Dr. Stéphanie Juneau
@stephajuneau.bsky.social
510 followers 250 following 14 posts
Astrophysicist, supermassive black hole hunter, artist, public speaker, français/English/québécois
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stephajuneau.bsky.social
If you have a few mins and have used (or you're thinking about using) the Astro Data Lab, our team would love to hear from you!
Reposted by Dr. Stéphanie Juneau
astrodatalab.bsky.social
The first annual Astro Data Lab user survey closes tomorrow, September 30. If you haven’t already, please fill it out to help shape the future of the Data Lab!

👉 User Survey: datalab.noirlab.edu/usersurvey

#astronomy 🔭
Reposted by Dr. Stéphanie Juneau
nsfsimonscosmicai.bsky.social
Exciting news! Introducing AstroVisBench: A Code Benchmark for Scientific Computing and Visualization in Astronomy!

A new benchmark developed by researchers at the NSF-Simons AI Institute for Cosmic Origins is testing how well LLMs implement scientific workflows in astronomy and visualize results.
Reposted by Dr. Stéphanie Juneau
mattkenworthy.bsky.social
My periodic reminder for #astrosci #astrodon #exoplanets Early Career Researchers to please, please, please have a simple web site with your current email address on it - rationale here: kenworthy.space/advice/
A pen sketch of a web page for an astronomer, showing name, email, optional phone number, and professional contact details, with a one sentence summary of their research and an ADS link.
stephajuneau.bsky.social
If you have a few mins and have used (or you're thinking about using) the Astro Data Lab, our team would love to hear from you!
stephajuneau.bsky.social
Yay! Now I'm allowed to reveal that DESI found stronger constraints toward evolving dark energy. It's not quite at the five sigma level yet but may have "major implications for our understanding of the nature and fate of our universe" 🚀🔭
desisurvey.bsky.social
JUST RELEASED: DESI DR1 & BAO RESULTS FROM DR2🌌
stephajuneau.bsky.social
🔭 OK so I'm not allowed to reveal the details yet but we have some exciting press releases coming up in a few hours (watch this space:
@desisurvey.bsky.social) including a data release that I've been working on for MONTHS and I'm just here on the verge of tears 😭

#astronomy #data #treasure
Montage with photos of the Mayall 4-meter telescope and a selfie in front of it. Portrait of astronomer Stephanie Juneau in front of the Mayall telescope dome in the background. By photographer Jesse Rieser
Reposted by Dr. Stéphanie Juneau
catieslaughts.bsky.social
🔭 Crowdsourcing here a little: Astro folks! Do you have a favorite online resource/publication for astronomy info to share with the general public?

I have a science museum volunteer who's interested in updating the sources they share with folks who want to learn more, and astrobites is my default
Reposted by Dr. Stéphanie Juneau
brettmorr.is
We can't make @astropy.org better for you without knowing a bit about what you need and who you are. Tell us!

The Astropy Project will make informed decisions with your input. 🔭🧪
astropy.org
astropy @astropy.org · Feb 28
The Astropy Project is made by our community, for our community. But who are we, exactly?

We want *your* input in the first astropy user survey:

forms.gle/KX2cNuFsQYgV...

Share how you use astropy, how to improve it, and how we can support you and your work! 🧪🔭
2025 Astropy Community Survey
This survey should take less than 15 minutes to complete. Your responses are voluntary and will remain anonymous and confidential. The aggregated, anonymized data will be used to determine developmen...
forms.gle
Reposted by Dr. Stéphanie Juneau
hbhammel.bsky.social
Image by Michael Carroll shows some asteroids to scale. We did NOT see the little one coming & it hit Earth above Chelyabinsk in 2013, injuring >1400 people. Asteroid 2024 YR4 is bigger than the little one, perhaps as large as the football field! JWST 🔭 data next month will help pin down the size.
Image by Michael Carroll illustrating the sizes of some asteroids in 2013. The asteroids are shown in comparison to a US football field. We had seen the big one coming, and it just buzzed Earth. But the littler one we did NOT see coming, and it hit Earth above Chelyabinsk, creating a shockwave the blew out windows and injuring more than 1400 people.   The asteroid we are monitoring now - 2024 YR4 - is bigger than the little guy, but maybe as large as the whole football field!   Our JWST measurements next month will help pin down the size.   Source: https://carrollspaceart.com/gallery/comparisons/
Reposted by Dr. Stéphanie Juneau
astrodatalab.bsky.social
✨January 2025 updates✨

- Added 6 datasets: Palomar Gattini-IR (PGIR) DR1, S-PLUS DR4, DES Y6 Gold, PHAT v3, DeMCELS DR1, SDSS DR12 stellar mass VACs

- Added 4 Jupyter notebooks to our collection available to all users and on GitHub

Read more in our Newsletter! datalab.noirlab.edu/newsletters/...
NOIRLab Newsletter 2025/01
datalab.noirlab.edu
stephajuneau.bsky.social
Very proud of Isabella's work which she started during a TIMESTEP internship at NOIRLab last summer. She wrote a very nice Jupyter notebook on galaxy quenching featuring the SDSS "cosmic slime" estimates of matter density. Check out her #aas245 iPoster 465.04 (notebook linked in short thread below)
astrodatalab.bsky.social
📣Undergrad student Isabella Olin is presenting her #aas245 iPoster 465.04 soon (1-2pm) on SDSS/BOSS Large Scale Structure and the "Cosmic Slime" Value-Added Catalog, where she investigates the impact of environment on galaxy quenching

She contributed a new Jupyter notebook on her work (link below)
Reposted by Dr. Stéphanie Juneau
thenrao.bsky.social
🔎 #AAS245 Scavenger Hunt 🔍

ngVLA antennas are hidden around the conference center!

Find one? Take it home, and don’t forget to tag us @thenrao.bsky.social! (@thenrao on all socials)

#RadioAstronomy 📡
Reposted by Dr. Stéphanie Juneau
drnereide.bsky.social
🧵
1/
For those who missed it, this is the stunning image from Webb's NIRCam showing NGC 604, a star-forming region located around 2.73 Mly away in the Triangulum galaxy (M33).

Source and more➡️ science.nasa.gov/missions/web...

Credits: NASA, ESA, CSA, STScI

🔭 🧪 #extragalactic #NASAWebb #JWST
This is an image from JWST’s NIRCam (Near-Infrared Camera). It features the star-forming region NGC 604 and shows how stellar winds from bright, hot, young stars carve out cavities in surrounding gas and dust. The most noticeable features are tendrils and clumps of emission that appear bright red, extending out from areas that look like clearings, or large bubbles in the nebula.
Reposted by Dr. Stéphanie Juneau
elizabethtasker.bsky.social
When bacteria was found on an asteroid Ryugu grain in London, the media questioned whether terrestrial contamination was ever avoidable. No contamination has been found at JAXA. But let's take a look at what that takes... brace yourself (my latest on Cosmos 🧪🔭🛰️)
👉 cosmos.isas.jaxa.jp/keeping-out-...
stephajuneau.bsky.social
Update: Mars came back from the other side 🔭🌝

#mars #occultation
stephajuneau.bsky.social
Last minute decided to check the Mars occultation time and rushed outside with new camera lens. Can you spot Mars just before it was occulted by our beautiful Moon? 🌝 🔭
stephajuneau.bsky.social
Folks attending #aas245 this week, come by the NOIRLab booth to chat with some of my colleagues and get a live demo! 🔭

@noirlabastro.bsky.social
astrodatalab.bsky.social
Hi everyone, we're excited to attend #AAS245 🔭

Come see live demos of Data Lab, SPARCL, Gemini data reduction & grab Data Lab postcards at the NOIRLab booth # 105D (NSF pavilion).

Demo schedule posted below and in our January Newsletter: datalab.noirlab.edu/newsletters/...
Schedule for the Astro Data Lab demos at the AAS245 meeting. Demos are at booth #105D in the NSF pavilion. The list of demos per day is the following.
 
Monday, Jan 13:
10am - 11am = Explore large scale structures of galaxies
1pm - 3pm = Reduce Gemini imaging data with DRAGONS
3pm - 4pm = GHOST spectroscopic data reduction
5:30 - 6:30pm = Search and retrieve spectroscopy data with SPARCL

Tuesday, Jan 14:
10am - 11am = NEID: tips for optimizing your proposal
11am - 12pm = GHOST spectroscopic data reduction
2pm - 3pm = Reduce Gemini imaging data with DRAGONS
3pm - 4pm = Explore large scale structures of galaxies

Wednesday, Jan 15:
9am - 10am = Search and retrieve spectroscopy data with SPARCL
11am - 12pm = GHOST spectroscopic data reduction
2pm - 3pm = Reduce Gemini imaging data with DRAGONS
4:30pm - 5:30pm = Explore large scale structures of galaxies

Thursday, Jan 16:
9am - 10am = GHOST spectroscopic data reduction
stephajuneau.bsky.social
I think you might present in the same session as Isabella Olin, a student working with me on galaxy quenching. Sadly, I won't be attending but it'd be great if you two get to meet! I'll send you a note about your paper as well. Interesting stuff! ✨
Reposted by Dr. Stéphanie Juneau
Reposted by Dr. Stéphanie Juneau
taramurphy.bsky.social
We've just released the third band of the Rapid ASKAP Continuum Survey! This is the new #RadioAstronomy reference survey of the sky, south of declination 40 degrees.

Here are some typical images...

@sunmish.bsky.social @elenchically.bsky.social @cosmicpudding.bsky.social @redqso.bsky.social
6 images from the "Rapid ASKAP Continuum Survey". The top row shows the RACS high band, mid band and low band images of radio source PKS J0816−7039.

The bottom row shows the RACS high band, mid band and low band images of radio source PKS J2113+0230.

The colour scheme ranges from pale to dark purple. 

Image credit: Stefan Duchesne