Table 3
Calibrator properties.
| Calibrator name: | η Sgr | ϵ Peg | 30 Psc | 2 Cen | α Hya |
| HD 167618 | HD 206778 | HD 224935 | HD 120323 | HD 81797 | |
| Associated targeta: | R Aql (46.4°) | R Aql (42.8°) | R Aqr (10.3°) | W Hya (6.1°) | V Hya (23.8°) |
| R Hya (12.0°) | |||||
|
|
|||||
| Spectral classificationb: | M2 III | K2 Ib var | M3 III | M5 III | K3 III |
| Parallaxb (mas): | 21.87 ± 0.92 | 4.85 ± 0.84 | 7.86 ± 0.94 | 18.39 ± 0.74 | 18.40 ± 0.78 |
| 12 μm fluxc (Jy): | 214 ± 9 | 104 ± 5 | 87 ± 4 | 255 ± 26 | 158 ± 10 |
| Angular diameterc (mas): | 11.66 ± 0.04 | 7.59 ± 0.05 | 7.24 ± 0.03 | 13.25 ± 0.06 | 9.14 ± 0.05 |
| Quality flagd: | 1 | 1 | 1 | 2 | 1 |
Notes.
For target properties see Table 1. The angular separation between calibrator and target is given in brackets.
Hipparcos (Perryman & ESA 1997b);
IRAS flux and model diameter from Verhoelst (2005), http://www.ster.kuleuven.ac.be/~tijl/MIDI_calibration/mcc.txt;
ESO CalVin database, http://www.eso.org/observing/etc/
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