Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1928+681 (2026b, independent mode)

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

Right ascension: 292.0856083597485°
Declination: 68.2497975763031°
No. sessions: 5
No. delays: 273
Defining: No
RMS(α cos δ) = 0.8986 mas
RMS(δ) = 0.8634 mas
Variability ellipse semimajor axis = 1.0154 mas
Variability ellipse semiminor axis = 0.7225 mas
Variability ellipse position angle = 48.4 deg
Equivalent α-δ correlation = 0.33

Observed in only 5 session(s)

Quarterly time series for 1928+681 (2026b, 4 global solutions)

Data

Right ascension: 292.0856083859645°
Declination: 68.2497974928717°
No. sessions: 5
No. delays: 273
Defining: No
RMS(α cos δ) = 0.5183 mas
RMS(δ) = 0.3949 mas
Variability ellipse semimajor axis = 0.5446 mas
Variability ellipse semiminor axis = 0.3577 mas
Variability ellipse position angle = -65.9 deg
Equivalent α-δ correlation = -0.31

Observed in only 5 session(s)