Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1937+381 (2026a, independent mode)

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

Right ascension: 294.8898619607908°
Declination: 38.2931635322228°
No. sessions: 4
No. delays: 390
Defining: No
RMS(α cos δ) = 0.2807 mas
RMS(δ) = 0.4097 mas
Variability ellipse semimajor axis = 0.4657 mas
Variability ellipse semiminor axis = 0.1726 mas
Variability ellipse position angle = -30.7 deg
Equivalent α-δ correlation = -0.72

Observed in only 4 session(s)

Quarterly time series for 1937+381 (2026a, 4 global solutions)

Data

Right ascension: 294.8898619930702°
Declination: 38.2931634558565°
No. sessions: 5
No. delays: 413
Defining: No
RMS(α cos δ) = 0.1150 mas
RMS(δ) = 0.1674 mas
Variability ellipse semimajor axis = 0.1948 mas
Variability ellipse semiminor axis = 0.0576 mas
Variability ellipse position angle = -32.3 deg
Equivalent α-δ correlation = -0.81

Observed in only 5 session(s)