Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 0636+680 (2026b, independent mode)

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

Right ascension: 100.5177390963030°
Declination: 67.9765613179671°
No. sessions: 119
No. delays: 5710
Defining: No
RMS(α cos δ) = 1.1022 mas
RMS(δ) = 1.4250 mas
Variability ellipse semimajor axis = 1.7247 mas
Variability ellipse semiminor axis = 0.5207 mas
Variability ellipse position angle = -36.2 deg
Equivalent α-δ correlation = -0.82

Quarterly time series for 0636+680 (2026b, 4 global solutions)

Data

Right ascension: 100.5177391160913°
Declination: 67.9765613418446°
No. sessions: 115
No. delays: 5698
Defining: No
RMS(α cos δ) = 0.2168 mas
RMS(δ) = 0.2070 mas
Variability ellipse semimajor axis = 0.2467 mas
Variability ellipse semiminor axis = 0.1702 mas
Variability ellipse position angle = -48.7 deg
Equivalent α-δ correlation = -0.35