Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 0109+224 (2026a, independent mode)

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

Right ascension: 18.0242697876487°
Declination: 22.7441072885696°
No. sessions: 385
No. delays: 20055
Defining: No
RMS(α cos δ) = 1.9214 mas
RMS(δ) = 1.8855 mas
Variability ellipse semimajor axis = 2.2402 mas
Variability ellipse semiminor axis = 1.4928 mas
Variability ellipse position angle = -46.4 deg
Equivalent α-δ correlation = -0.38

Quarterly time series for 0109+224 (2026a, 4 global solutions)

Data

Right ascension: 18.0242696371147°
Declination: 22.7441073248219°
No. sessions: 348
No. delays: 16425
Defining: No
RMS(α cos δ) = 0.1666 mas
RMS(δ) = 0.1948 mas
Variability ellipse semimajor axis = 0.1971 mas
Variability ellipse semiminor axis = 0.1638 mas
Variability ellipse position angle = -15.8 deg
Equivalent α-δ correlation = -0.10