ISRO's Aditya L1 captures first high energy X-ray glimpse of solar flares
Bengaluru, Nov 7: ISRO's maiden solar mission, Aditya L1, has captured its first high energy X-ray glimpse of solar flares.
During its first observation period from approximately October 29, the High Energy L1 Orbiting X-ray Spectrometer (HEL1OS) on board Aditya-L1 spacecraft has recorded the impulsive phase of solar flares, the space agency said in a statement on Tuesday.
A solar flare is a sudden brightening of solar atmosphere.
The recorded data is consistent with the X-ray light curves provided by National Oceanic and Atmospheric Administration's (NOAA) Geostationary Operational Environmental Satellites (GOES).
"Commissioned on October 27, 2023, HEL1OS is currently undergoing fine-tuning of thresholds and calibration operations. The instrument is set to monitor the Sun's high-energy X-ray activity with fast timing and high-resolution spectra," it said.
HEL1OS data enables researchers to study explosive energy release and electron acceleration during impulsive phases of solar flares.
HEL1OS was developed by the Space Astronomy Group of the U R Rao Satellite Centre, ISRO, Bengaluru, the agency added.
HEL1OS, the hard X-ray spectrometer on Aditya-L1 Solar Mission by ISRO, is the harbinger of flaring activities on the Sun, with the ability to capture the early impulsive phase of the solar activity.
According to ISRO, flares produce enhanced emission in all wavelengths across the electromagnetic spectrum radio, optical, UV, soft X-rays, hard X-rays and gamma-rays. Flare emission consists of emissions from accelerated particles and hot plasma.
Aditya-L1 spacecraft is designed for providing remote observations of the solar corona and in-situ observations of the solar wind at L1 (Sun-Earth Lagrangian point), which is about 1.5 million kilometres from the Earth.
It is the first dedicated Indian space mission for observations of the Sun. Aimed at studying the Sun from an orbit around the L1, the mission carries seven payloads to observe the photosphere, chromosphere and the outermost layers of the Sun, the corona, in different wavebands.
Aditya-L1 is a fully indigenous effort with the participation of national institutions.
An ISRO scientist told PTI that capturing the first High-Energy X-ray glimpse of Solar Flares is an indication that the mission is so far doing well on the expected lines.
Aditya-L1 Mission:
— ISRO (@isro) November 7, 2023
HEL1OS captures first High-Energy X-ray glimpse of Solar Flares
🔸During its first observation period from approximately 12:00 to 22:00 UT on October 29, 2023, the High Energy L1 Orbiting X-ray Spectrometer (HEL1OS) on board Aditya-L1 has recorded the… pic.twitter.com/X6R9zhdwM5
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Odisha: Normalcy returns to violence-hit Malkangiri; internet services fully restored
Malkangiri (PTI): Normalcy returned to Odisha’s Malkangiri district on Monday, nearly a week after around 200 villages were damaged in violent clashes in a village, with the district administration fully restoring internet services, a senior official said.
Additional District Magistrate Bedabar Pradhan said internet services, suspended across the district on December 8 to curb the spread of rumours and misinformation following the clashes, were restored after the situation improved.
The suspension had been extended in phases till 12 noon on Monday.
The administration also withdrew prohibitory orders imposed under Section 163 of the Bharatiya Nyaya Sanhita within a 10-km radius of MV-26 village, where arson incidents were reported on December 7 and December 8.
Though the violence was confined to two villages, tension had gripped the entire district, as the incident took the form of a clash between local tribals and Bengali settlers following the recovery of a headless body of a woman on December 4, officials said.
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The violence broke out after residents of Rakhelguda village allegedly set ablaze several houses belonging to Bengali residents, forcing hundreds to flee. The headless body of Lake Podiami (51), a woman from the Koya tribe, was recovered from the banks of the Poteru river on December 4, while her head was found six days later at a location about 15 km away.
Officials said the district administration held several rounds of discussions with representatives of the tribal and Bengali communities, following which both sides agreed to maintain peace.
Relief and rehabilitation work has since been launched at MV-26 village, with preliminary assessment pegging property damage at around Rs 3.8 crore.
A two-member ministerial team headed by Deputy Chief Minister K V Singh Deo visited the affected village, interacted with officials and locals, and submitted a report to the chief minister.
So far, 18 people have been arrested in connection with the violence, the officials said, adding that despite the withdrawal of prohibitory orders and restoration of internet services, security forces, including BSF and CRPF personnel, continue to be deployed to prevent any untoward incident.
On Sunday, Nabarangpur MP Balabhadra Majhi visited MV-26 and neighbouring Rakhelguda villages, and held discussions with members of both communities as part of efforts to rebuild confidence and restore peace.
More than two lakh Bengali-speaking Bangladeshis were rehabilitated by the Centre in Malkangiri and Nabarangpur districts in 1968, and they currently reside in 124 villages of Malkangiri.
