Source: New Indian Express
Context: Scientists from the Indian Institute of Astrophysics (IIA) in Bengaluru have reported initial significant observations from the Visible Emission Line Coronagraph (VELC) onboard ADITYA-L1, India’s first solar mission launched by ISRO.
About Recent Observation:
- The VELC on ADITYA-L1 successfully captured and precisely estimated the onset time of a Coronal Mass Ejection (CME) that erupted from the Sun on July 16, marking the first scientific result from India’s solar mission.
- The VELC’s unique capabilities allowed scientists to observe the CME close to the Sun’s surface, a breakthrough as such observations are typically visible only at a greater distance from the Sun.
About Visible Emission Line Coronagraph (VELC) on ADITYA-L1:
- Purpose: To observe the solar corona and study Coronal Mass Ejections (CMEs) and the solar wind.
- Structure: Comprises a coronagraph, spectrograph, polarimetry module, and detectors with auxiliary optics.
- Capabilities: Enables simultaneous imaging, spectroscopy, and spectro-polarimetry near the Sun’s surface.
- Built by: Indian Institute of Astrophysics (IIA), CREST campus, Hosakote, Karnataka, in collaboration with ISRO.
- Functionality: Offers continuous monitoring of the solar corona, providing critical data for understanding solar activities and modeling CMEs, especially as the Sun reaches the peak of Solar Cycle 25.
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