Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 2031+216 (2026b, independent mode)

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

Right ascension: 308.3834658901858°
Declination: 21.7728910659382°
No. sessions: 6
No. delays: 470
Defining: No
RMS(α cos δ) = 17.1383 mas
RMS(δ) = 9.5846 mas
Variability ellipse semimajor axis = 19.3467 mas
Variability ellipse semiminor axis = 3.3603 mas
Variability ellipse position angle = -61.8 deg
Equivalent α-δ correlation = -0.92

Observed in only 6 session(s)

Quarterly time series for 2031+216 (2026b, 4 global solutions)

Data

Right ascension: 308.3834638036955°
Declination: 21.7728916624829°
No. sessions: 5
No. delays: 467
Defining: No
RMS(α cos δ) = 0.2318 mas
RMS(δ) = 0.0587 mas
Variability ellipse semimajor axis = 0.2319 mas
Variability ellipse semiminor axis = 0.0581 mas
Variability ellipse position angle = 87.9 deg
Equivalent α-δ correlation = 0.13

Observed in only 5 session(s)