VizieR Online Data Catalog: GIBS sources equivalent widths (Zhao+, 2021)

Giraffe Inner Bulge Survey (GIBS; Zoccali et al., 2014A&A...562A..66Z) is a survey of red clump (RC) stars selected from the Vista Variables in the Via Lactea (VVV; Minniti et al., 2010NewA...15..433M) catalogs in the Milky Way bulge. We make use of 4797 low-resolution spectra from 20 observational fields in GIBS survey. The GIBS spectra analyzed here are from the GIRAFFE LR8 setup at the resolution R=6500. The DIB features on the spectra were fitted by a Gaussian profile using the technique based on the Gaussian process after subtracting the stellar components by a template of RC star. The equivalent width (EW) was then calculated by the fitted depth and width of the profile. The error of EW was estimated considering the contributions of both the random noise and the mismatches between the GIBS spectra and the template.

(1 data file).