Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1938+666 (2026b, independent mode)

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

Right ascension: 294.6054328148798°
Declination: 66.8147859167698°
No. sessions: 4
No. delays: 34
Defining: No
RMS(α cos δ) = 51.5811 mas
RMS(δ) = 130.3088 mas
Variability ellipse semimajor axis = 135.5040 mas
Variability ellipse semiminor axis = 35.7724 mas
Variability ellipse position angle = 16.5 deg
Equivalent α-δ correlation = 0.69

Observed in only 4 session(s)

Quarterly time series for 1938+666 (2026b, 4 global solutions)

Data

Right ascension: 294.6054346886027°
Declination: 66.8147883104356°
No. sessions: 4
No. delays: 34
Defining: No
RMS(α cos δ) = 51.0312 mas
RMS(δ) = 128.4768 mas
Variability ellipse semimajor axis = 133.3997 mas
Variability ellipse semiminor axis = 36.2627 mas
Variability ellipse position angle = 16.2 deg
Equivalent α-δ correlation = 0.67

Observed in only 4 session(s)