Thread by @El_Lobo_Rayado

Day 2 of #ESOz2020 conference. Simon Driver @ICRAR presents a panchromatic view of the Universe. Spectroscopic surveys have to get multiwavelength data, as galaxy evolution cannot be understood if information from x-ray to radio is not available (new #thread)

Simon Driver @ICRAR emphasises that getting the spectra energy distributions (SEDs) of galaxies is key for getting accurate estimations of galaxy properties (e.g. stellar masses, dust, star-formation rates & histories). Some examples provided #ESOz2020

Simon Driver discusses the problem of the mass in galaxies. Where is it? What is the baryon budget of galaxies? #ESOz2020

Simon Driver @ICRAR also talks about constraining energy in the Universe: for this many observational parameters (stellar populations, metallicity, dust...) are needed #ESOz2020

Before I forget, please find the #thread of my tweets for #ESOz2020 Day 1 here threadreaderapp.com/thread/1229011…

Next is Daniel Prole @MQPhysAstro @MQSciEng talking about “Probing the nature of large LSB (low surface brightness) galaxies using large sky surveys”. Ultra-diffuse galaxies discovered some decades ago, but “rediscovered” recently using Dragonfly Telephoto Array #ESOz2020

Daniel Prole @MQPhysAstro is presenting the main results of his PhD thesis at @ESO studying ultra diffuse galaxies in the field #ESOz2020

Now Elmo Tempel presents “The Cosmic Ballet: spin alignment of galaxies and haloes in the cosmic web”, that is a talk compiling the main results of research performed by Punyakoti Ganeshaiah Veena, references to @arXiver papers & conclusion slide included #ESOz2020

Next @_jessthorne Jessica Thorne @ICRAR presents “extracting star-formation histories using ProSpect”. The paper describing the ProSpect code developed by Robotham et al. appears today in @arXiver #ESOz2020

Jessica Thorne @_jessthorne @icrar et al checked that the ProSpect code worked (comparing results with semi-analytic Shark models by @CDPLagos ) and then use @devilsurvey data for recovering star-formation histories, which differ a lot from galaxy to galaxy #ESOz2020

Now in #ESOz2020 Nandini Sahu @Swinburne presents “New (Morphological Type)-dependent Black Hole Scaling Relations Linked to Physical Formation Processes”. Different correlations for ES/S0
and E galaxies. Take away points included

After the coffee break Andrew Hopkins @evil_dr_hopkins @AAOMacquarie @MQSciEng presents “Measuring the stellar initial mass function”, talk that is based on his 2018 review article in PASA #ESOz2020

Andrew Hopkins @evil_dr_hopkins @AAOMacquarie emphasises that the slope of the IMF (initial mass function) differ from galaxy to galaxy when studied in detail. Star-forming galaxies have flatter high-mass IMF slopes, passive galaxies steeper low-mass IMF slopes #ESOz2020

Andrew Hopkins @evil_dr_hopkins @AAOMacquarie also discusses IMF results from cosmic census measurements, where all of it leaves us (IMF is NOT universal) and summary slide #ESOz2020

Next Pavel Kroupa talks about “The systematically IMF and some consequences”. Again IMF (Initial Mass Function) depends on metallicity, the Integrated Galactic IMF (IGIMF) of a galaxy is obtain adding all IMFs of clusters #ESOz2020

Pavel Kroupa shows how the IGIMF changes from galaxy to galaxy and warns us that this induces a correction to the Halpha-based star-formation rates (SFR), particularly LOW mass galaxies (dwarfs and below) & starbursts. Conclusions slide included #ESOz2020

PhD student Thomas Davison is next in #ESOz2020 talking about “Measuring Ex-situ Populations in Galaxies”

Next is Brent Groves @ICRAR @scienceANU talking about “Tracing star formation (and not) on resolved galactic scales” using the Phangs survey, that includes MUSE/VLT @ESO, @HubbleTelescope & @almaobs data of 74 nearby galaxies #ESOz2020

A bit more info about the Phangs survey shown by Brent Groves @ICRAR @scienceANU #ESOz2020

But Brent Groves emphasises on the diffuse ionised gas using data of the Phangs survey: they identify not HII regions, the DIG is 45% of the total H-alpha emission in NGC 4535, similar results found before #ESOz2020

Summary of Brent Groves @ICRAR @scienceANU talk at #ESOz2020

Now Francesco Belfiore @ESO presents “Chemical enrichment in local disc galaxies” #ESOz2020

Francesco Belfiore @eso defines “The Golden Era of IFS” with 3 big galaxy surveys @CALIFAsurvey @SAMI_survey @MaNGASurvey. He presents results from @MaNGASurvey: resolved excitation, shape of metallicity gradients, ... #ESOz2020

Francesco Belfiore @ESO discusses what is next using the Phangs survey (described by Brent Groves in previous talk). Some amazing MUSE VLT @ESO results and summary slide #ESOz2020

After lunch Adam Stevens @ICRAR resumes #ESOz2020 with “The evolution of galaxies’ multi-phase gas reservoirs by environment”... (my talk is next, sorry if I’m not putting enough effort attending this...)

OK, let me quickly share my talk at #ESOz2020 with the main comments: current IFS surveys @CALIFAsurvey @SAMI_survey @MaNGASurvey don’t target many dwarf galaxies, spectra are usually not deep for faint missing lines, don’t have spatial resolution and don’t have resolved HI data

So we are conducting the Hi-KIDS survey using KOALA+AAOmega at 3.9m AAT: nearby dwarf galaxies for which we already have the interferometric HI data. The IFS resolution at 3 Mpc (NGC 5253) is just few tens of pc! #ESOz2020

These are the specific science objectives of the “HI KOALA IFS Dwarf galaxy Survey” (Hi-KIDS) that I’m leading #ESOz2020

72 dwarf nearby gas-rich galaxies have been already observed at the AAT. We’ve developed the PyKOALA code for reducing/analysing these data. Very preliminary results of POX 4 shown, plenty of emission lines, irregular morphology & kinematics #ESOz2020

OK, confession time: the majority of my research time in the last few years (when no observing/collaborating) has been used for developing the PyKOALA code... I’ve learned @AstroPython with that... yes, this 👇 was me sometimes... #ESOz2020

Another example in Hi-KIDS is the Blue Compact Dwarf Galaxy Tol 30: observing this galaxy (and others) with @CSIRO_ATNF ATCA interferometer was the reason I moved to 🇦🇺 13 years ago. Mosaiquing in PyKOALA still needs a bit work. Neutral gas shows tails & interactions #ESOz2020

So that is why we need a @bluemusevlt arxiv.org/abs/1906.01657 ! Hi-KIDS is a perfect survey for exploring the possibilities of having the blue end of the optical spectrum at @ESO VLT! Stay tuned for WORKSHOPS in Lyon & Sydney. Summary slide of my talk included. #ESOz2020

After my talk Garima Chauhan @ICRAR presents “How HI populates haloes: Simulations vs Observations” #ESOz2020

Then Simon Weng @CSIRO_ATNF @sifa_astro @ARC_ASTRO3D talks about “An HI-selected galaxy group at redshift z=0.45” combining HI in absorption from ASKAP (FLASH survey) plus MUSE VLT @ESO data #ESOz2020 (reference to @mundos55 in last slide)

Next Antonio Porras-Valverde presents “What role does stellar mass and halo mass play in determining galaxy quenching and morphological transformations for Dark Sage and IllustrisTNG galaxies?” #ESOz2020

Nice work done by Antonio Porras-Valverde on studying the star-formation quenching in galaxy models... although he confessed he had help from a cute quokka he met 2 days ago in beautiful Rottnest Island #ESOz2020

Sorry @GarimaChauhan92 ... I forgot to tag you!! Again, typing fast... nice talk!

Next Mojtaba Raouf talks about “Galaxies in different group relaxedness state”. He uses GAMA & @SAMI_survey data for identifying galaxies state #ESOz2020

Results and summary of the talk by Mojtaba Raouf #ESOz2020

Next Joop Schaye gives remotely the review talk “Simulating galaxy populations” #ESOz2020

Now Matías Andrés Bravo Santa Cruz(*) @ICRAR presents “From luminosity functions to colour distributions: tackling the next challenge in cosmological simulations” #ESOz2020 (*) full name as appears in the program, having 5 words and tildes might be very confusing for some of you

Matías Bravo @ICRAR compares models with GAMA survey data. Summary slide included #ESOz2020

Alessandro Sonnenfeld presents “The dark side of quiescent galaxies: secondary correlations between halo mass and galaxy properties at fixed stellar mass” #ESOz2020

Magic time! @threadreaderapp unroll please!