Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1938+745 (2026b, independent mode)

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

Right ascension: 294.2613866522858°
Declination: 74.6817568648744°
No. sessions: 4
No. delays: 444
Defining: No
RMS(α cos δ) = 3.2730 mas
RMS(δ) = 2.5469 mas
Variability ellipse semimajor axis = 3.8192 mas
Variability ellipse semiminor axis = 1.6165 mas
Variability ellipse position angle = 55.3 deg
Equivalent α-δ correlation = 0.67

Observed in only 4 session(s)

Quarterly time series for 1938+745 (2026b, 4 global solutions)

Data

Right ascension: 294.2613891566720°
Declination: 74.6817572644634°
No. sessions: 4
No. delays: 444
Defining: No
RMS(α cos δ) = 0.1684 mas
RMS(δ) = 0.1109 mas
Variability ellipse semimajor axis = 0.1856 mas
Variability ellipse semiminor axis = 0.0787 mas
Variability ellipse position angle = -62.3 deg
Equivalent α-δ correlation = -0.62

Observed in only 4 session(s)