Aditya-L1 mission starts collecting solar wind data; Know what ISRO has revealed | Tech News

Aditya-L1 mission starts collecting solar wind data; Know what ISRO has revealed

ISRO shared that the Aditya-L1 mission’s ASPEX payload has commenced its operations and is performing normally.

By: HT TECH
| Updated on: Dec 03 2023, 10:13 IST
Aditya -L1 Mission: ISRO’s maiden solar mission heading toward the Sun
Aditya-L1 mission
1/5 ISRO's Aditya-L1 mission, launched on September 2, 2023, marks India's inaugural dedicated mission to study the Sun's photosphere, chromosphere, and corona. The spacecraft is now en route to its ultimate destination, the Sun-Earth Lagrange Point 1 (L1).   (ANI)
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2/5 Lagrange points are unique positions in space where the gravitational forces of two massive bodies, in this case, the Sun and Earth, perfectly balance the centripetal force required for a smaller object, like a spacecraft, to remain in sync. These points minimize the need for orbit corrections and fuel consumption, making them ideal for scientific missions. (ANI)
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3/5 Among the five Lagrange points, L1 is especially significant because it is situated between the Sun and Earth, offering a prime location for spacecraft. This positioning enables continuous observation of both primary bodies, unbroken communication with Earth, and an unobstructed view of celestial objects. (ANI)
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4/5 Aditya-L1 will adopt a 'Halo orbit' around L1, situated approximately 1.5 million kilometers from Earth. Halo orbits are three-dimensional paths around a Lagrange Point, providing continuous visibility from Earth, resembling a halo. (ANI)
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5/5 Space missions, such as the International Sun-Earth Explorer (ISEE-3), the Genesis mission, ESA's LISA Pathfinder, China's Chang'e 5 lunar orbiter, and NASA's Gravity Recovery and Interior Recovery (GRAIL) mission, have previously leveraged the Sun-Earth L1 point to enhance our understanding of space and monitor space weather events. Several operational spacecraft currently occupy this location, playing a crucial role in providing early warnings about adverse space weather events, safeguarding orbiting space assets and ground-based infrastructure. (ANI)
Aditya-L1 mission
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The SWIS instrument of the Aditya-L1 mission has effectively measured solar wind ions, focusing on protons and alpha particles. (ANI)

Aditya-L1 mission, India's maiden solar mission, is dedicated to unraveling the mysteries of the sun. Recently, it has achieved a significant milestone by initiating observations of solar wind. The Indian Space Research Organisation (ISRO) shared the successful activation of the Aditya Solar Wind Particle Experiment (ASPEX) payload. Check here to know all about this recent achievement.

Aditya-L1 mission observations of solar wind initiated

ISRO shared that the Aditya Solar Wind Particle Experiment (ASPEX) payload onboard the satellite has commenced its operations and is performing normally. The ISRO also shared an image on X (formerly Twitter) that illustrates the energy variations in proton and alpha particle counts captured by the new payload. ISRO posted, “The Solar Wind Ion Spectrometer (SWIS), the second instrument in the Aditya Solar wind Particle Experiment (ASPEX) payload is operational. The histogram illustrates the energy variations in proton and alpha particle counts captured by SWIS over 2-days.”

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As shared in a document by ISRO, the ASPEX comprises two instruments - the Solar wind Ion Spectrometer (SWIS) and STEPS (SupraThermal and Energetic Particle Spectrometer). While STEPS started its operation on September 10, the SWIS instrument was activated on Saturday and has exhibited optimal performance. SWIS, equipped with two sensor units offering a 360° field of view each, operates in perpendicular planes. It has effectively measured solar wind ions, focusing on protons and alpha particles.

The recently shared image by ISRO on social media illustrates the energy variations in proton (H+) and alpha particle (He2+) counts captured by SWIS over a two-day period in November 2023. This data is vital for understanding solar wind behavior.

The mission was launched from Sriharikota in Andhra Pradesh on September 2. The main objective of the Aditya-L1 mission is to study various aspects of solar phenomena, including the physics of solar corona, solar wind acceleration, solar atmosphere dynamics, and the origin of Coronal Mass Ejections (CMEs) and flares.

As informed by ISRO, Researchers are studying the collected data deeply. The scientific community from all over the world is eagerly awaiting the abundance of knowledge that Aditya-L1's ASPEX is about to reveal about the solar wind and its impact on Earth.

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First Published Date: 03 Dec, 10:13 IST
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