Open Access
Table 1
VEGA/CHARA observing logs and parameters for the auto-correlation and cross-correlation data reduction processes.
| Observing date | Tel. | Proj. baseline | r 0 | λ/Δλ | Pol. | Calib. | Auto-corr. (continuum) | Cross-corr. (Hα) | |||||
| L | PA | λ 0 | δλ |
|
δ λ cross | Δλcross | |||||||
| (m) | (deg) | (cm) | (HD) | (nm) | (nm) | (nm) | (nm) | (nm) | |||||
|
|
|||||||||||||
| 2008 Oct. 08 | 08.27 | S1-S2 | 29.8 | −19 | 15 | 5000 | none | 6961 | 646.1 | 12.5 | 0.87 ± 0.05 | 0.4 | 20 |
| 664.1 | 9 | 0.86 ± 0.06 | |||||||||||
| 08.42 | S1-S2 | 29.7 | −21 | 15 | 5000 | none | 6961 | 646.1 | 12.5 | 0.85 ± 0.05 | 0.4 | 20 | |
| 08.55 | S1-S2 | 29.5 | −23 | 15 | 5000 | none | 6961 | 646.1 | 12.5 | 0.88 ± 0.06 | 0.4 | 20 | |
| 664.1 | 9 | 0.88 ± 0.10 | |||||||||||
| 2009 Jul. 25 | 11.51 | W1-W2 | 107.4 | 109.1 | 9 | 5000 | none | 3360 | 669.0 | 18 | 0.50 ± 0.02 | – | – |
| 2009 Jul. 31 | 12.03 | W1-W2 | 107.9 | 100.1 | 20 | 5000 | none | 3360 | 669.0 | 18 | 0.43 ± 0.02 | – | – |
| 2009 Aug. 01 | 10.12 | W1-W2 | 105.4 | 122.8 | 10 | 5000 | none | 3360 | 669.0 | 18 | 0.54 ± 0.02 | – | – |
| 2009 Oct. 26 | 07.13 | S1-S2 | 29.8 | −20 | 6 | 5000 | none | 12303 | 669.5 | 17 | 0.63 ± 0.04 | – | – |
| 2009 Nov. 17 | 02.14 | S1-S2 | 30.2 | 13.8 | 15 | 30 000 | none | none | – | – | – | 0.05 | 5.5 |
| 02.33 | S1-S2 | 30.3 | 11.7 | 12 | 30 000 | none | none | – | – | – | 0.05 | 5.5 | |
| 02.45 | S1-S2 | 30.4 | 9.7 | 15 | 30 000 | none | none | – | – | – | 0.05 | 5.5 | |
| 2009 Nov. 18 | 04.17 | S1-S2 | 30.0 | −5.8 | 12 | 30 000 | none | none | – | – | – | 0.05 | 5.5 |
| 2009 Nov. 20 | 04.15 | W1-W2 | 107.5 | 107.2 | 10 | 5000 | none | 3360 | 669.5 | 17 | 0.51 ± 0.04 | – | – |
| 2010 Jul. 29 | 11.02 | W1-W2 | 106.4 | 116.5 | 10 | 5000 | none | 3360 | 672.8 | 21 | 0.50 ± 0.03 | 0.4 | 20 |
| 11.26 | W1-W2 | 107.5 | 111.13 | 10 | 5000 | none | 3360 | 672.8 | 21 | 0.50 ± 0.03 | 0.4 | 20 | |
| 11.48 | W1-W2 | 107.6 | 106.8 | 10 | 5000 | none | 3360 | 672.8 | 21 | 0.50 ± 0.02 | 0.4 | 20 | |
| 2010 Jul. 30 | 07.32 | W1-W2 | 98.0 | 169.2 | 11 | 5000 | none | 3360 | 672.5 | 21 | 0.44 ± 0.01 | – | – |
| 10.17 | W1-W2 | 104.73 | 126.5 | 10 | 5000 | none | 3360 | 672.5 | 21 | 0.47 ± 0.02 | 0.4 | 20 | |
| 2010 Jul. 31 | 08.52 | S1-S2 | 29.8 | 19.4 | 8 | 5000 | none | 6961 | 669.25 | 16.5 | 0.91 ± 0.03 | 0.4 | 20 |
| 09.04 | S1-S2 | 30.0 | 17.4 | 8 | 5000 | Woll. | 6961 | – | – | – | 0.4 | 20 | |
| 09.25 | S1-S2 | 30.1 | 14.7 | 9 | 5000 | none | 6961 | 669.25 | 16.5 | 0.88 ± 0.03 | 0.4 | 20 | |
| 2010 Aug. 01 | 10.01 | S1-S2 | 30.4 | 7.9 | 10 | 5000 | none | 6961 | 669.75 | 17.5 | 0.82 ± 0.02 | 0.4 | 20 |
| 10.32 | S1-S2 | 31.8 | 3.6 | 10 | 5000 | Woll. | 6961 | – | – | – | 0.4 | 20 | |
| 11.03 | S1-S2 | 30.5 | −2.5 | 10 | 5000 | none | 6961 | 669.75 | 17.5 | 0.77 ± 0.02 | 0.4 | 20 | |
| 2010 Aug. 29 | 10.57 | E2-E1 | 65.5 | −133.7 | ?? | 5000 | none | 3360 | 672.00 | 20 | 6.4 ± 0.6 × 10-2 | – | – |
| E2-W2 | 155.8 | –127.1 | 2.1 ± 0.1 × 10-2 | – | – | ||||||||
| E1-W2 | 221.0 | –129.1 | 9.6 ± 2.7 × 10-3 | – | – | ||||||||
| 2010 Aug. 29 | 11.37 | E2-E1 | 65.8 | −143.3 | ?? | 5000 | none | 3360 | 672.00 | 20 | 7.0 ± 0.2 × 10-2 | – | – |
| E2-W2 | 156.2 | −136.8 | 1.8 ± 0.1 × 10-2 | – | – | ||||||||
| E1-W2 | 221.8 | −138.8 | 2.9 ± 2.0 × 10-3 | – | – | ||||||||
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