NASA’s Imaging X-Ray Polarimetry Explorer (IXPE) mission launched at 1 a.m. EST Thursday on a SpaceX Falcon 9 rocket from NASA’s Kennedy Space Center in Florida.
A joint effort with the Italian Space Agency, the IXPE observatory is NASA’s first mission dedicated to measuring the polarization of X-rays from the most extreme and mysterious objects in the universe – supernova remnants, supermassive black holes, and dozens of other high-energy objects.
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The weather outlook for NASA’s Imaging X-Ray Polarimetry Explorer (IXPE) launch from Kennedy Space Center remains outstanding. Weather officials with Cape Canaveral Space Force Station’s 45th Weather Squadron predict a greater than 90% chance of favorable conditions for liftoff of NASA’s first dedicated mission to measuring X-ray polarization.
Propellant load is underway, which eliminates IXPE’s 90-minute launch window.
“We have committed to this and we are committed to a T-zero at 1 a.m.,” said Mic Woltman of NASA Communications.
NASA has ramped up its coverage of today’s Imaging X-Ray Polarimetry Explorer (IXPE) launch, as the live broadcast has now begun. Tune in to NASA Television, the NASA app, or the agency’s website, starting now for launch day commentary, interviews, and everything you need to know about the launch of today’s unique mission.
You can also stay right here for blog updates throughout the launch day milestones.
Tune in to NASA Television, the NASA app, or the agency’s website, starting in about 10 minutes (12:30 a.m. EST), for live broadcast coverage of NASA’s Imaging X-Ray Polarimetry Explorer (IXPE) mission.
Liftoff, aboard a SpaceX Falcon 9 rocket from Kennedy’s Launch Complex 39A, is targeted for 1 a.m. EST. The Launch is managed by NASA’s Launch Services Program, based at Kennedy.
IXPE will study changes in the polarization of X-ray light through some of the universe’s most extreme sources, including black holes, dead stars known as pulsars, and more. The mission is NASA’s first dedicated to measuring X-ray polarization.
Click here to learn more about the IXPE mission.
Here is a look at some of the key milestones for today’s IXPE launch:
Mission Timeline (all times approximate)
LAUNCH AND DRAGON DEPLOYMENT
Time Events
1 a.m. EST Liftoff
T+153 sec First stage main engine cutoff (MECO)
T+156 sec First and second stages separate
T+164 sec Second stage engine start 1 (SES-1)
T+220 sec Fairing deploy
8.1 min Second stage engine cutoff 1 (SECO-1)
28.7 min Second stage engine start 2 (SES-2)
29.8 min Second stage engine cutoff 2 (SECO-2)
33.3 min Spacecraft separation
66.7 min Second stage deorbit burn
IXPE’s launch from NASA’s Kennedy Space Center in Florida is now about 40 minutes away. Coverage of launch day activities will continue here on the blog. Also, tune in to NASA Television, the NASA app, or the agency’s website, starting at 12:30 a.m. EST for a live broadcast. Liftoff, from Kennedy’s Launch Complex 39A, is targeted for 1 a.m.
The weather outlook for today’s early morning launch of NASA’s Imaging X-Ray Polarimetry Explorer (IXPE) spacecraft from Kennedy Space Center is terrific. Weather officials with Cape Canaveral Space Force Station’s 45th Weather Squadron predict a 90% chance of favorable conditions for liftoff, with the cumulus cloud rule serving as the primary weather concern.
A collaboration between NASA and the Italian Space Agency, IXPE is NASA’s first mission dedicated to measuring X-ray polarization. Launch, which is managed by NASA’s Launch Services Program, based at Kennedy, is targeted for 1 a.m. EST from the Florida spaceport’s Launch Complex 39A.
Coverage of launch day activities will continue here on the blog throughout IXPE’s milestones. Also, tune in to NASA Television, the NASA app, or the agency’s website, starting at 12:30 a.m. EST for a live broadcast.
NASA’s Imaging X-Ray Polarimetry Explorer (IXPE) mission sounds cool, and even has a catchy name. But what is IXPE’s goal and how did the project come about? Here is a more in-depth look at IXPE, NASA’s first satellite dedicated to measuring X-ray polarization.
IXPE is going to explore some of the most extreme and mysterious objects in the universe – including black holes and pulsars – and the X-rays they emit. It is the first mission that will map the polarization of many of these objects.
IXPE carries three state-of-the-art space telescopes with special polarization-sensitive detectors. Polarization is a property of light that holds clues to the environment from which the light originates. By providing the first-ever dedicated look at polarized X-rays, IXPE will help us discover the secrets of some of the most extreme cosmic objects of the universe: the remnants of supernova explosions, neutron stars and black holes in our galaxy, and super massive black holes at the centers of galaxies.
NASA selected IXPE as a Small Explorer mission in 2017. The IXPE project is a collaboration between NASA and the Italian Space Agency. NASA’s Marshall Space Flight Center in Huntsville, Alabama manages the IXPE mission. Ball Aerospace, headquartered in Broomfield, Colorado, manages spacecraft operations with support from the University of Colorado at Boulder.
NASA’s Goddard Space Flight Center in Greenbelt, Maryland, manages the Explorers Program for the agency’s Science Mission Directorate in Washington.
Stay right here for continuing blog coverage of Thursday’s 1 a.m. EST launch of IXPE from Space Launch Complex 39A at NASA’s Kennedy Space Center in Florida.
The rocket booster that will power NASA’s Imaging X-Ray Polarimetry Explorer (IXPE) spacecraft into the sky from NASA’s Kennedy Space Center in just a matter of hours has been there many times before.
“This booster has launched eight astronauts, three dragon capsules and one geostationary spacecraft,” said Julianna Scheiman, SpaceX’s director of civil satellite missions. “Reusability is key to lowering the cost of launch, which in turn enables greater investment and scientific research.”
After launching IXPE into space, the booster will be brought back and landed on the SpaceX drone ship “Just Read the Instructions” off the coast of Florida.
IXPE is scheduled to lift off aboard a SpaceX Falcon 9 rocket from the Florida spaceport’s Launch Complex 39A on Thursday, Dec. 9, at 1 a.m. EST. The launch is managed by NASA’s Launch Services Program, based at Kennedy. Tune in to NASA Television, the NASA app, or the agency’s website for a live broadcast – or stay right here for a live blog to take you through the launch day events.
Weather officials with Cape Canaveral Space Force Station’s 45th Weather Squadron predict a 90% chance of favorable conditions for liftoff, with the cumulus cloud rule serving as the primary weather concern.
“We’re looking at just a very, very slight chance of a weather issue,” said Mike McAleenan, 45th Weather Squadron, Space Launch Delta 45. “There will be winds out of the west, northwest, and just a slight chance of cumulus clouds to impact the area.”
IXPE will study the polarization of X-rays coming to us from some of the universe’s most extreme sources, including black holes and dead stars known as pulsars. Since its arrival in Florida last month, the spacecraft has undergone several tests and eclipsed multiple milestones at Kennedy, including final processing, mating to the rocket, and encapsulation. On Tuesday, the rocket and spacecraft were transported to the launch pad and raised to the vertical position.
Stay connected with the mission on social media, and let people know you’re following it on Twitter, Facebook, and Instagram using the hashtag #IXPE and tag these accounts:
Twitter: @NASA, @NASASocial, @NASA_LSP, @NASA_Marshall,
NASA_Kennedy, @NASAUniverse
Facebook: NASA, NASA LSP, NASA MarshallCenter, NASAKennedy, NASAUniverse
Instagram: NASA, NASASolarSystem, NASA_Marshall, NASAKennedy
Live coverage of NASA’s Imaging X-Ray Polarimetry Explorer (IXPE) spacecraft launch from the agency’s Kennedy Space Center in Florida begins at 12:30 a.m. EST on Thursday, Dec. 9. Tune in to NASA Television, the NASA app, or the agency’s website for a live broadcast – or stay right here for a live blog to take you through the launch day events.
At 11:30 a.m. today, NASA EDGE will host the IXPE rollout show. The program will air live on NASA TV, the agency’s website and YouTube.
IXPE is scheduled to launch aboard a SpaceX Falcon 9 rocket from Kennedy’s Launch Complex 39A at 1 a.m. EST on Dec. 9. The launch is managed by NASA’s Launch Services Program, based at Kennedy.
IXPE will study the polarization of X-rays coming to us from some of the universe’s most extreme sources, including black holes and dead stars known as pulsars.
NASA selected IXPE as a Small Explorer mission in 2017. The IXPE project is a collaboration between NASA and the Italian Space Agency. NASA’s Marshall Space Flight Center in Huntsville, Alabama manages the IXPE mission. Ball Aerospace, headquartered in Broomfield, Colorado, manages spacecraft operations with support from the University of Colorado at Boulder.
NASA’s Goddard Space Flight Center in Greenbelt, Maryland, manages the Explorers Program for the agency’s Science Mission Directorate in Washington.
Teams from NASA and SpaceX completed a launch readiness review ahead of NASA’s Imaging X-Ray Polarimetry Explorer (IXPE) mission. The result: launch teams are a “go” for liftoff of NASA’s first satellite dedicated to measuring X-ray polarization.
IXPE is scheduled to launch aboard a SpaceX Falcon 9 rocket from Kennedy Space Center’s Launch Complex 39A on Thursday, Dec. 9, at 1 a.m. EST. The launch is managed by NASA’s Launch Services Program, based at Kennedy.
IXPE will study targets over a broad range of types of astronomical X-ray sources with emphasis on black holes and neutron stars. The mission will achieve high-sensitivity measurements of the polarization of X-rays coming from astronomical objects including neutron stars and black holes.
Click here to learn more about the IXPE mission.
