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Optical observations explore the nature of supernova remnant G206.7+5.9
The LAMOST spectra revealed that the investigated regions of G206.7+5.9 showcase large ionized sulfur and ionized nitrogen to hydrogen-alpha ratios.
Phys.org1y
Astronomers detect nearly 200,000 candidate metal-poor stars
Metal-poor stars are rare objects as only a few thousands of stars with iron abundances [Fe/H] below -2 have been discovered so far. Currently, SMSS J0313–6708, with metallicity below -7.3, is ...
JSTOR Daily1y
Estimating Stellar Atmospheric Parameters from the LAMOST DR6 Spectra with SCDD Model
Publications of the Astronomical Society of the Pacific, Vol. 133, No. 1020 (2021 February), pp. 1-12 (12 pages) Accurate and efficient determination of stellar atmospheric parameters (Teff, logg, [Fe ...