Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1722+330 (2026a, independent mode)

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

Right ascension: 261.0591576464802°
Declination: 33.0510942090173°
No. sessions: 114
No. delays: 2955
Defining: No
RMS(α cos δ) = 3.6483 mas
RMS(δ) = 3.6606 mas
Variability ellipse semimajor axis = 4.6580 mas
Variability ellipse semiminor axis = 2.2389 mas
Variability ellipse position angle = -44.8 deg
Equivalent α-δ correlation = -0.62

Quarterly time series for 1722+330 (2026a, 4 global solutions)

Data

Right ascension: 261.0591576257575°
Declination: 33.0510942072937°
No. sessions: 96
No. delays: 2701
Defining: No
RMS(α cos δ) = 0.2492 mas
RMS(δ) = 0.4149 mas
Variability ellipse semimajor axis = 0.4273 mas
Variability ellipse semiminor axis = 0.2273 mas
Variability ellipse position angle = -16.3 deg
Equivalent α-δ correlation = -0.34