Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1931+149 (2026b, independent mode)

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

Right ascension: 293.3408541475154°
Declination: 15.0795558339732°
No. sessions: 5
No. delays: 430
Defining: No
RMS(α cos δ) = 0.2277 mas
RMS(δ) = 0.4958 mas
Variability ellipse semimajor axis = 0.4982 mas
Variability ellipse semiminor axis = 0.2224 mas
Variability ellipse position angle = -6.2 deg
Equivalent α-δ correlation = -0.19

Observed in only 5 session(s)

Quarterly time series for 1931+149 (2026b, 4 global solutions)

Data

Right ascension: 293.3408541747464°
Declination: 15.0795558020026°
No. sessions: 5
No. delays: 430
Defining: No
RMS(α cos δ) = 0.0600 mas
RMS(δ) = 0.2184 mas
Variability ellipse semimajor axis = 0.2239 mas
Variability ellipse semiminor axis = 0.0335 mas
Variability ellipse position angle = -12.9 deg
Equivalent α-δ correlation = -0.82

Observed in only 5 session(s)