Our IPAC community is in shock at the sudden loss of our colleague and friend, Carl Grillmair. His curiosity and dedication shaped IPAC in countless ways. We've dedicated our science talk series, The Next Seven Minutes, to his memory.🔭 www.ipac.caltech.edu/news/ipac-mourns-passing-of-carl-grillmair

⏰Time to Register for #sagan2026⏰ The hybrid workshop focuses on expected #exoplanet science from the @nasaromantelescope.bsky.social Galactic Bulge Time Domain Survey. Travel support requests for early-career participants are due 3/5. nexsci.caltech.edu/workshop/2026 🔭 #astrocode #instrumentation

#OTD 40 years ago, IPACers moved to @caltech.edu campus! This memo details the move to IPAC (the Morrisroe building) the week of February 3rd, 1986. Before moving, IPACers worked in an office building on Lake Avenue, a few blocks from Caltech. #IPAC40 🔭

Catch the IPAC Director @tom-greene.bsky.social at Astronomy on Tap Feb. 9, 2026 @ 7:30pm! The event is free and open to the public 🔭 🧪 ⚛️ #SciComm

Big applause for the SPHEREx mission team for receiving the Explorers Club's 2026 Sylvia A. Earle Award for Exploration Excellence!👏👏👏 The award recognizes the mission's accomplishment of completing the first infrared map of the sky in 102 colors. 🌈🔭🏆 www.explorers.org/ecad-2026-awardees

The twenty-fourth public data release from the Zwicky Transient Facility contains approximately 69.7 million images, 1043 billion source detections extracted from these images, and 5.32 billion light curves. irsa.ipac.caltech.edu/Missions/ztf...

Another #AAS247 🔭 in the books = another wonderful, whirlwind of exciting astronomy happening and coming soon! 💨 From topics like Roman, Euclid, and SPHEREx, to NExScI, NED, IRSA, NITARP, Firefly, PRIMA, and SHERA — there was something for everyone. Thank you to all!

IPAC scientist Vivian U presented on wobbly black holes at her #AAS247 press conference! This work offers new insights into how galaxies evolve, and it was published in @science.org on Jan. 8, 2026 Read more here: www.ipac.caltech.edu/news/astrono...

IPACer @aussiastronomer.bsky.social & team shared the SHERA Mission Concept at #AAS247 🦸‍♀️ 🔭 Searching for Habitable Exoplanets with Relative Astrometry (SHERA) will look for rocky planets in the habitable zones of Sun-like stars for the 1st time & potentially discover the nearest Earth-like planets!

We're thrilled to welcome @caltech.edu President-Elect Ray Jayawardhana! As a grad student, Jayawardhana (a.k.a RayJay) attended the first Michelson Interferometry Summer School in 1999. Today, it lives on as NExScI's Sagan Summer Workshop—and both the workshop and RayJay are still going strong.🔭🚀

Go Pandora! 🛰️ 🔭 Like Jessie said, all of the mission data will be archived at NExScI, the NASA Exoplanet Science Institute at Caltech IPAC!

At #AAS247, IPAC scientist Andreas Faisst presented at a press conference on Jan. 6. His work shows that early galaxies are maturing faster than researchers previously believed. "It's like seeing 2-year-old children act like teenagers." www.ipac.caltech.edu/news/young-g... @press.aas.org @aas.org

Deadline Reminder: Abstracts are due tomorrow, Jan. 14! RAPID Response: Hot-wiring the Next Generation of Time-Domain Science is only ~2 months away. We can't wait to discuss and hear about exciting time-domain science with you! conference.ipac.caltech.edu/rapid-hotwiring2026/ 🔭

2 IPAC-related sessions? 2 much fun! Check out the #AAS247 Roman RAPID session and the Euclid Q1 session, both at 10am MT today! 🔭🔭 📍Roman: 226 C 📍Euclid: 225 B www.ipac.caltech.edu/page/aas247 @aas.org @press.aas.org

Packed splinter session at #AAS247 for the announcement of The Eric and Wendy Schmidt Observatory System—a modular, rapid-response network of four novel observatories designed to democratize access to the cosmos. Read more about the initiatives here: www.schmidtsciences.org/focus-area-a...

Educators + students present at #AAS247! NITARP continues its 20-year program of pairing educators with astronomers for year-long, authentic research projects using NASA data. They presented their results to fellow researchers at IPAC's booth.🚀🔭📊 www.ipac.caltech.edu/news/teachin...

More Astrophysics for More People ✨ Join us for a virtual #AAS247 session and a first look at The Schmidt Observatory System—a new network of ground and space-based initiatives designed to break the traditional limits of discovery. 📆 Jan 7 | 3-5:30pm MT / 5-7:30pm ET Register here: buff.ly/kbbNFuB

Meet Roman experts to learn more about the mission, learn about the Cycle 1 Call for Proposals (due March 17), and get some stickers! 👾 Come visit the NASA, STScI, and IPAC booths in Phoenix Convention Exhibit Hall throughout the week. #AAS247 #ExpandOurView #NASARoman

Are you at #AAS247 & interested in submitting a Roman proposal? 🔭 Come to the "Roman Space Telescope Proposal and Science Planning" splinter session Tuesday Jan. 6 at 10:0am - 12:00pm MT. Find the call for proposals here: roman-docs.ipac.caltech.edu/roman-propos... @nancyromansci.bsky.social

IPAC has landed in the desert 🏜️ Come say hello to your favorite science and data center in the expo hall at #AAS247 in Phoenix, AZ! @aas.org @press.aas.org 🔭

⭐️ ⛄️ Happy Holidays from IPAC! ❄️ 🪐 While we get excited to celebrate 40 years of IPAC at Caltech in 2026, we're looking back at some of the highlights of 2025. Check them out here: www.ipac.caltech.edu/holiday-card 🔭

NASA’s SPHEREx space telescope has completed its first infrared map of the entire sky! This is the most comprehensive spectral view of the infrared sky, with 102 colors (or wavelengths) of infrared light from observations made between May and December 2025. 🧪 ⚛️ 🔭

🚀The Roman Cycle 1 Call for Proposals is OPEN! Unlock new discoveries with the Wide Field Instrument—your science starts here! Apply for funding to analyze Roman data, perform theory/lab research, and propose new observations. 🔭☄️ 📅 Deadline: Mar 17, 2026 (5 PM PDT) 📝 bit.ly/4q3jbbL

NASA’s Nancy Grace Roman Space Telescope is now fully assembled! 🔧 roman.ipac.caltech.edu/news/nasa-co... IPAC hosts the Roman Science Support Center, conducting Coronagraph Instrument operations, data processing, proposal management, and community engagement. 🧪 ⚛️ 🔭 @nancyromansci.bsky.social

Congratulations to @caltechipac.bsky.social on its fortieth anniversary! Kudos to IPAC for leading the science operations, data processing, community support, and archiving for many missions and observatories over the years, with many more to come! Stay tuned as IPAC celebrates through 2026.

How do we hot-wire the transient universe to enable breakthrough science?🤔🔌💡 The time-domain community is invited to a meeting by the NASA Roman Alerts Promptly from Image Differencing (RAPID) team. Abstract submission and registration are now open! conference.ipac.caltech.edu/rapid-hotwir...

Reminder: Today is the last day to register for this #AAS247 workshop.

Join us to learn why Pasadena is the "City of Astronomy" for a free afternoon of science demonstrations, solar telescopes, and public-level presentations on black holes, exoplanets, galaxies, space weather, and AI! Sunday, November 16 Noon-4PM www.cityofastronomy.org

#ESAEuclid peers through a dark cloud’s dusty veil to reveal a place teeming with very young stars ✨ While investigating the nature of the dark Universe, Euclid is also delivering observations such as this one that enable research in different fields of astronomy 👉 www.esa.int/ESA_Multimed... 🔭

🚀OpenUniverse2024 Hands-on Workshop at #AAS247 Work with simulated NASA Roman & @vrubinobs.bsky.social data and learn to: 💫 Access wide-field & time-domain sims 📊 Visualize with Firefly + Astropy 🧠 Prototype science workflows w/ Jupyter Notebooks Register by 11/7👉 aas.org/meetings/aas247/workshops

The official number of exoplanets has surpassed 6,000! And you can access data on all 6,007 of them right here at IPAC 📈 🪐 Watch the video & read all about the center of the exoplanet universe (also known as NExScI!) here: www.ipac.caltech.edu/news/the-nas...

The NASA/IPAC Teacher Archive Research Program (NITARP) is celebrating 20 years of high school teachers & students doing astronomy research at IPAC! “NITARP changed my life,” said one teacher who participated in the program. Read more great quotes here: www.ipac.caltech.edu/news/20-year...

These images, taken a year apart, show how supernova SN2018gv faded over time. The High-Latitude Time-Domain Survey by NASA’s Nancy Grace Roman Space Telescope will spot 1000s of supernovae, including a type that can be used to measure the universe's expansion. roman.ipac.caltech.edu/news/nasa-ro...

NEWS: Will you be my neighbor? #NASAWebb has found strong evidence of a gas giant planet orbiting Alpha Centauri A, a star in the stellar system closest to our own sun: webbtelescope.pub/4oyLiQa 🔭 🧪

WELCOME TO THE FAMILY, ALPHA CEN A b!!! First hinted at in Wagner+21, now Chas Beichman, Aniket Sanghi and team have published new JWST images of alpha Cen A showing another hint of this Saturn-sized planet candidate! exoplanetarchive.ipac.caltech.edu/overview/alp...

IPAC scientist finds evidence for a planet in the same star system as #Avatar 's Pandora! If confirmed by additional observations, "Its very existence [...] would challenge our understanding of how planets form, survive, and evolve in chaotic environments." www.ipac.caltech.edu/news/nasa-s-...

After losing contact with the spacecraft and several months of a global effort to listen for a signal, Lunar Trailblazer concluded its mission to the Moon on July 31. Read more: www.ipac.caltech.edu/news/nasa-s-...

Join this month's Roman Virtual Lecture Series to learn about observing accreting neutron stars and black holes with Roman. 🌟 Subscribe to tinyurl.com/RVLSsubscr for call-in details! 📅 Thurs July 31 🕐 4-4:30 PM EDT 🔗 bit.ly/4m7MkjY

Registration for #IRSpaceSpectroscopy closes this week!⏱️ If you're planning to attend in person, register by midnight PDT this Friday, Aug. 1, 2025 to secure your spot and avoid a $50 late registration fee. conference.ipac.caltech.edu/IRSpaceSpectroscopy/

Betelgeuse’s Companion Star May Have Been Seen at Last 👯‍♀️ ipac.caltech.edu/news/betelge... "It always amazes me how much we still have to learn. Even stars like Betelgeuse, which we have studied for literally thousands of years, can still surprise us," said David Ciardi.

Earth 2.0?? 🤯🌎🌍🌏 Livestream public talk on 7/16 @ 4pm PT 👇 @nancyromansci.bsky.social

Clear Skies Ahead for Another #VGSF😎 IPAC bids farewell to Penn State graduate student Nick Tusay, who has been working with NExScI's @aurorakess.bsky.social to learn more about ultra-hot Jupiters using high-resolution spectroscopy. Best of luck to Nick and his future endeavors!🚀

SPHEREx has delivered its first set of publicly-available data on @irsaipac.bsky.social ! 📊 🛰️ "Almost every area of astronomy can be addressed by SPHEREx data,” said Rachel Akeson, the lead for the SPHEREx Science Data Center at IPAC. spherex.caltech.edu/news/how-nas...

From Galileo to Galaxies: Astronomy at the Vatican IPAC Exec Director @tom-greene.bsky.social spent part of his summer guest teaching at @vaticanobservatory.bsky.social Summer School on topics focusing on JWST. He also met Pope Leo XIV! Read all about it: www.ipac.caltech.edu/news/from-ga...

The #RubinFirstLook has us 🤩 "These images mark the beginning of an avalanche of data," said IPAC Manager David Imel. At IPAC, we've been developing the Science User Interface and Tools for the Rubin LSST Science Platform. Read about IPAC & @vrubinobs.bsky.social: ipac.caltech.edu/project/rubin

IPAC's own Andreas Faisst recently appeared on @ktla.com discussing the COSMOS-Web JWST survey, which is shaking up what we thought we knew about the universe 🌀 Read more about COSMOS-Web: www.ipac.caltech.edu/news/cosmos-... Watch Faisst's interview: ktla.com/video/caltec...

Come work with NExScI Chief Scientist @aussiastronomer.bsky.social and the Roman Galactic Exoplanet Survey Project Infrastructure Team (RGES PIT)! Perks include RGES PIT membership, time for independent research, and access to observing facilities, including Palomar! aas.org/jobregister/...

Abstract Deadline: July 1⏲️ There is one week left to submit abstracts for IPAC's October 2025 conference: "Infrared Spectroscopy from Space." Join us in Pasadena to discuss the vast scientific potential unlocked by space-based infrared observations! conference.ipac.caltech.edu/IRSpaceSpectroscopy

Current IPAC staff members (less than 200 people!) have published over 5,000 research papers! That's a lot of science in one place! 🤯 Dive into the science happening at IPAC here: www.ipac.caltech.edu/science

#AAS246 Preparing for the Nancy Grace Roman Space Telescope's First Call for Proposals 📞📄 The first call for proposals is expected to be released in Fall 2025! Stay up to date with @nancyromansci.bsky.social and the Roman Science Support Center @ IPAC: roman.ipac.caltech.edu/page/call-fo...