Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 2128+681 (2026b, independent mode)

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

Right ascension: 322.4074135007080°
Declination: 68.3303190363330°
No. sessions: 5
No. delays: 470
Defining: No
RMS(α cos δ) = 0.1994 mas
RMS(δ) = 0.1031 mas
Variability ellipse semimajor axis = 0.2050 mas
Variability ellipse semiminor axis = 0.0916 mas
Variability ellipse position angle = 75.0 deg
Equivalent α-δ correlation = 0.41

Observed in only 5 session(s)

Quarterly time series for 2128+681 (2026b, 4 global solutions)

Data

Right ascension: 322.4074136017569°
Declination: 68.3303189658606°
No. sessions: 5
No. delays: 470
Defining: No
RMS(α cos δ) = 0.3302 mas
RMS(δ) = 0.1465 mas
Variability ellipse semimajor axis = 0.3308 mas
Variability ellipse semiminor axis = 0.1453 mas
Variability ellipse position angle = -86.3 deg
Equivalent α-δ correlation = -0.12

Observed in only 5 session(s)