Open Access

Table 1.

MEGARA VPH gratings and observation details used in this work.

Program Grism Spectral coverage R. L. D. R Observing Date texp Airmass Seeing Atm. Conditions
[Å] [Å pix−1] [s] [″]
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10)
GTC8-20AMEX LR-R (VPH675_LR) 6100-7300 0.32 6100 23 June 2020 3×1000 1.31 1.2 Clear
GTC8-20AMEX MR-G (VPH521_MR) 4970-5445 0.13 12035 23 June 2020 3×1000 1.16 1.2 Clear
GTC1-24AMEX LR-V (VPH570_LR) 5140-6170 0.27 6080 11 May 2024 6×1120 1.05 0.9 Clear

Notes. Column (1): Observing program; Column (2): VPH grating ID; Column (3): Spectral coverage of the setup; Column (4): Reciprocal linear dispersion; Column (5): Spectral resolution; Column (6): Observing date; Column (7): Exposure time; Column (8): Airmass measured at the beginning of the observation; Column (9): Seeing (FWHM); Column (10) Atmospheric conditions of the night.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.