Paris Observatory Geodetic VLBI Center

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

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

Right ascension: 71.5478917647920°
Declination: 39.0047499168890°
No. sessions: 101
No. delays: 4568
Defining: No
RMS(α cos δ) = 3.4032 mas
RMS(δ) = 3.7269 mas
Variability ellipse semimajor axis = 4.6202 mas
Variability ellipse semiminor axis = 2.0312 mas
Variability ellipse position angle = 41.1 deg
Equivalent α-δ correlation = 0.67

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

Data

Right ascension: 71.5478917508177°
Declination: 39.0047499562700°
No. sessions: 86
No. delays: 4523
Defining: No
RMS(α cos δ) = 0.2225 mas
RMS(δ) = 0.3252 mas
Variability ellipse semimajor axis = 0.3329 mas
Variability ellipse semiminor axis = 0.2110 mas
Variability ellipse position angle = 15.9 deg
Equivalent α-δ correlation = 0.24

Observed in only 86 session(s)