2021
DOI: 10.1093/mnras/stab471
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The GALAH survey: tracing the Galactic disc with open clusters

Abstract: Open clusters are unique tracers of the history of our own Galaxy’s disk. According to our membership analysis based on Gaia astrometry, out of the 226 potential clusters falling in the footprint of GALAH or APOGEE, we find that 205 have secure members that were observed by at least one of the survey. Furthermore, members of 134 clusters have high-quality spectroscopic data that we use to determine their chemical composition. We leverage this information to study the chemical distribution throughout the Galact… Show more

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Cited by 88 publications
(80 citation statements)
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“…The slope of the inner metallicity gradient (i.e., b 1 ) is another important parameter which is tightly linked to the evolution of our Galaxy. Our value of −0.064 ± 0.007 kpc −1 is in excellent agreement with many recent works based on open clusters [47,48,97,113,116].…”
Section: Galactic Metallicity Gradientssupporting
confidence: 92%
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“…The slope of the inner metallicity gradient (i.e., b 1 ) is another important parameter which is tightly linked to the evolution of our Galaxy. Our value of −0.064 ± 0.007 kpc −1 is in excellent agreement with many recent works based on open clusters [47,48,97,113,116].…”
Section: Galactic Metallicity Gradientssupporting
confidence: 92%
“…A similar figure showing flatter gradients for younger populations, including OB stars, was previously presented in Daflon and Cunha [37] for oxygen, keeping in mind that the latter element is measured in H II regions, OB stars, planetary nebulae and Cepheids.) As discussed previously in the literature [36,48,91,97], the young [Fe/H]-R Gal gradient is flatter than the old one. Interestingly, the gradients traced by the youngest clusters are remarkably similar to those traced by Cepheids and young field stars.…”
Section: Galactic Metallicity Gradientssupporting
confidence: 63%
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