Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1938+371 (2026a, independent mode)

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

Right ascension: 294.9658603535752°
Declination: 37.2251356855459°
No. sessions: 5
No. delays: 406
Defining: No
RMS(α cos δ) = 0.5301 mas
RMS(δ) = 0.5540 mas
Variability ellipse semimajor axis = 0.6550 mas
Variability ellipse semiminor axis = 0.3986 mas
Variability ellipse position angle = 42.2 deg
Equivalent α-δ correlation = 0.46

Observed in only 5 session(s)

Quarterly time series for 1938+371 (2026a, 4 global solutions)

Data

Right ascension: 294.9658604090387°
Declination: 37.2251356025654°
No. sessions: 5
No. delays: 406
Defining: No
RMS(α cos δ) = 0.2825 mas
RMS(δ) = 0.3084 mas
Variability ellipse semimajor axis = 0.3122 mas
Variability ellipse semiminor axis = 0.2783 mas
Variability ellipse position angle = -20.0 deg
Equivalent α-δ correlation = -0.07

Observed in only 5 session(s)