Open Access

Table B.1.

Number of stars from each survey.

Survey N RRab
Gaia DR3 3442
APOGEE 1921
SDSS 2458
LAMOST LRS 2308
GALAH 9
Total 10,138

Notes. Each survey is listed with its acronym as follows: Gaia DR3 https://www.cosmos.esa.int/web/gaia/dr3; Apache Point Observatory Galactic Evolution Experiment (APOGEE) https://www.sdss4.org/dr17/irspec/; Sloan Digital Sky Survey (SDSS) https://www.sdss.org/dr18/; Large Sky Area Multi-Object Fiber Spectroscopic Telescope Low Resolution Spectrograph (LAMOST LRS) https://www.lamost.org/dr8/v2.0/doc/lr-data-production-description; Galactic Archaeology with HERMES (GALAH) https://www.galah-survey.org/dr3/overview/.

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