Astrophysics (Index)About

SMSS J2003-1142

(J200322.54-114203.3, SMSS 2003-1142)
(unusual giant star in Milky Way halo)

SMSS J2003-1142 is a giant chemically peculiar star, having a very low metallicity but including r-process elements. This implies it formed from a cloud of material that is little-processed, but the processing included some type of event that hosted the r-process, making the star of research interest.

(star,giant star,metallicity)
Further reading:
https://phys.org/news/2021-07-massive-explosion-mystery-star.html
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=SMSS+J200322.54-114203.3
https://ui.adsabs.harvard.edu/abs/2021Natur.595..223Y/abstract
https://ui.adsabs.harvard.edu/abs/2021MNRAS.507.4102Y/abstract
https://ui.adsabs.harvard.edu/abs/2023MNRAS.518.1557R/abstract
RedshiftParsecs
/Distance		Lightyears
/Lookback Years		  
~02.30kpc7.50klySMSS J2003-1142
Coordinates:SMSS J2003-1142
J200322.54-114203.3
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