Paris Observatory Geodetic VLBI Center

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

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

Right ascension: 249.8542299838960°
Declination: 86.5314256495415°
No. sessions: 6
No. delays: 376
Defining: No
RMS(α cos δ) = 4.8753 mas
RMS(δ) = 2.9886 mas
Variability ellipse semimajor axis = 5.5463 mas
Variability ellipse semiminor axis = 1.3924 mas
Variability ellipse position angle = 60.4 deg
Equivalent α-δ correlation = 0.85

Observed in only 6 session(s)

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

Data

Right ascension: 249.8542298310256°
Declination: 86.5314256385538°
No. sessions: 6
No. delays: 376
Defining: No
RMS(α cos δ) = 0.5954 mas
RMS(δ) = 0.3869 mas
Variability ellipse semimajor axis = 0.6711 mas
Variability ellipse semiminor axis = 0.2322 mas
Variability ellipse position angle = -60.5 deg
Equivalent α-δ correlation = -0.74

Observed in only 6 session(s)