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Table 1.
VLTI/PIONIER observations of the target stars and the corresponding angular diameters obtained in this work.
| Object | J | H | Ks | Night | Configuration | UD | χ2 | LDD | χ2 |
|---|---|---|---|---|---|---|---|---|---|
| [mag] | [mag] | [mag] | [mas] | [mas] | |||||
| AG Peg | 5.0 | 4.4 | 3.9 | 2012-08-13 | A1-G1-I1-K0 | 1.023±0.009 | 0.745 | 1.062±0.009 | 0.744 |
| FG Ser | 5.9 | 4.9 | 4.4 | 2012-07-03 | A1-G1-I1-K0 | 0.813±0.009 | 1.358 | 0.845±0.009 | 1.358 |
| 2012-08-13 | A1-G1-I1-K0 | 0.941±0.015 | 0.206 | 0.978±0.016 | 0.206 | ||||
| 2012-08-20 | A1-I1-K0 | 0.892±0.011 | 0.548 | 0.927±0.012 | 0.549 | ||||
| 2014-08-27 | A1-G1-J3-K0 | 0.853±0.004 | 0.571 | 0.887±0.005 | 0.571 | ||||
| 2014-09-22 | A1-G1-J3-K0 | 0.857±0.002 | 0.439 | 0.891±0.002 | 0.438 | ||||
| 2019-04-29 | A0-D0-G1-J3 | 0.887±0.008 | 0.745 | 0.922±0.009 | 0.744 | ||||
| 2019-05-02 | A0-G1-J2-J3 | 0.885±0.004 | 0.252 | 0.920±0.004 | 0.252 | ||||
| 2019-05-03 | A0-G1-J2-J3 | 0.894±0.003 | 0.310 | 0.929±0.003 | 0.309 | ||||
| ER Del | 6.2 | 5.3 | 5.0 | 2012-08-13 | A1-G1-I1-K0 | 0.613±0.009 | 0.150 | 0.636±0.009 | 0.150 |
| V1261 Ori | 3.3 | 2.4 | 2.1 | 2012-03-02 | A1-G1-I1-K0 | 2.292±0.003 | 0.531 | 2.383±0.003 | 0.533 |
| RW Hya | 5.7 | 4.9 | 4.6 | 2014-08-27 | A1-G1-J3-K0 | 0.619±0.010 | 0.317 | 0.642±0.010 | 0.317 |
| V399 Pav | 6.7 | 5.8 | 5.4 | 2014-08-27 | A1-G1-J3-K0 | 0.517±0.016 | 0.501 | 0.536±0.017 | 0.501 |
| 2014-10-06 | A1-G1-J3-K0 | 0.493±0.031 | 0.581 | 0.511±0.033 | 0.581 |
Notes. Angular diameters are provided for both the uniform disk (UD) and limb-darkened disk (LDD) models. The infrared magnitudes for the analyzed stars shown in the Table are from 2MASS (Skrutskie et al. 2006).
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