T’puram: A team of international astronomers has conducted a broad new survey of our galaxy, Milky Way, which has revealed the signature that was previously invisible with unprecedented sensitivity and details that signal form and die.
The results were published in a series of paper in ‘astronomy & astrophysics’ by the team, which included scientists from the Indian Science Institute (IIST) and Indian Institute of Science and Technology (IIST) in Thiruvananthapuram.
Data for surveys, which stretched most of the Milky Way, were collected using two strong radio telescopes: Karl G Jansky Array (VLA) in the Observatory of National Radio Astronomy, US, and Radio Effelsberg 100-M Telescope operated by the Max Planck Institute for Radio Astronomy, Germany, as part of the glostar (global display on Star Formation in the Milky Way).
Nirupam Roy, Assistant Professor in the Department of Physics, and Rohit Dokara, a former undergraduate student from IISC, and Jagadheep D Pandian, Associate Professor in the Department of Earth Sciences & Space in Iist, Thiruvananthapuram is among Indian scientists who are among Indian scientists who are among Indian scientists part of the project.
The previous survey was detected only about a third of the remnants of the expected supernova (SNR) in the Milky Way (which was almost 1,000).
The Glostar team has now found 80 new SNR candidates, more expected to be identified.
They can also confirm the presence of 77 SNR candidates previously found and reclassified some of the wrong identified.
“This is an important step to resolve the long mystery lost from the remnants of the lost supernova,” Dokara said.