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Table 3

Fabry-perot observational setup.

Fabry-Perot Parameters Values

Telescope SPM 2.1 m
Date 13th March 2013
Seeinga 1.̋5
Instrument PUMA-FP
Detector CCD Marconi
Pixel size 1.̋3/pix
Calibration lamp (λ) 6562.78 Å
Resolution (λ/ Δλ) 8031
Filter Central Wavelength 6607 Å
Filter Transmission 66%@6586 Å
Filter FWHM (Δλ) 89 Å
Finesse@Hα 24
Interferometer order@Hα 330
Free spectral range@Hα 19.7 Å– 911 km s-1
Number of scanning steps 47
Sampling step 0.43 Å–19.38 km s-1
Interferometer FWHM (δλ) 0.82 Å
Total exposure time (s) 11 280



Seeing estimated via an unbinned direct image with a pixel scale of 0.33"/px.

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