Table 1
Positions and brightnesses.
| Source | RA (J2000) | Dec (J2000) | S p | θ sep | PA | V LSR | Beam |
| (h m s) | (° ′ ′′) | (Jy/beam) | (°) | (°) | (km s-1) | (mas mas °) | |
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) |
|
|
|||||||
| 22 GHz | |||||||
| NML Cyg....... | 20 46 25.5444 | 40 06 59.383 | 16−77 | ... | ... | 5.22 | 0.6 × 0.3 @ −08 |
| J2052 + 3635.... | 20 52 52.0550 | 36 35 35.300 | 0.050 | 3.7 | −19 | ... | 2.7 × 1.4 @ +31 |
| J2044 + 4005.... | 20 44 11.0877 | 40 05 36.360 | 0.005 | 0.4 | +87 | ... | 2.7 × 1.3 @ +25 |
| J2046 + 4106.... | 20 46 21.8414 | 41 06 01.107 | 0.014 | 1.0 | −01 | ... | 2.7 × 1.2 @ +24 |
| J2049 + 4118.... | 20 49 43.9548 | 41 18 14.583 | 0.011 | 1.3 | +28 | ... | 2.7 × 1.2 @ +26 |
| 43 GHz | |||||||
| NML Cyg....... | 20 46 25.5378 | 40 06 59.413 | 3.4 | ... | ... | −5.70 | 0.3 × 0.1 @ −07 |
| J2046 + 4106.... | 20 46 21.8414 | 41 06 01.107 | 0.017 | 1.0 | −01 | ... | 0.7 × 0.4 @ −25 |
Notes. The fourth and seventh columns give the peak brightnesses (Sp) and VLSR of reference maser spot. The fifth and sixth columns give the separations (θsep) and position angles (PA) east of north of the background sources relative to the maser. The last column gives the FWHM size and PA of the Gaussian restoring beam. Calibrator J2052 + 3635 is from the VLBA Calibrator Survey (VCS) by Kovalev et al. (2007). The other calibrators are from the VLA program BZ035.
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