Table 1
Observing log, radio fluxes and spectral indexes of the EVLA data on Cyg OB2 #9.
| Date | HJD | Orbital | Config | J2007+4029 | Cyg OB2 #9 | ||||||||||||||||
|
|
|||||||||||||||||||||
| –2 450 000 | phase | C-band (6 cm) | L-band (20 cm) | C-band (6 cm) | L-band (20 cm) | Spectral | |||||||||||||||
| (Jy) | (Jy) | (mJy) | (mJy) | index | |||||||||||||||||
| 2011-02-07 | 5599.51 | 0.836 | CnB | 3.540 ± 0.017 | 2.158 ± 0.067 | 6.91 ± 0.06 | 4.01 ± 0.12 | 0.43 ± 0.02 | |||||||||||||
| 2011-03-27 | 5648.28 | 0.892 | B | 3.541 ± 0.004 | 2.088 ± 0.024 | 5.60 ± 0.04 | 3.89 ± 0.32 | 0.29 ± 0.07 | |||||||||||||
| 2011-04-03 | 5655.28 | 0.901 | B | 4.237 ± 0.029 | 2.077 ± 0.022 | 6.68 ± 0.05 | 5.01 ± 0.07 | 0.23 ± 0.01 | |||||||||||||
| 2011-05-02 | 5684.16 | 0.934 | B | 3.675 ± 0.003 | 2.159 ± 0.040 | 5.26 ± 0.05 | 3.91 ± 0.06 | 0.23 ± 0.01 | |||||||||||||
| 2011-05-20 | 5702.09 | 0.955 | BnA | 3.592 ± 0.006 | 2.057 ± 0.013 | 0.49 ± 0.05 | ≤0.16 | ≥0.91 | |||||||||||||
| 2011-06-16 | 5729.12 | 0.986 | A | 3.278 ± 0.005 | 1.893 ± 0.012 | 0.27 ± 0.04 | ≤0.15 | ≥0.48 | |||||||||||||
| 2011-06-27 | 5740.07 | 0.999 | A | 3.278 ± 0.005 | 1.948 ± 0.009 | 0.27 ± 0.05 | ≤0.19 | ≥0.26 | |||||||||||||
| 2011-07-07 | 5750.06 | 0.011 | A | 3.240 ± 0.005 | 1.901 ± 0.013 | 0.35 ± 0.04 | ≤0.16 | ≥0.60 | |||||||||||||
| 2011-07-27 | 5769.94 | 0.034 | A | 3.371 ± 0.005 | 1.971 ± 0.005 | 0.49 ± 0.04 | ≤0.17 | ≥0.81 | |||||||||||||
| 2011-08-12 | 5785.86 | 0.052 | A | 3.443 ± 0.005 | 2.013 ± 0.006 | 0.72 ± 0.04 | ≤0.17 | ≥1.13 | |||||||||||||
| 2011-08-28 | 5801.81 | 0.071 | A | 3.361 ± 0.006 | 2.008 ± 0.008 | 0.89 ± 0.05 | 0.29 ± 0.06 | 0.88 ± 0.17 | |||||||||||||
Notes.We list observing date, heliocentric Julian date, orbital phase (using the Sect. 3.2 value for the period) and configuration of the EVLA. The fluxes of the phase calibrator J2007+4029 are listed next (at 6 and 20 cm), followed by the 6 and 20 cm fluxes of Cyg OB2 #9 and their spectral index. All fluxes have been calibrated on the flux calibrator 3C 147.
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