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Table 1

RSG stars in the star cluster RSGC3, observed with GIANO.

Ref RA (J2000) Dec (J2000) SpT J H K T eff A K RVhel RVLRS

S2 18 45 26.54 03 23 35.3 M3Ia 8.53 6.62 5.75 3605 1.20 90 106
S3 18 45 24.34 03 22 42.1 M4Ia 8.54 6.43 5.35 3535 1.47 86 102
S4 18 45 25.31 03 23 01.1 M3Ia 8.42 6.39 5.31 3605 1.44 90 106
S5 18 45 23.26 03 23 44.1 M2Ia 8.51 6.52 5.52 3660 1.43 92 108
S7 18 45 24.18 03 23 47.3 M0Ia 9.12 6.97 6.20 3790 1.40 91 107

Notes. Identification names, coordinates, spectral types, magnitudes, effective temperatures, reddening from Davies et al. (2009b); radial velocities (in the heliocentric and local standard of rest reference systems) in units of km s-1 from the GIANO spectra.

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