Table 2
Interferometric instruments/configurations used in this work.
| Name | Location | Max | Wavelength | Closure | Configuration | Number of | Active | Reference |
| baseline [m] | range [Å] | phase error [°] | chosen | telescopes | since/from | |||
|
|
||||||||
| VEGA | CHARAa | ~331 | ~6400−8800 | – | W2-E2-S1-E1 | 4 | 2009 | 1 |
| PAVO | CHARA | ~331 | ~6500−8000 | – | S1-W1-W2 | 3 | 2011 | 2 |
| VISION | NPOIb | ~432 | ~5500−8500 | – | AC0-AW0-AN0-E06 | 4 | 2014? | 3 |
| AC0-AE0-AW0-AN0-E06-W07 | 6 | 3 | ||||||
| CLIMB | CHARA | ~331 | 12862/21349 | – | S1-W1-W2 | 3 | 2005 | 4 |
| broad-band | ||||||||
| MIRC | CHARA | ~331 | ~14 000−18 000 | 0.1−0.2c | S1-S2-W1-W2-E1-E2 | 6 | 2007 | 5 |
| AMBER | VLTI d | 130 | ~21 200−25 000 | 0.20-0.37e | A1-G1-J3 | 3 | 2004 | 6 |
| PIONIER | VLTI | 130 | 16810/20510 | 0.25−1f | A1-G1-K0-J3 | 4 | 2010 | 7 |
| broad-band | ||||||||
| GRAVITY | VLTI | 130 | ~20 000−24 000 | 1g | A1-G1-K0-J3 | 4 | 2015? | 8 |
| MATISSE | VLTI | 130 | ~28 600−52 000 | <1.16h | A1-G1-K0-J3 | 4 | 2016? | 9 |
Notes. Some of the instruments may cover other wavelength ranges or be used with different configurations, but what we chose is a good representation for the purpose of the present work. All the information about the instrument/configuration/wavelengths have been retrieved on ASPRO2, except for VISION (Garcia, priv. comm.).
Absil et al. (2010) for medium resolution;
Reference. (1) Mourard et al. (2009); (2) Ireland et al. (2008); (3) Ghasempour et al. (2012); (4) ten Brummelaar et al. (2005); (5) Monnier et al. (2004); (6) Petrov et al. (2007); (7) Le Bouquin et al. (2011); (8) Eisenhauer et al. (2008); (9) Lopez et al. (2008).
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