Table 1
Details of EVN observations.
| Source(a) | Pointing positions (J2000) | Velocity peak | Phase-calibrator | Observing runs(b) (and 1σrms levels) | Synthesised beam(c) | |
|---|---|---|---|---|---|---|
| Gll.lll±bb.bbb | RA (h:m:s) | Dec(°:’:”) | (km s−1) | (mJy) | (mas×mas; PA(°)) | |
| G23.207−00.377 | 18:34:55.21212 | −08:49:11.8926 | 77.1 | J1825–0737 | A(4), E(4) | 8.3 × 4.1; −27 |
| G23.389+00.185 | 18:33:14.32477 | −08:23:57.4723 | 75.4 | J1825–0737 | A(4), E(4) | 8.3 × 4.1; −27 |
| G23.657−00.127 | 18:34:51.56482 | −08:18:21.3045 | 82.6 | J1825–0737 | A(4), E(4) | 9.0 × 4.0; −28 |
| G28.817+00.365 | 18:42:37.34797 | −03:29:40.9216 | 90.7 | J1834–0301 | C(4), G(4) | 7.9 × 4.1; −30 |
| G31.047 +00.356 | 18:46:43.85506 | −01:30:54.1551 | 80.7 | J1834–0301 | C(4), G(4) | 7.5 × 4.1; −32 |
| G31.581+00.077 | 18:48:41.94108 | −01:10:02.5281 | 95.6 | J1834–0301 | D(6), H(6) | 9.3 × 5.5; +4.7 |
Notes. (a)The names are the Galactic coordinates of the brightest maser spots as in Bartkiewicz et al. (2009). (b)The project EB052 was observed in the following runs: A (2/03/2013), C (4/03/2013), D (5/03/2013), E (15/03/2015), G (18/03/2015) and H (19/03/2015). (c)The sizes as in the runs A, C, D carried out in 2013.
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