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Table 1

Journal of observations.

Source Date (Epoch) VLA configuration UT Range Beam size PA
[arcsec] [°]

HD 160934 13 Feb. 2009 B 17:15–22:15 1.01 × 0.79 35.9
EK Dra 29 Jan. 1993 AB 01:25–12:00 0.74 × 0.33 72.8
PW And 16 Sep. 1993 CD 06:00–16:00 10.90 × 3.28 80.5
LO Peg 5 May 1996 CD 12:50–18:10 7.63 × 3.44 82.0

Source Date (Epoch) VLBI arraya UT Range Beam size PA
[mas] [°]

HD 160934 30 Oct. 2012 Ef, Wb, Jb, On, Mc, Nt, Tr, Ys, Sv, Zc, Bd, Ur, Sh 10:30–20:30 2.29 × 1.59 28.4
′′ 23 May 2013 ′′ 21:00–07:00 2.20 × 1.76 31.3
′′ 5 Mar. 2014 ′′ 02:00–12:00 2.05 × 1.59 27.3
EK Dra 29 Oct. 2012 Ef, Wb, Jb, On, Mc, Nt, Tr, Ys, Sv, Zc, Bd, Ur, Sh 07:30–17:30 2.19 × 1.71 34.1
′′ 27 May 2013 ′′ 17:45–03:45 1.30 × 1.02 30.5
′′ 5 Mar. 2014 ′′ 16:30–02:30 1.79 × 0.96 13.0
Pw And 26 Oct. 2014 Ef, Wb, Jb, On, Nt, Tr, Ys, Sv, Zc, Bd, Sh 16:30–02:30 4.63 × 2.84 0.4
LO Peg 23 Oct. 2014 Ef, Wb, Jb, On, Nt, Tr, Ys, Sv, Zc, Bd, Sh, Hh 13:00–23:00 1.21 × 0.89 84.4

Notes.

(a)

Ef: Effelsberg, Wb: Westerbork, Jb: Jodrell Bank, On: Onsala, Mc: Medicina, Nt: Noto, Tr: Torun, Ys: Yebes, Sv: Svetloe, Zc: Zelenchukskaya, Bd: Badary, Ur: Urumqi, Sh: Shanghai, Hh: Hartebeesthoek.

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