Gaia Data Release 2
Free Access

Fig. 16


Top: first public spectrum from RVS, of the V = 6.67 K5 star HIP 86564 identifying the major spectral features. The electronic bias has been subtracted and a wavelength calibration applied. This single CCD exposure has a S/N ~ 125. Bottom: a spectrum in the RVS spectral range of the same star taken with the NARVAL spectrograph at Observatoire Pic du Midi, convolved to the same spectral resolving power as the RVS spectrum.

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