Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1645+635 (2026b, independent mode)

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

Right ascension: 251.4939695100150°
Declination: 63.5030341020033°
No. sessions: 8
No. delays: 1043
Defining: No
RMS(α cos δ) = 0.2094 mas
RMS(δ) = 0.2713 mas
Variability ellipse semimajor axis = 0.3170 mas
Variability ellipse semiminor axis = 0.1304 mas
Variability ellipse position angle = 34.5 deg
Equivalent α-δ correlation = 0.69

Observed in only 8 session(s)

Quarterly time series for 1645+635 (2026b, 4 global solutions)

Data

Right ascension: 251.4939695470042°
Declination: 63.5030341098114°
No. sessions: 8
No. delays: 1043
Defining: No
RMS(α cos δ) = 0.0968 mas
RMS(δ) = 0.0969 mas
Variability ellipse semimajor axis = 0.1083 mas
Variability ellipse semiminor axis = 0.0838 mas
Variability ellipse position angle = -44.8 deg
Equivalent α-δ correlation = -0.25

Observed in only 8 session(s)