Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 2209+236 (2026b, independent mode)

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

Right ascension: 333.0248596595420°
Declination: 23.9279288548610°
No. sessions: 683
No. delays: 43227
Defining: Yes
RMS(α cos δ) = 2.9842 mas
RMS(δ) = 2.2742 mas
Variability ellipse semimajor axis = 3.2088 mas
Variability ellipse semiminor axis = 1.9445 mas
Variability ellipse position angle = 62.4 deg
Equivalent α-δ correlation = 0.39

Quarterly time series for 2209+236 (2026b, 4 global solutions)

Data

Right ascension: 333.0248596625837°
Declination: 23.9279288288598°
No. sessions: 661
No. delays: 43305
Defining: Yes
RMS(α cos δ) = 0.2084 mas
RMS(δ) = 0.1791 mas
Variability ellipse semimajor axis = 0.2087 mas
Variability ellipse semiminor axis = 0.1788 mas
Variability ellipse position angle = -84.2 deg
Equivalent α-δ correlation = -0.03