Table B.1
Field of view and angular resolution characteristics probed by VLTI/MATISSE for the observation of 3 Puppis.
| Spectral band | Coverage ∆λ (μm) | Centred wavelength λ0 (μm) | Angular resolution θr (mas) | Super resolution θ+ (mas) | FoVAT (mas) | FoVinterf (mas) |
|---|---|---|---|---|---|---|
| L-band | 3.0 - 3.9 | 3.45 | 1.77 | 0.88 | 593 | 63 |
| M-band | 4.5 - 4.9 | 4.75 | 2.43 | 1.22 | 816 | 87 |
| N-band | 8.0 - 12 | 10.0 | 5.12 | 2.56 | 2291 | 183 |
Notes. The FoV coherently perceived by VLTI/MATISSE is referred to as the interferometric FoV, noted ‘FoVinterf’. In contrast, the photometric FoV, noted ‘FoVAT’, corresponds to the FoV that is limited by the aperture, D, of a single telescope dish (e.g. in the case of VLTI/MATISSE, this aperture refers to the size of an AT dish) and is modulated by a coefficient c due to the pinhole size, following the relation FoVAT = cλ0/D (Lopez et al. 2022).
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