Reposted by ELSA: Euclid Legacy Science Advanced analysis tools
Also: how long before nearly everyone in astronomy gets an Erdös number of 3? As someone in Euclid pointed out, Bob Nichol (E=2) is also on this monster paper... 🔭🧪 ui.adsabs.harvard.edu/abs/2017ApJ....
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Random ESA Euclid fact: because of these three papers, nearly everyone in the Euclid consortium now has an Erdös number of 3 🧪🔭 (1) arxiv.org/abs/2405.13491 (2) ui.adsabs.harvard.edu/abs/2002AAS.... (3) books.google.co.uk/books?id=nw9...
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The European Space Agency's guide to the new images from Euclid 🧪🔭 www.esa.int/Science_Expl...
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And here it is! Euclid press release on the early release observations 🔭🧪 www.euclid-ec.org/public/press...
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Tune in on YouTube in less than 10 minutes to see the announcement of the Euclid early release observations 🎉 🔭🧪 www.youtube.com/watch?v=vwwZ...
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The Euclid consortium have a big spash coming tomorrow... Watch this space for the first results from Thursday, 23 May, 12:00 CEST, and shortly afterwards on arXiv... #EuclidLeaks #science #astronomy #astrodon #space 🔭🧪
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Also: the first publication to acknowledge ELSA Horizon Europe funding 🥳 🔭
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Marvellous news from the ESA Euclid team announced on 🐦 !
🎉🥳🍾
🧪🔭
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Our answser: we'll try pattern matching (like Gravity Spy) & image segmentation for spectra (like GZ Clump Scout).
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This week is also the #Euclid Galaxy/AGN Evolution meeting in Bologna, where our PI Margherita presented the project. Audience Q: how to engage volunteers on the hard problem of slitless spectra, eg Galaxy Nurseries was tricky for volunteers? 🧪🔭
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Belatedly, here are a few key slides from the Dissemination, Engagement and Citizen Science talk. Besides showing our social media comms channels, we explained why we need & use crowdsourced data mining (citizen science)
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Some beautiful logo options! Not yet proper to share in public, but excellent work by a graphic artist who will work up some final options for voting on. Finally our first formal ELSA General Assembly!
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I'll put some summaries of my talk in here later, but first our next talk is Viola Allevato on some options for our ELSA logo (our current snowflake icon is just provisional)
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First talk after lunch is me @stephenserjeant.bsky.social to talk about our Dissemination, Engagement and Citizen Science work package, so I won't live-skeet!
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Our data(+code?) needs to be Findable, Accessible, Interoperable and Reusable (FAIR). GitHub is great for developing, testing & maintaining code, but connect to Zenodo (one button!) to publish FAIR code. Our first draft DMP is due in June 2024...
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Giulia Caldoni, Data Steward in the Research Services Division in Bologna, now briefing us on the open science requirements and our Data Management Plan deliverable. Publication embargos are no longer allowed in Horizon. Peer-reviewed papers on arXiv are ok; APCs not funded in Horizon. A&A OA is ok.
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Some catastrophic photo-z failures in template fitting but these are reduced with ML. Also tested on a COSMOS-like reference sample. Lots of multi-wavelength data for EDF from MeerKAT/LOFAR(2.0) to VISTA,HSC,Spitzer can help with deblending - could use GANs?
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Next up is Andrea Enia, with a science talk on recovering of galaxy physical properties with template fitting and ML (Euclid paper in prep). They used MAMBO to simulate four Euclid surveys (Wide, Deep, calib16 and calib25), fitted with templateS, deep NN, CatBoost single+chained regressors, & NNPZ
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Another application of supervised machine learning is to use human classifications as labels, already successfully demonstrated with clumpy galaxies. Also will deploy unsupervised learning (eg VAE) for photometry and specta, using clustering in latent space to classify and find rare objects
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Day 2 of our ELSA Euclid kick-off meeting! First up is Sotiria Fotopoulou on our Machine Learning work package. They will use the AstronomicAL visualisation tool. Euclid data are BIG: 1B galaxies, 100M spectra - use supervised learning to get physical properties, and deblend overlapping spectra 🧪🔭
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Obligatory conference photos from our kick off meeting today!
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Now Ben Granett is presenting ELSA WP3 on advanced 2D reconstructed spectra in Euclid, using forward modelling. Very nice proof of concept with a simulated strong gravitational lens. Other applications include galaxy kinematics
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Salvatore Quai is next, with a science talk on spectral stacking using MAMBO simulations (based on Millenium dark matter haloes and the Empirical Galaxy Generator), with a powerful stackSpec python routine. Nice showcase of simulated SFR-Mstar relation
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After lunch and more policy chats, we're on to Lucia Pozzetti talking about WP2, on advanced analysis of 1d spectra. 30 million galaxies with spectra and spectro-z in the wide survey alone! ELSA extracting physical parameters and making spectral stacks.
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Martina Morabito is next, our ELSA Project Manager, talking about our management WP, acquisition of our computing resources (ELSA needs lots 🤖), and more. Remember to credit the EC grant in all our outputs, including papers! (It's in the banner of this bluesky account.)
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Next up, Gisèle Van Bunnen, our Project Officer from the European Commission, giving us an overview of the processes involved in our funding, deliverables, reviews etc. We're part of €5.6bn for industry/space/digital in Horizon 😮 This is 🇪🇺&🇬🇧 public € so we must report in some detail on all costs.
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Our PI, Margherita Talia, kicking things off with an intro to Euclid and our project. We proposed it before Euclid’s launch - since then Euclid launched successfully and the first images are beautiful www.esa.int/Science_Expl...
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Looking forward to our kick-off meeting this week in Bologna, where also our friends in the strong gravitational lensing and galaxy/AGN evolution working groups are meeting. It’ll be quite the ESA Euclid get-together! 🧪🔭 eventi.unibo.it/elsa-kom-2024
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Thank you 😊
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Thank you! 😊
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Thank you! 😊
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Thank you! 😊
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😊
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Hello Dani! Could we be added to the Science feed please? This account is run by @stephenserjeant.bsky.social and our provisional project website is at elsa-euclid.github.io . Many thanks
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Hello Bluesky! We're the ELSA project, pushing the boundaries of spectroscopy with the ESA Euclid space telescope.
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