Solar Orbiter magnetometer @SolarOrbiterMAG
Magnetic field experiment on ESA's Solar Orbiter mission. Launched 10 February 2020. imperial.ac.uk/space-and-atmo… Deep space Joined August 2011-
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We have now released data for January 2024 to the public archive. All taken quite far from the Sun, but among other wonders the data include this reverse shock with some nice waves.
We recently welcomed Mhairi, Gabriel and Rachel to our @ESASolarOrbiter @IMAPMAG and @NASASun HelioSwarm MAG engineering teams, so it seemed like a good idea to go and play darts @flightclubdarts
@SolarOrbiterMAG He got better pictures (here is another one) than me!
Not just a lot of shocks, but some really novel ones: very high Mach number, reforming, observations at multiple spacecraft. We study these to learn more about shocks in the solar system and elsewhere in the Universe, as well as how they accelerate particles to high energies.
Not just a lot of shocks, but some really novel ones: very high Mach number, reforming, observations at multiple spacecraft. We study these to learn more about shocks in the solar system and elsewhere in the Universe, as well as how they accelerate particles to high energies.
Today marks #SolarOrbiter's closest approach to the Sun, giving it a front-row seat during #SolarEclipse2024 🕶️🍿 What's more, this weekend the spacecraft is 90 degrees further round the Sun compared to Earth, meaning it can watch for potentially dangerous eruptions sent in our…
We have now released data for December 2023 to the public archive. Not the most exciting, near aphelion, but some nice shocks and fast streams.
Following the excitement of the last few days, @ESASolarOrbiter is moving rapidly towards perihelion. It is already 17deg off the Sun-Earth line so this period of alignment for predictions has ended. We hope you found our data useful. Next period of alignment starts in October.
The CME predicted by @NWSSWPC and @ASWOGeoSphere arrived at @ESASolarOrbiter around 13:30 today. A flux rope is now passing over the spacecraft with a strong Southward field. Orbiter is 9 deg off the Sun-Earth line so this could be close to what arrives here.
Prediction for today's event. Will not be huge but is an excellent test for future far upstream predictions.
Prediction for today's event. Will not be huge but is an excellent test for future far upstream predictions.
Jim and @aurorawatchuk are the people to follow for info on possible UK auroras.
Jim and @aurorawatchuk are the people to follow for info on possible UK auroras.
Prediction for possible storm based on the @ESASolarOrbiter upstream magnetic field data.
Prediction for possible storm based on the @ESASolarOrbiter upstream magnetic field data.
A #solarstorm erupting on early Sun March 17 was observed by @SolarOrbiterMAG onboard @ESASolarOrbiter, situated luckily right along the Sun-Earth line to measure its magnetic core. This is a perfect event to test CME forecasting with a long distance sub-L1 monitor. Buckle up!👇
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29K Followers 37 Following ESA's next generation #Sun explorer, launched on 9/10 February 2020 to study #TheSunUpClose ☀️ #WeAreAllSolarOrbiters@SolarOrbiterMAG Thank you for the [magnetically 🧲] shocking experience, @SolarOrbiterMAG ! Your good vibes are always appreciated. 👍
@SolarOrbiterMAG He got better pictures (here is another one) than me!
….aaand that is 100 shocks for the @ESASolarOrbiter shock list of the @H2020Serpentine project! Nice way for the Sun to close 2023 ☀️. Stat tuned for the paper looking at the shocks features!
Today we remotely powered the flight model while it was connected to the spacecraft - great team work from @ImperialPhysics , @JHUAPL and @LASPatCU . A bit stressful in places but a successful test and the instrument performed perfectly.
What keeps you up at night? For us, it’s thinking about new ways that our missions could go wrong – and how to solve them! As @ESASolarOrbiter swoops past the Sun, we’ve been practicing how to recover the spacecraft if it were to lose sight of Earth. esa.int/Enabling_Suppo…
Wave back to Alan and Mihir in the cleanroom with IMAP, as they return the MAG sensors following EMC testing. Follow along right now via the live feed below. imap.princeton.edu/clean-room-vid…
@SolarOrbiterMAG @ESASolarOrbiter Certainly found it useful when we didn't get telemetry on Wednesday morning! Pesky sun.
@SolarOrbiterMAG @ESASolarOrbiter This was a great exercise! 👏 Looking forward to late 2024 and early 2025 for the next opportunities. We try to work on the development of our methods based on these magnetic field data too.
@SolarOrbiterMAG @ESASolarOrbiter Waving goodbye in tears, sniffing and sobbing. 🫶
Concrete evidence that we need more satellites monitoring the solar wind!
@ASWOGeoSphere @SolarOrbiterMAG Minimum Dst so far was -82nT. Damn nice forecast
Now, this is purely non-science stuff, but overlaying the measures from @SolarOrbiterMAG (blue) to NOAA SWPC´s RTSW is interesting. I´ve stretched the SolarOrbiterMag to match (sort of) the measures from ACE/DSCOVR. @TamithaSkov #spaceweather #aurora
@SolarOrbiterMAG @SeshSad @chunder10 @chrisoutofspace @ASWOGeoSphere Thank you!! This will be super helpful for the future.
Our forecast using @SolarOrbiterMAG and our own models for the March 23 CME, arriving Sunday March 24 around 17 UT: a moderate to intense geomagnetic storm. Minimum Dst: -85 nT +/- 20 nT. Only the sheath is geoeffective, during the flux rope Bz > 0 and the storm will recover. 👇
@SolarOrbiterMAG @NWSSWPC @SolarOrbiterMAG even without more info by educated guessing the CME should arrive at SolO somewhen during the night from Sat Mar 23 to Sun Mar 24.
Here is our SOHO view of the early 2024 March 23 halo CME. The bulk of the CME goes to the north, @SolarOrbiterMAG is at 9° west at 0.39 AU. We keep watch of these in situ observations, but given the magnitude of the event it is obvious it will be observed at @ESASolarOrbiter.
Just as we expected, thanks to @SolarOrbiterMAG data, a SWN flux rope has been observed at Earth and is still rotating northward at this time. Bravo! @ASWOGeoSphere
It would definitely prove that we need more spacecraft monitoring the Sun to get a better idea of what's coming our way!
Prediction for today's event. Will not be huge but is an excellent test for future far upstream predictions.
@ASWOGeoSphere @SolarOrbiterMAG @ESASolarOrbiter Amazing ! Thank you to share with us !
This is our summary prediction so far, based on @SolarOrbiterMAG data and empirical modeling using CME physics - a moderate geomagnetic storm at its peak, starting late March 20, and going on for 2 nights. High latitude #aurora intensification should be possible!
Here is our prediction for the geomagnetic effects: SYM-H (comparable to Dst) should dip to -30 nT ± 20 nT during the night from Mar 20 to 21. Then the 2nd Dst minimum is - 60 nT ± 30 nT around 00:00 UT from Mar 21 to Mar 22. Not a big event, but great for testing new tools!
Yesterday, Solar Orbiter (currently about halfway between Earth and Sun) was passed by a significant CME with southward magnetic field, expected to arrive later today (20/3). Potential to trigger some #aurora displays. Keep an eye on @aurorawatchuk! 👀 #SpaceWeather
Solar Orbiter is currently very well aligned with Earth. ESA's data systems have not had a good few days but we now have the latest data which show a CME with strong Southward fields. Expected arrival late on 20th. More info tomorrow.
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