Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1740-309 (2026b, independent mode)

Data - BVID - NED - MOJAVE - SIMBAD - PanSTARRS-1

Right ascension: 265.8245321615760°
Declination: -30.9718480904324°
No. sessions: 8
No. delays: 36
Defining: No
RMS(α cos δ) = 52.9244 mas
RMS(δ) = 58.9486 mas
Variability ellipse semimajor axis = 75.3868 mas
Variability ellipse semiminor axis = 24.3466 mas
Variability ellipse position angle = 41.1 deg
Equivalent α-δ correlation = 0.81

Observed in only 8 session(s)

Quarterly time series for 1740-309 (2026b, 4 global solutions)

Data

Right ascension: 265.8245292513203°
Declination: -30.9718493201687°
No. sessions: 7
No. delays: 33
Defining: No
RMS(α cos δ) = 4.5979 mas
RMS(δ) = 6.8945 mas
Variability ellipse semimajor axis = 7.4110 mas
Variability ellipse semiminor axis = 3.7083 mas
Variability ellipse position angle = -25.0 deg
Equivalent α-δ correlation = -0.50

Observed in only 7 session(s)