Spectroscopic and Photometric Observations of Kepler Asteroseismic Targets

TL;DR

This paper reports ground-based spectroscopic and photometric observations of Kepler asteroseismic targets, providing atmospheric parameters, binary discoveries, reddening estimates, and variable star identifications to support stellar analysis.

Contribution

It presents a comprehensive observational dataset of Kepler asteroseismic targets, including new binary detections, reddening measurements, and variable star classifications, enhancing stellar characterization.

Findings

62 stars with atmospheric and velocity parameters

Discovered 8 spectroscopic binaries

Identified multiple variable stars in NGC 6866

Abstract

We summarize our ground-based program of spectroscopic and photometric observations of the asteroseismic targets of the Kepler space telescope. We have already determined atmospheric parameters, projected velocity of rotation, and radial velocity of 62 Kepler asteroseismic targets and 33 other stars in the Kepler field of view. We discovered six single-lined and two double-lined spectroscopic binaries, we determined the interstellar reddening for 29 stars in the Kepler field of view, and discovered three delta Sct, two gamma Dor and 14 other variable stars in the field of NGC 6866.