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Other literature type . 2023
License: CC BY
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Presentation . 2023
License: CC BY
Data sources: Datacite
ZENODO
Presentation . 2023
License: CC BY
Data sources: Datacite
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Survey of the metal-poor stars with 2m Himalayan Chandra Telescope

Authors: Saraf, Pallavi; Sivarani, Thirupathi;

Survey of the metal-poor stars with 2m Himalayan Chandra Telescope

Abstract

We present chemical abundances of forty newly discovered bright (V< 12mag ) metal-poor stars from the HESP-GOMPA Survey observed in the recent 1.5 years. Most of these targets fall in the metallicity range of -2.5 to -1.5. This is an interesting metallicity where there is a significant change in the abundance trends of key elements indicating major milestones in the galaxy evolution or operation of new nucleosynthesis sites. The formation of the majority of thick disk and inner halo stars also falls in this metallicity range. We present detailed elemental abundances including several n-capture elements that have the potential to constraint ages, along with the kinematics of these stars to compare the chemical and kinematical origins of them. Many of these bright stars with detailed abundances could form benchmark stars for future metal-poor star surveys.

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Keywords

Milky Way, stellar nucleosynthesis, r-process, Galactic Components

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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