New Star In The Sky! Bengaluru Institute Of Science And Technology Discovers Celestial Body

By displaying symptoms of having originated through the fusion of two independent processes that were previously believed to occur in distinct astrophysical contexts, a new star has upended scientists’ preexisting understanding of the mechanisms involved in celestial body formation. It can aid in understanding how various star formation processes affect the chemical make-up of stars.

Asymptotic Giant Branch working

Nuclear astrophysics phenomena referred to as neutron capture processes result in the creation of elements other than iron. The asymptotic giant branch (AGB) phase of low-mass stars is thought to be where the slow process takes place, while supernovae and neutron star mergers are thought to be where the quick process takes place. Low-metallicity, low-mass AGB stars are one of the suggested locations for intermediate processes. For a knowledge of the chemical development of galaxies and the beginnings of the elements in the universe, it is crucial to comprehend the relative contributions of these processes to the elemental makeup of stars.

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Unusual star known as HE 1005-1439

A unusual star known as HE 1005-1439 has been found by astronomers at the Indian Institute of Astrophysics (IIA, Bangalore), an autonomous institute under the Department of Science & Technology (DST), Government of India. This star is categorized as a carbon-enhanced metal-poor (CEMP) star. The star that defies categorization and casts doubt on earlier theories about how stars emerge appears to have been created by combining two different neutron-capture processes: the slow and intermediate neutron-capture processes.

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Partha Pratim Goswami’s research at IIA

Partha Pratim Goswami’s research at IIA, under the direction of Prof. Aruna Goswami, examined the chemical makeup of the star’s surface using high-resolution spectroscopic data obtained by the High Dispersion Spectrograph (HDS) mounted on the Subaru telescope (Japan). The researchers discovered that the star is substantially loaded with neutron-capture materials and has a thousand times lower iron concentration than the sun.