Caltech IPAC
@caltechipac.bsky.social
IPAC at Caltech partners with NASA, NSF, JPL, and the worldwide research community to advance the exploration of our Universe. www.ipac.caltech.edu
⭐️ ⛄️ 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 🔭
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 🔭
December 24, 2025 at 8:12 PM
⭐️ ⛄️ 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 🔭
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.
🧪 ⚛️ 🔭
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.
🧪 ⚛️ 🔭
December 23, 2025 at 9:45 PM
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.
🧪 ⚛️ 🔭
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.
🧪 ⚛️ 🔭
Reposted by Caltech IPAC
🚀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
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
December 10, 2025 at 5:01 PM
🚀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
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
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
December 10, 2025 at 11:08 PM
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
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
Reposted by Caltech IPAC
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.
December 10, 2025 at 9:48 PM
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...
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...
November 7, 2025 at 8:24 PM
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...
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.
🚀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
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
November 7, 2025 at 8:23 PM
Reminder: Today is the last day to register for this #AAS247 workshop.
Reposted by Caltech IPAC
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
Sunday, November 16 Noon-4PM
www.cityofastronomy.org
November 7, 2025 at 6:49 PM
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
Sunday, November 16 Noon-4PM
www.cityofastronomy.org
Reposted by Caltech IPAC
#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... 🔭
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... 🔭
November 5, 2025 at 9:41 AM
#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... 🔭
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
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
October 23, 2025 at 10:49 PM
🚀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
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...
Watch the video & read all about the center of the exoplanet universe (also known as NExScI!) here:
www.ipac.caltech.edu/news/the-nas...
September 18, 2025 at 12:19 AM
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...
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...
“NITARP changed my life,” said one teacher who participated in the program.
Read more great quotes here:
www.ipac.caltech.edu/news/20-year...
September 6, 2025 at 1:23 AM
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...
“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...
roman.ipac.caltech.edu/news/nasa-ro...
August 21, 2025 at 12:02 AM
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...
roman.ipac.caltech.edu/news/nasa-ro...
Reposted by Caltech IPAC
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 🔭 🧪
August 7, 2025 at 3:03 PM
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 🔭 🧪
Reposted by Caltech IPAC
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...
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...
August 7, 2025 at 5:25 PM
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...
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-...
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-...
August 7, 2025 at 7:53 PM
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-...
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-...
Read more:
www.ipac.caltech.edu/news/nasa-s-...
August 5, 2025 at 11:04 PM
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-...
Read more:
www.ipac.caltech.edu/news/nasa-s-...
Reposted by Caltech IPAC
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
Subscribe to tinyurl.com/RVLSsubscr for call-in details!
📅 Thurs July 31
🕐 4-4:30 PM EDT
🔗 bit.ly/4m7MkjY
July 30, 2025 at 3:57 PM
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
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/
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/
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
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
Infrared Spectroscopy from Space🌈🛰️
This hybrid conference will highlight how JWST, Euclid, SPHEREx, Roman, & Ariel have or will enable scientific breakthroughs. Save the date to join us in Pasadena Oct. 6-8, 2025!
conference.ipac.caltech.edu/IRSpaceSpectroscopy
This hybrid conference will highlight how JWST, Euclid, SPHEREx, Roman, & Ariel have or will enable scientific breakthroughs. Save the date to join us in Pasadena Oct. 6-8, 2025!
conference.ipac.caltech.edu/IRSpaceSpectroscopy
July 30, 2025 at 5:30 PM
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/
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.
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.
Betelgeuse’s Companion Star May Have Been Seen at Last
Three IPAC scientists, David R. Ciardi, Catherine A. Clark, and Elise Furlan, were co-authors on this study supporting the claim that Betelgeuse may have a stellar companion after centuries of hypothe...
ipac.caltech.edu
July 29, 2025 at 9:01 PM
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.
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.
JULY 16, 7 p.m. ET: #NASARoman is NASA’s next large strategic mission. STScI's Dr. Kristen McQuinn will tell us how Roman is set to chart the depths of space and time and forge the path towards Earth 2.0: www.youtube.com/live/2NpN8ae... 🔭 🧪
July 9, 2025 at 6:29 PM
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!🚀
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!🚀
July 7, 2025 at 9:57 PM
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!🚀
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...
"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...
July 3, 2025 at 8:34 PM
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...
"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...
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...
July 3, 2025 at 3:30 PM
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...
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
"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
June 27, 2025 at 12:12 AM
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
"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