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| NIKA2 bandpasses of the 3 arrays are described in Section 2.5 and Figure 1 of [[https://ui.adsabs.harvard.edu/abs/2020A%26A...637A..71P/abstract|Perotto et al. (2020)]]. For convenience, we provide here a fits file [[attachment:Transmission_2017_Jan_NIKA2_v1.fits]] (priv. com. Juan-Macias Perez 12-Jun-2020). The 2mm bandpass is valid since September 2016 (Run N2R5). The following figure shows a resulting plot: {{attachment:nika2_bands.png}} |
NIKA2 bandpasses of the 3 arrays are described in Section 2.5 and Figure 1 of [[https://ui.adsabs.harvard.edu/abs/2020A%26A...637A..71P/abstract|Perotto et al. (2020)]]. For convenience, we provide here a fits file [[attachment:Transmission_2017_Jan_NIKA2_v1.fits]] (priv. com. Juan-Macias Perez 12-Jun-2020). The 2mm bandpass is valid since September 2016 (Run N2R5). |
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| {{attachment:atmos-transmission.png}} | === Figures === {{attachment:nika2_bands.png||height=550}} {{attachment:atmos-transmission.png||height=550}} |
Contents
Information for Observers on NIKA2 Bandpasses
Bandpasses of the NIKA2 Arrays
NIKA2 bandpasses of the 3 arrays are described in Section 2.5 and Figure 1 of Perotto et al. (2020). For convenience, we provide here a fits file Transmission_2017_Jan_NIKA2_v1.fits (priv. com. Juan-Macias Perez 12-Jun-2020). The 2mm bandpass is valid since September 2016 (Run N2R5).
Atmospheric transmission curves
The ATM model of J.Pardo & P.Cernicharo was used to calculate the atmospheric transmission at Pico Veleta for three different amounts of precipitable water vapour: 2, 4, 7mm: atmos2mm.dat, atmos4mm.dat, atmos7mm.dat.
Figures
Previous bandpasses of 2015
The spectral bands as measured in Néel (note that the two 1.15mm arrays are pretty similar but there is a detectable difference):
