SJTU Astrocoffee

Organizers for 2023/2024:

• Zhiwei Shao (zwshao@sjtu.edu.cn)

SJTU Astrocoffee meets on Wednesdays at 10:00 am (GMT+8) in the large conference room.

June 26, 2024

• [Yunzhe Gu] Predicting the 21 cm field with a Hybrid Effective Field Theory approach

• [Qi'an Deng] Our Halo of Ice and Fire: Strong Kinematic Asymmetries in the Galactic Halo

• [Yuanye Lin] Galaxy evolution in compact groups II. Witnessing the influence of major structures in their evolution

• [Zhiwei Shao] The earliest phases of CNO enrichment in galaxies

June 19, 2024

• [Qi'an Deng] Bar formation and evolution in the cosmological context: Inputs from the  Auriga simulations 

• [Yuanye Lin] COSMOS-Web: The over-abundance and physical nature of “little red dots”—Implications for early galaxy and SMBH assembly

• [Yunzhe Gu] A Generative Model for Realistic Galaxy Cluster X-ray Morphologies

• [Zhiwei Shao] Subhalos are Distributed Anisotropically About Their Hosts

June 12, 2024

• [Yunjia Song] How much do we know the halo mass function? Predictions beyond resolution. 

• [Qi'an Deng] A comparison of pre-existing ΛCDM predictions with the abundance of JWST galaxies at high redshift

• [Yunzhe Gu] Dynamics-based halo model for large scale structure

• [Zhiwei Shao] CLASSY X: Highlighting Differences Between Partial Covering and Semi-Analytic Modeling in the Estimate of Galactic Outflow Properties

June 4, 2024

• [Qi'an Deng] The Three Hundred project: Estimating the dependence of gas filaments on the mass of galaxy clusters 

• [Yunzhe Gu] Modelling the redshift-space cluster-galaxy correlation function on Mpc scales with emulation of the pairwise velocity distribution

• [Yuanye Lin] Star formation activity of low-mass galaxies at the peak epoch of galaxy formation probed by deep narrow-band imaging

• [Zhiwei Shao] Dynamical friction from self-interacting dark matter

May 29, 2024

• [Qi'an Deng] UVCANDELS: The role of dust on the stellar mass−size relation of disk galaxies at 0.5 ≤z≤ 3.0 

• [Yunjia Song] Massive Star Cluster Formation II. Runaway Stars as Fossils of Sub-Cluster Mergers 

• [Zhiwei Shao] A Model for Eruptive Mass Loss in Massive Stars 

• [Yunzhe Gu] Host-galaxy stars can dominate the ionizing radiation field of the circumgalactic medium in galaxies at Cosmic Noon

• [Yuanye Lin] Why are thermally- and cosmic ray-driven galactic winds fundamentally different?

May 22, 2024

• [Yunjia Song] Evolution of central galaxy alignments in simulations 

• [Zhiwei Shao] The Sunburst Arc with JWST: II. Observations of an Eta Carinae Analog at z=2.37 

• [Jiaqi Wang] New observational recipes for measuring dynamical state of galaxy clusters

• [Qi'an Deng] The rotation of classical bulges in barred galaxies in the presence of gas

• [Yunzhe Gu] Investigation of the Radial Profile of Galactic Magnetic Fields using Rotation Measure of Background Quasars

May 15, 2024

• [Zhiwei Shao] Do spiral arms enhance star formation efficiency?

• [Yuanye Lin] Feedback mechanisms stopping the star formation in a pair of massive galaxies in the early Universe

• [Yunzhe Gu] X-ray signatures of galactic outflows into the circumgalactic medium

May 8, 2024

• [Jiaqi Wang] The SRG/eROSITA All-Sky Survey: Exploring halo assembly bias with X-ray selected superclusters

• [Yunjia Song] Comparing the interstellar and circumgalactic origin of gas in the tails of jellyfish galaxies 

• [Yuanye Lin] The JWST EXCELS survey: Too much, too young, too fast? Ultra-massive quiescent galaxies at 3 < z < 5

• [Qi'an Deng] Evolution of HOD and galaxy properties in filaments and nodes of the cosmic web

• [Zhiwei Shao] The galaxy-galaxy strong lensing cross section and the internal distribution of matter in ΛCDM substructure

• [Yunzhe Gu] Hydrodynamical simulations of merging galaxy clusters: giant dark matter particle colliders, powered by gravity

April 24, 2024

• [Jiaqi Wang] The CAVITY project. The spatially resolved stellar population properties of galaxies in voids

• [Qi'an Deng] The impact of stellar bars on quenching star formation: insights from a spatially resolved analysis in the local Universe

• [Zhiwei Shao] The Sunburst Arc with JWST: Detection of Wolf-Rayet stars injecting nitrogen into a low-metallicity, z=2.37 proto-globular cluster leaking ionizing photons

• [Yunzhe Gu] Searching for cold gas traced by MgII quasar absorbers in massive X-ray-selected galaxy clusters

• [Yuanye Lin] The Environment Dependence of the Stellar Mass - Gas Metallicity Relation in Horizon Run 5

April 17, 2024

• [Jiaqi Wang] Dark matter free dwarf galaxy formation at the the tips of the tentacles of jellyfish galaxies

• [Yunjia Song] The Effects of Stellar and AGN Feedback on the Cosmic Star Formation History in the Simba Simulations 

• [Qi'an Deng] Katachi: Decoding the Imprints of Past Star Formation on Present Day Morphology in Galaxies with Interpretable CNNs 

• [Yuanye Lin] The MOSDEF Survey: Properties of Warm Ionised Outflows at z=1.4-3.8

• [Yunzhe Gu] Physical and Chemical Properties of Galactic Molecular Gas toward QSO J1851+0035

• [Zhiwei Shao] Reionization after JWST: a photon budget crisis?

April 10, 2024

• [Qi'an Deng] Gas-rich Ultra-diffuse Galaxies Are Originated from High Specific Angular Momentum 

• [Yunjia Song] Intrinsic mass-richness relation of clusters from THE THREE HUNDRED hydrodynamic simulations 

• [Yuanye Lin] MusE GAs FLOw and Wind (MEGAFLOW) XI. Scaling relations between outflows and host galaxy properties

• [Yunzhe Gu] Derivative Spectroscopy and its Application at Detecting the Weak Emission/Absorption Lines

April 3, 2024

• [Yunjia Song] Can the splashback radius be an observable boundary of galaxy clusters? 

• [Qi'an Deng] Connection between galaxy morphology and dark-matter halo structure I: a running threshold for thin discs and size predictors from the dark sector 

• [Yuanye Lin] The galaxy cluster AC114 III. The role of galaxy clusters in the mass-metallicity relation

• [Jiaqi Wang] The Hierarchical Cosmic Web and Assembly Bias

• [Yunzhe Gu] It's a Breeze: The Circumgalactic Medium of a Dwarf Galaxy is Easy to Strip

• [Zhiwei Shao] Ancient stellar populations in the outskirts of nearby grand-design spirals: Investigation of their star formation histories

Mar 27, 2024

• [Qi'an Deng] The Impact of Feedback-driven Outflows on Bar Formation 

• [Zhiwei Shao] Evidence of extreme ionization conditions and low metallicity in GHZ2/GLASS-z12 from a combined analysis of NIRSpec and MIRI observations 

• [Yunjia Song] Constraint on magnetized galactic outflows from LOFAR rotation measure data 

• [Jiaqi Wang] First investigation of void statistics in numerical relativity simulations

• [Yuanye Lin] A spectacular galactic scale magnetohydrodynamic powered wind in ESO 320-G030

• [Yunzhe Gu] The Effect of Cosmic Rays on the Observational Properties of the CGM

Mar 20, 2024

• [Yunjia Song] Suppression of Star Formation in Galaxy Pairs 

• [Yuanye Lin] Detection of ionized hydrogen and oxygen from a very luminous and young galaxy 13.4 billion years ago

• [Qi'an Deng] The Next Generation Virgo Cluster Survey (NGVS). XXVII.The Size and Structure of Globular Cluster Systems and their Connection to Dark Matter Halos

• [Zhiwei Shao] TangoSIDM Project: Is the Stellar Mass Tully-Fisher relation consistent with SIDM?

• [Yunzhe Gu] Probing cold gas with Mg II and Lyα radiative transfer

Mar 13, 2024

• [Qi'an Deng] Star-forming and Quiescent Central Galaxies Cluster Similarly: Implications for the Galaxy-Halo Connection

• [Yunjia Song] Star formation beyond galaxies: widespread in-situ formation of intra-cluster stars in TNG50

• [Zhiwei Shao] Sliding into DM: Determining the local dark matter density and speed distribution using only the local circular speed of the Galaxy

• [Yunzhe Gu] Entrainment of Hot Gas into Cold Streams: The Origin of Excessive Star-formation Rates at Cosmic Noon

• [Xin Li] Charting the main sequence of star-forming galaxies out to redshifts z ∼ 7

• [Yuanye Lin] Insights into Galaxy Morphology and Star Formation: Unveiling Filamentary Structures around an Extreme Overdensity at  z∼1.5 Traced by [OII] Emitters

• [Zhibo Chen] Probing the stellar populations and star formation history of early-type galaxies at 0 < z < 1.1 in the rest-frame ultraviolet

Mar 6, 2024

• [Qi'an Deng] Do galaxy mergers prefer under-dense environments?

• [Yunzhe Gu] MIGHTEE-HI: HI galaxy properties in the large scale structure environment at z~0.37 from a stacking experiment

• [Yunjia Song] Interacting galaxies in the IllustrisTNG simulations -- VI: Reconstructed orbits, close encounters and mergers

• [Yuanye Lin] JWST/MIRI unveils the stellar component of the GN20 dusty galaxy overdensity at z=4.05

• [Zhiwei Shao] The evolution of the SFR and ΣSFR of galaxies in cosmic morning (4<z<10) 

• [Xin Li] Redshift evolution and covariances for joint lensing and clustering studies with DESI Y1 

• [Zhibo Chen] Cosmic-ray diffusion in two local filamentary clouds

Feb 28, 2024

• [Zhiwei Shao] Baryonic properties of nearby galaxies across the stellar-to-total dynamical mass relation 

• [Yuanye Lin] Effective yields as tracers of feedback effects on metallicity scaling relations in the EAGLE cosmological simulations

• [Qi'an Deng] The morphological mix of dwarf galaxies in the nearby Universe

• [Yunjia Song] Velocity Dispersions of Quiescent Galaxies in IllustirisTNG

• [Yunzhe Gu] AGN feedback in isolated galaxies with a SMUGGLE multiphase ISM

• [Xin Li] Can Early Dark Energy be Probed by the High-Redshift Galaxy Abundance?

• [Zhibo Chen] Galaxy stellar and total mass estimation using machine learning

Feb 21, 2024

• [Yunjia Song] The boundary of cosmic filaments 

• [Yuanye Lin] SAGAbg I: A Near-Unity Mass Loading Factor in Low-Mass Galaxies via their Low-Redshift Evolution in Stellar Mass, Oxygen Abundance, and Star Formation Rate

• [Yunzhe Gu] The Cosmic Ultraviolet Baryon Survey (CUBS) VII: on the warm-hot circumgalactic medium probed by O VI and Ne VIII at 0.4 ≲ z ≲ 0.7

• [Zhiwei Shao] LyA emission in galaxies at z ≃ 5 − 6: new insight from JWST into the statistical distributions of LyA properties at the end of reionization

• [Xin Li] An environment-dependent halo mass function as a driver for the early quenching of z ≥1.5 cluster galaxies

• [Zhibo Chen] Constraining the stellar populations of ultra-diffuse galaxies in the MATLAS survey using spectral energy distribution fitting

Links:

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

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

past years:

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