Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 0442+389 (2026a, independent mode)

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

Right ascension: 71.5478918720554°
Declination: 39.0047500204128°
No. sessions: 102
No. delays: 4723
Defining: No
RMS(α cos δ) = 3.3229 mas
RMS(δ) = 3.6288 mas
Variability ellipse semimajor axis = 4.5011 mas
Variability ellipse semiminor axis = 1.9876 mas
Variability ellipse position angle = 41.2 deg
Equivalent α-δ correlation = 0.67

Quarterly time series for 0442+389 (2026a, 4 global solutions)

Data

Right ascension: 71.5478917449535°
Declination: 39.0047499494814°
No. sessions: 86
No. delays: 4523
Defining: No
RMS(α cos δ) = 0.2014 mas
RMS(δ) = 0.3157 mas
Variability ellipse semimajor axis = 0.3185 mas
Variability ellipse semiminor axis = 0.1970 mas
Variability ellipse position angle = 9.5 deg
Equivalent α-δ correlation = 0.16