Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1809-286 (2026b, independent mode)

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

Right ascension: 273.1674677540163°
Declination: -28.6074842454284°
No. sessions: 6
No. delays: 349
Defining: No
RMS(α cos δ) = 0.8947 mas
RMS(δ) = 1.3649 mas
Variability ellipse semimajor axis = 1.5239 mas
Variability ellipse semiminor axis = 0.5840 mas
Variability ellipse position angle = 28.7 deg
Equivalent α-δ correlation = 0.68

Observed in only 6 session(s)

Quarterly time series for 1809-286 (2026b, 4 global solutions)

Data

Right ascension: 273.1674678281415°
Declination: -28.6074840402213°
No. sessions: 6
No. delays: 349
Defining: No
RMS(α cos δ) = 0.3396 mas
RMS(δ) = 0.2953 mas
Variability ellipse semimajor axis = 0.3974 mas
Variability ellipse semiminor axis = 0.2111 mas
Variability ellipse position angle = 52.1 deg
Equivalent α-δ correlation = 0.55

Observed in only 6 session(s)