SJTU Astrocoffee

Organizers for 2023/2024:

• Zhiwei Shao (zwshao@sjtu.edu.cn)

SJTU Astrocoffee meets on Fridays at 10:00 am (GMT+8) at the TDLI.

10 Jan, 2025

• [Yunzhe Gu] No evidence (yet) for increased star-formation efficiency at early times

• [Zhibo Chen] Hα-X-ray Surface Brightness Correlation for Filaments in Cooling Flow Clusters 

• [Zhiwei Shao] Dwarf Galaxies in the TNG50 Field: connecting their Star-formation Rates with their Environments

• [Yuanye Lin] The puzzle of isolated and quenched dwarf galaxies in cosmic voids

03 Jan, 2025

• [Yunzhe Gu] Probing Long-Range Forces Between Neutrinos with Cosmic Structures

• [Zhiwei Shao] JWST UNCOVERs the Optical Size - Stellar Mass Relation at 4<z<8: Rapid Growth in the Sizes of Low Mass Galaxies in the First Billion Years of the Universe

• [Xin Li] A new constraint on galaxy-halo connections of [O II] emitters via HOD modelling with angular clustering and luminosity functions from the Subaru HSC survey

• [Qi'an Deng] Bar instability and formation timescale across Toomre's Q parameter and central mass concentration: slow bar formation or true stability

• [Yuanye Lin] Does the fundamental metallicity relation evolve with redshift? – II. The evolution in normalization of the mass–metallicity relation

• [Zhibo Chen] Revealing the physical properties of gas accreting to haloes in the EAGLE simulations

27 Dec, 2024

• [Yunzhe Gu] The redshift dependence of the inferred H0 in a local void solution to the Hubble tension

• [Zhiwei Shao] How do uncertainties in galaxy formation physics impact field-level galaxy bias?

• [Qi'an Deng] Euclid: Early Release Observations of diffuse stellar structures and globular clusters as probes of the mass assembly of galaxies in the Dorado group

• [Zhibo Chen] Cosmological Zoom-In Simulations of Milky Way Host Size Dark Matter Halos with a Blue-Tilted Primordial Power Spectrum

• [Xin Li] The DESI-Lensing Mock Challenge: large-scale cosmological analysis of 3x2-pt statistics 

13 Dec, 2024

• [Xin Li] Star formation beyond galaxies: widespread in-situ formation of intra-cluster stars

• [Yuanye Lin] The impact of large-scale structure on the anisotropic quenching of satellites

• [Yunzhe Gu] A 1% accurate method to include baryonic effects in galaxy-galaxy lensing models

• [Zhibo Chen] The impact of large-scale structure on the anisotropic quenching of satellites

• [Zhiwei Shao] The Impact of Halo Radius Definition on Subhalo Occupation Variation

06 Dec, 2024

• [Qi'an Deng] IllustrisTNG Insights: Factors Affecting the Presence of Bars in Disk Galaxies

• [Yuanye Lin] The importance of gas starvation in driving satellite quenching in galaxy groups at z∼0.8

• [Xin Li] Gravitational waves and galaxies cross-correlations: a forecast on GW biases for future detectors 

• [Zhibo Chen] Self-regulated growth of galaxy sizes along the star-forming main sequence

• [Zhiwei Shao] Signatures of black hole seeding in the local Universe: Predictions from the BRAHMA cosmological simulations

29 Nov, 2024

• [Yunzhe Gu] From larger-scale cold-gas angular-momentum environment to galaxy star-formation activeness

• [Zhiwei Shao] Evidence for Mass-dependent Evolution of Transitional Dwarf Galaxies in the Virgo Cluster

• [Yuanye Lin] No evidence for fast, galaxy-wide ionised outflows in a nearby quasar — the importance of accounting for beam smearing

• [Xin Li] Detecting clusters and groups of galaxies populating the local Universe in large optical spectroscopic surveys 

• [Zhibo Chen] Ageing and Quenching: Influence of Galaxy Environment and Nuclear Activity in Transition Stage

22 Nov, 2024

• [Zhiwei Shao] On the Average Ultraviolet Emission Line Spectra of High-Redshift Galaxies: Hot and Cold, Carbon-poor, Nitrogen-modest, and Oozing Ionizing Photons

• [Yuanye Lin] Quenching of Galaxies at Cosmic Noon: Understanding the Effect of Environment

• [Yunzhe Gu] Why is the Galactic disk so cool?

• [Xin Li] The Impact of Galaxy-halo Size Relations on Galaxy Clustering Signals 

• [Zhibo Chen] Charting the main sequence of star-forming galaxies out to redshifts z<5.7

14 Nov, 2024

• [Zhiwei Shao] The Impact of Star Formation and Feedback Recipes on the Stellar Mass and Interstellar Medium of High-Redshift Galaxies

• [Yunzhe Gu] The impact of the cosmological constant on past and future star formation

• [Yuanye Lin] What drives the HI content of central galaxies -- A comparison between hydrodynamic simulations and observations using Random Forest

• [Qi'an Deng] The Dependence of Dark Matter Halo Properties on the Morphology of Their Central Galaxies from Weak Lensing

• [Xin Li] The FENIKS Survey: Stellar-Halo Mass Relationship of Central and Satellite Galaxies in UDS and COSMOS at 0.2 < z < 4.5

• [Zhibo Chen] FAST drift scan survey for Hi intensity mapping: simulation on hunting Hi filament with pairwise stacking 

08 Nov, 2024

• [Xin Li] Line of Sight Bias in Dark Matter Inferences from Galaxy Cluster Mergers

• [Zhibo Chen] NGDEEP: The Star Formation and Ionization Properties of Galaxies at 1.7 < z < 3.4 

• [Yunzhe Gu] Capturing Turbulence with Numerical Dissipation: a Simple Dynamical Model for Unresolved Turbulence in Hydrodynamic Simulations

• [Yuanye Lin] Little Red Dots at an Inflection Point: Ubiquitous "V-Shaped" Turnover Consistently Occurs at the Balmer Limit

• [Zhiwei Shao] The tidal evolution of anisotropic subhaloes: A new pathway to creating isotropic and cored satellites 

25 Oct, 2024

• [Zhiwei Shao] A dynamics-based density profile for dark haloes -- III. Parameter space

• [Qi'an Deng] The impact of the local stellar radiation on the formation and evolution of dwarfs in and near Milky Way analogue 

• [Zhibo Chen] Counting stars from the integrated spectra of galaxies 

• [Xin Li] Generalized rotation curves of the Milky Way from the GAIA DR3 data-set: constraints on mass models

• [Yunzhe Gu] Cooling Flows as a Reference Solution for the Hot Circumgalactic Medium

18 Oct, 2024

• [Yunzhe Gu] The Physical Origin of Extreme Emission Line Galaxies at High redshifts: Strong [Oiii] Emission Lines Produced by Obscured AGNs

• [Yuanye Lin] Scylla III. The Outside-In Radial Age Gradient in the Small Magellanic Cloud and the Star Formation Histories of the Main Body, Wing and Outer Regions

• [Xin Li] Optical galaxy cluster mock catalogs with realistic projection effects: validations with the SDSS redMaPPer clusters 

• [Zhiwei Shao] Multi-wavelength constraints on the local black hole occupation fraction 

11 Oct, 2024

• [Zhiwei Shao] Constraining the Low Mass End of the Stellar Halo Mass Relation with Surveys of Satellite Galaxies 

• [Yuanye Lin] The metallicity dilution in local massive early-type galaxies

• [Zhibo Chen] JWST captures a sudden stellar outburst and inner disk wall destruction 

• [Xin Li] Age-dating early quiescent galaxies: high star-formation efficiency, but consistent with direct, higher-redshift observations

• [Yunzhe Gu] Baryonic Ecosystem in Galaxies (BEINGMgII) -- II. Unveiling the Nature of Galaxies Harboring Cool Gas Reservoirs

20 Sep, 2024

• [Yunjia Song] The Three Hundred: The existence of massive dark matter-deficient satellite galaxies in cosmological simulations 

• [Zhibo Chen] The Ones That Got Away: Chemical Tagging of Globular Cluster-Origin Stars with Gaia BP/RP Spectra

• [Yunzhe Gu] JWST Reveals Bulge-Dominated Star-forming Galaxies at Cosmic Noon

• [Yuanye Lin] Probing the Origin of the Star Formation Excess Discovered by JWST through Gamma-Ray Burst

13 Sep, 2024

• [Qi'an Deng]  Physical Processes Behind the Co-Evolution of Halos, Galaxies and Supermassive Black Holes in the IllustrisTNG Simulation

• [Yuanye Lin]  Genesis-Metallicity: Universal Non-Parametric Gas-Phase Metallicity Estimation

• [Zhibo Chen] Detection of gas inflow during the onset of a starburst in a low-mass galaxy at z=2.45 

• [Zhiwei Shao]  BASILISK II. Improved Constraints on the Galaxy-Halo Connection from Satellite Kinematics in SDSS

06 Sep, 2024

• [Yunzhe Gu] AGN-driven outflow shuts down star formation in a z=4 recently quenched galaxy

• [Qi'an Deng] The redshift evolution of galactic bar pattern speed in TNG50

• [Zhiwei Shao] The impact of baryons on the internal structure of dark matter haloes from dwarf galaxies to superclusters in the redshift range 0<z<7

• [Zhibo Chen] Metal line emission around z<1 galaxies 

Links:

• OSU daily coffee: http://www.astronomy.ohio-state.edu/Coffee/coffee.html

• astro-ph: https://arxiv.org/list/astro-ph/new

past years:

• 2024 Spring

website credit: Yunjia Song with format heavily based on the ccapp cosmolunch page at https://sites.google.com/site/ccappcosmolunch.