivCHAMPS: Data Reduction and Detection of ~3300 Dusty Galaxies at 1.2 mmF. Martinez, J. S. Karaltepe, A. L. Faisst, A. S. Long, J. A. Zavala, C. M. Casey, J. McKinney, E. Treister et al. (55 authors)GalaxiesCosmic dawnarXiv:2609.36076
- 06Sep 2026arXivCHAMPS: The COSMOS High-Redshift ALMA-MIRI Population Survey - A New Census of the Dusty Early UniverseA. L. Faisst, F. Martinez, J. S. Kartaltepe, M. Aravena, C. M. Casey, J. D. Silverman, S. Toft, E. Treister et al. (89 authors); UCSB: C. L. MartinGalaxiesCosmic dawnarXiv:2609.35992
- 07Sep 2026arXivCOSMOS-3D: Diverse Environments and Hot-dust Signatures among Dusty Star-forming Galaxies at z = 4.9-7.2S. Zou, M. Aravena, S. Geng, R. A. Meyer, J. Lyu, J. B. Champagne, J.-S. Huang, A. L. Faisst et al. (23 authors); UCSB: C. M. CaseyGalaxiesCosmic dawnarXiv:2609.35987
- 08Sep 2026arXivProbing the cosmic web with fast radio bursts: II. ScintillationS. Lapiner, N. Mandelker, P. Beniamini, S. P. OhGalaxiesarXiv:2609.31106
- 09Sep 2026arXivCalcium Triplet Absorption is Common around Little Red DotsJ. E. Greene, H. Liu, R. E. Hviding, R. P. Naidu, D. J. Setton, B. Wang, I. Labbe, V. Kokorev et al. (32 authors); UCSB: C. M. CaseyGalaxiesCosmic dawnarXiv:2609.25349
- 10Sep 2026arXivStar Formation and Nebular Attenuation from Paα, Brα, and Brβ in Massive Dust-obscured Galaxies at Cosmic Noon using JWSTV. Vanicek, J. McKinney, A. Pope, A. Sajina, S. Alberts, M. Stone, L. Armus, S. M. Manning et al. (17 authors); UCSB: C. CaseyGalaxiesCosmic dawnarXiv:2609.22428
- 11Sep 2026arXivALMA Chemical Evolution (ACE) survey: an overview -- extending dust and gas inference to low metallicities at cosmic noonI. Shivaei, G. Popping, L. A. Boogaard, A. Pope, I. Langan, R. Popescu, N. N. Geesink, M. Solimano et al. (16 authors); UCSB: C. M. CaseyGalaxiesCosmic dawnarXiv:2609.21604
- 12Sep 2026arXivA large overdensity of LRD-like galaxies discovered by JWST in the SPT2349-56 protocluster at z=4.30S. C. Chapman, K. A. Phadke, N. Sulzenauer, D. Zhou, H. Akins, M. Aravena, J. R. Burgoyne, C. M. Casey et al. (23 authors)GalaxiesCosmic dawnarXiv:2609.21337
- 13Sep 2026arXivJWST Spectra Conclusively Show an Excess of Neutral Gas Outflows in Quiescent Galaxies at z=2-5R. Oh, G. Khullar, A. S. Long, J. Sarmiento, H. B. Akins, C. M. Casey, Y. Cheng, A. L. Faisst et al. (18 authors)GalaxiesCosmic dawnarXiv:2609.09459
- 14Sep 2026arXivThe Roman eXtreme Deep Field (RXDF)H. Yan, A. M. Koekemoer, Y. Shen, B. Sun, N. A. Grogin, Z. Wu, C. K. Jespersen, R. Somerville et al. (130 authors); UCSB: C. M. CaseyGalaxiesCosmic dawnarXiv:2609.08145
- 15Sep 2026arXivJWST Reveals a Candidate Supermassive Black Hole Binary at z=4.3 in the Brightest Sub-millimeter Galaxy in COSMOS-WebJ. McKinney, A. Gupta, J. B. Munoz, J. Chisholm, C. M. Casey, S. M. Urbano Stawinski, O. Cooper, E. Lambrides et al. (16 authors)GalaxiesCosmic dawnarXiv:2609.01711
§ 05News
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