Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1654+866 (2026a, independent mode)

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

Right ascension: 249.8542293889639°
Declination: 86.5314256463065°
No. sessions: 5
No. delays: 366
Defining: No
RMS(α cos δ) = 0.5208 mas
RMS(δ) = 0.3071 mas
Variability ellipse semimajor axis = 0.6093 mas
Variability ellipse semiminor axis = 0.0757 mas
Variability ellipse position angle = -58.9 deg
Equivalent α-δ correlation = -1.04

Observed in only 5 session(s)

Quarterly time series for 1654+866 (2026a, 4 global solutions)

Data

Right ascension: 249.8542299713970°
Declination: 86.5314256464454°
No. sessions: 5
No. delays: 366
Defining: No
RMS(α cos δ) = 0.5727 mas
RMS(δ) = 0.3935 mas
Variability ellipse semimajor axis = 0.6410 mas
Variability ellipse semiminor axis = 0.2684 mas
Variability ellipse position angle = -60.3 deg
Equivalent α-δ correlation = -0.65

Observed in only 5 session(s)