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Alvaro Hacar

@cosmicfiber.bsky.social
70 followers 75 following 14 posts

Assoc. Prof. in Astrophysics at the University of Vienna. Interests on Interstellar Medium, star formation, ALMA, radioastronomy, filaments and clouds

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Reposted by Alvaro Hacar
ESO @eso.org · 22/07/2026
Falling into the web! 🕸️ Fly to the Orion Nebula, located 1350 light-years away and the nearest region of massive star formation to Earth. But what are those wispy, web-like structures seen in the final image?  🔭 1/2
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Reposted by Alvaro Hacar
ESO @eso.org · 22/07/2026
Discover it: www.eso.org/public/news/eso1809 2/2 Video by ESO, N. Risinger, H. Drass, A. Hacar, ALMA (ESO/NAOJ/NRAO). Music by Johan B. Monell.
eso.org
ALMA Reveals Inner Web of Stellar Nursery
New data from the Atacama Large Millimeter/submillimeter Array (ALMA) and other telescopes have been used to create this stunning image showing a web of filaments in the Orion Nebula. These features appear red-hot and fiery in this dramatic picture, but in reality are so cold that astronomers must u...
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Reposted by Alvaro Hacar
Universität Wien / University of Vienna @univie.ac.at · 09/07/2026
The findings expose the complex relationship of star-forming regions with their environment and suggest that the #OrionNebula has been shaped by multiple episodes of stellar feedback rather than a single expanding bubble. Find out more about this in the University of Vienna's press release: ⤵️ 🔍
univie.ac.at
The ghost in Orion's shell
New radio observations reveal hidden structures around the Orion Nebula
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Reposted by Alvaro Hacar
ESO @eso.org · 02/07/2026
A new ESO study has found devastating consequences for astronomy from these current plans. #ChasingStarlight host Suzanna Randall has sat down with Olivier Hainaut, author of the study, to discuss the findings 👉 www.youtube.com/watch?v=LJNw... 🔭 🧪 ☄️ #DarkSkies 2/2
The background of this image shows a starry sky, including the bright lane of the Milky Way. Hundreds of bright streaks cross the sky in different directions, as if scratching the background natural sky behind it. The bottom of the image is occupied by the dark silhouette of a mountainous desert landscape. Atop the mountain at the centre, is a small, distant metallic dome and yellow-orange lasers shine behind it. An overlaid text reads 'Astronomy in danger'. The ESO logo is visible in the top right corner.
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Reposted by Alvaro Hacar
ESA Space Science @science.esa.int · 05/06/2026
Webb unveils young stars across every stage of formation in this spectacular view from the Orion Molecular Clouds. Explore the image to spot: 🛜 shockwaves from hidden protostars 🥏 protoplanetary discs and 🌟 large, bright stars 🔭 🧪 1/2
An area inside a star-forming molecular cloud. The background is covered with layers of gas and dust in blue, green and yellowish colours. Thicker clumps of cold dust, dark brown to black, block out light completely. Stars lie among and atop the clouds, from small orange ones to large white or blue ones. Waves and streams of glowing whitish gas are created by jets from protostars colliding with the surrounding material. Credit: ESA/Webb, NASA & CSA, T. Megeath, M. Zamani (ESA/Webb); Acknowledgement: M. Özsaraç.
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Alvaro Hacar @cosmicfiber.bsky.social · 27/05/2026
Gute Nacht Forschung #UnisRetten
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Alvaro Hacar @cosmicfiber.bsky.social · 27/05/2026
#UnisRetten
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Alvaro Hacar @cosmicfiber.bsky.social · 27/05/2026
#UniRetten
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Reposted by Alvaro Hacar
Universität Wien / University of Vienna @univie.ac.at · 20/05/2026
Unis rufen zu Demos gegen Kürzungen auf‼️ Die Unis befürchten Einsparungen von einer Mrd. Euro im #Budget. Rektorensprecherin Brigitte Hütter sprach bei einer Pressekonferenz von einem "Supergau" für Unis, Wirtschaft und Gesellschaft. Rektor Schütze sprach von enormen Schaden für die Reputation. ⤵️
univie.ac.at
Budget - Unis rufen zu Demos gegen Kürzungen auf
Rektor Schütze:
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Reposted by Alvaro Hacar
Universität Wien / University of Vienna @univie.ac.at · 14/04/2026
Ein internationales Team unter Beteiligung von Sylvia Ploeckinger von der Universität Wien entwickelte mit COLIBRE eine neue Sammlung kosmologischer Simulationen: Die virtuellen Universen bieten das bisher realistischste Bild der Galaxienentstehung und -entwicklung seit nahezu Anbeginn der Zeit. ⤵️🔭🌌
univie.ac.at
Die kalte und staubige Seite der Galaxienentstehung
Neue Simulationen bestätigen kosmologisches Standardmodell – COLIBRE macht Galaxien-Entwicklung auch hörbar
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Reposted by Alvaro Hacar
Heidi Weinhäupl @hweinhaeupl.bsky.social · 11/02/2026
To mark the February 11, the International Day of Women and Girls in Science, some of the numerous skilled, committed and inspiring women working as scientists at the Faculty of Earth Sciences, Geography and Astronomy @univie.ac.at present themselves in a multifaceted photo collage.
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Reposted by Alvaro Hacar
Universität Wien / University of Vienna @univie.ac.at · 11/02/2026
📣 Reminder: E-STEEM Call 👩‍🔬 Deadline: 📅2 March 2026, 14:00 CET The University of Vienna awards at least 20 four-year and full-time (40h/week) #postdoctoral positions to outstanding female scientists in natural sciences, life sciences & economics #AcademicSky #STEM Find all information here: ⤵️
careers.univie.ac.at
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Reposted by Alvaro Hacar
Atacama Large Aperture Submillimeter Telescope @atlastdesign.bsky.social · 27/01/2026
Iberian AtLAST Days — 4–5 June 2026 — Universidad Complutense de Madrid Calling all astronomers, instrument builders, and data scientists in Spain and Portugal! Join us to kick off community engagement around AtLAST, the future 50m class (sub‑)mm telescope. www.atlast.uio.no/news-and-eve...
atlast.uio.no
Iberian AtLAST days 2026 - AtLAST
This event will bring together the Spanish and Portuguese (sub-)mm communities to foster scientific and technical synergies around the future AtLAST facility.
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Reposted by Alvaro Hacar
Atacama Large Aperture Submillimeter Telescope @atlastdesign.bsky.social · 27/01/2026
Iberian AtLAST Days — 4–5 Junio 2026 ¡Buscamos astrónom@s y constructor@s de instrumentación astronómica de España/Portugal! Ayúdanos a hacer comunidad en torno a #AtLAST, el futuro telescopio sub-mm de 50m diseñado para transformar nuestra visión del Cosmos. www.atlast.uio.no/news-and-eve...
atlast.uio.no
Iberian AtLAST days 2026 - AtLAST
This event will bring together the Spanish and Portuguese (sub-)mm communities to foster scientific and technical synergies around the future AtLAST facility.
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Reposted by Alvaro Hacar
Atacama Large Aperture Submillimeter Telescope @atlastdesign.bsky.social · 27/01/2026
Iberian AtLAST Days — 4–5 junho 2026 — Universidad Complutense de Madrid Chamamos astrónom@s, construtor@s de instrumentação e cientistas de dados de Portugal e Espanha! Vamos criar comunidade em torno do #AtLAST, o futuro telescópio sub-mm de 50 m. www.atlast.uio.no/news-and-eve...
atlast.uio.no
Iberian AtLAST days 2026 - AtLAST
This event will bring together the Spanish and Portuguese (sub-)mm communities to foster scientific and technical synergies around the future AtLAST facility.
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Alvaro Hacar @cosmicfiber.bsky.social · 23/01/2026
The Star Formation Newsletter is back! @joaoalves.bsky.social starformationnews.org/editorials/2...
starformationnews.org
We-are-back - 2026 - Editorials - The Star Formation Newsletter
Since its founding in 1992, The Star Formation Newsletter has been the premier way to keep up with new research in star and planet formation.
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Alvaro Hacar @cosmicfiber.bsky.social · 11/01/2026
20 Postdoc positions for female researchers at University of Vienna: careers.univie.ac.at/en/postdoc/e... You can find several potential mentors for Astronomy candidates: careers.univie.ac.at/en/postdoc/e... #univie
careers.univie.ac.at
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Reposted by Alvaro Hacar
Emily Hunt @emily.space · 15/09/2025
This week I'm at @stellarorigins2025.bsky.social! Will try and post some of the talks and results I see It's really cool to see astro conferences using Bluesky! #stellarorigins2025 🔭☄️
A picture of the organizer (Alvaro Hacar) advertising the conference's Bluesky account and the conference hashtag
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Reposted by Alvaro Hacar
Stellar Origins 2025 @ Vienna @stellarorigins2025.bsky.social · 09/09/2025
Next monday the Stellar Origins conference starts. Have an eye on our social events as well. For young researchers in particular, there will be an event on tuesday evening. Check out our website for more information: stellarorigins2025.univie.ac.at/social/
stellarorigins2025.univie.ac.at
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Reposted by Alvaro Hacar
Stellar Origins 2025 @ Vienna @stellarorigins2025.bsky.social · 28/08/2025
T-17! To make the wait go by a bit faster, check out the many interesting poster contributions. The best two posters at the conference will be awarded with a poster prize and an invitation to a contributed talk 🔭 #stellarorigins2025 stellarorigins2025.univie.ac.at/posters/
stellarorigins2025.univie.ac.at
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Reposted by Alvaro Hacar
Heidi Weinhäupl @hweinhaeupl.bsky.social · 25/08/2025
In two weeks, the Stellar Origins 2025 conference starts in Vienna! Check out the programme 👉 stellarorigins2025.univie.ac.at/program/ and follow @stellarorigins2025.bsky.social for the latests results on star formation and what we have learned from ALMA, JWST, and Gaia observations 🔭💫 @univie.ac.at
stellarorigins2025.univie.ac.at
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Reposted by Alvaro Hacar
Stellar Origins 2025 @ Vienna @stellarorigins2025.bsky.social · 20/08/2025
Check out the latest updates on our website. For example, the schedule is now online🥳 You can see the titles of the presentations, as well as of the posters! stellarorigins2025.univie.ac.at/program
stellarorigins2025.univie.ac.at
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Reposted by Alvaro Hacar
Stellar Origins 2025 @ Vienna @stellarorigins2025.bsky.social · 13/08/2025
Just about a month until we kick off "Stellar Origins" in Vienna! 👀 Until then, we'll keep you updated here with news on the scientific program and some sneak peeks of what else we have planned for you! Stay tuned and tell your friends! #stellarorigins2025
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Reposted by Alvaro Hacar
Stellar Origins 2025 @ Vienna @stellarorigins2025.bsky.social · 02/06/2025
Thanks for the great response to our call for abstracts. We have a hard work ahead to select the best applications. We got 250+ applications for 120 seats! 😱😱
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Reposted by Alvaro Hacar
Universität Wien / University of Vienna @univie.ac.at · 26/05/2025
The #StellarOrigins conference takes place at #univie 15 - 19 September 2025. The submission deadline is on 30 May - don't miss it! For more information, registration and abstract submission, click here: stellarorigins2025.univie.ac.at/registration/ 🔭✨
stellarorigins2025.univie.ac.at
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Reposted by Alvaro Hacar
Stellar Origins 2025 @ Vienna @stellarorigins2025.bsky.social · 11/05/2025
A kind reminder of the abstract submission deadline for our Stellar Origins 2025 conference on **May 30, 2025** Link and information: stellarorigins2025.univie.ac.at/registration/ More info: stellarorigins2025.univie.ac.at #stellarorigins2025
stellarorigins2025.univie.ac.at
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Reposted by Alvaro Hacar
Stellar Origins 2025 @ Vienna @stellarorigins2025.bsky.social · 08/04/2025
It is our great pleasure to announce that the Abstract Submission period for our Stellar Origins 2025 conference is now open. ** Deadline 30/05/2025 ** Link and information: stellarorigins2025.univie.ac.at/registration/ More info: stellarorigins2025.univie.ac.at #stellarorigins2025
stellarorigins2025.univie.ac.at
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Reposted by Alvaro Hacar
Fun Fact Science with Kovi @funfactscience.com · 22/01/2025
Every astronomer the first time they do reduce radio observations 🥴 #radioastronomy #astronomy
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Stellar Origins 2025 @ Vienna @stellarorigins2025.bsky.social · 30/01/2025
Dear all, this is the 2nd announcement of our StellarOrigins2025 conference, this time including the list of invited speakers! #stellarorigins2025 website: stellarorigins2025.univie.ac.at Subscribe to our mailing list
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Reposted by Alvaro Hacar
Stellar Origins 2025 @ Vienna @stellarorigins2025.bsky.social · 18/12/2024
Dear all, it is our great pleasure to release the 1st announcement of our StellarOrigins2025 conference! #stellarorigins2025 website: stellarorigins2025.univie.ac.at
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