Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1209-220 (2026b, independent mode)

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

Right ascension: 183.0154066073352°
Declination: -22.3643091394019°
No. sessions: 6
No. delays: 389
Defining: No
RMS(α cos δ) = 0.4349 mas
RMS(δ) = 0.6394 mas
Variability ellipse semimajor axis = 0.7578 mas
Variability ellipse semiminor axis = 0.1542 mas
Variability ellipse position angle = -33.2 deg
Equivalent α-δ correlation = -0.91

Observed in only 6 session(s)

Quarterly time series for 1209-220 (2026b, 4 global solutions)

Data

Right ascension: 183.0154065954508°
Declination: -22.3643090900149°
No. sessions: 6
No. delays: 389
Defining: No
RMS(α cos δ) = 0.3261 mas
RMS(δ) = 0.3045 mas
Variability ellipse semimajor axis = 0.3927 mas
Variability ellipse semiminor axis = 0.2118 mas
Variability ellipse position angle = -48.5 deg
Equivalent α-δ correlation = -0.55

Observed in only 6 session(s)