Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1256-220 (2026b, independent mode)

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

Right ascension: 194.7269951294535°
Declination: -22.3253133512874°
No. sessions: 44
No. delays: 1538
Defining: No
RMS(α cos δ) = 5.3743 mas
RMS(δ) = 21.3549 mas
Variability ellipse semimajor axis = 21.9973 mas
Variability ellipse semiminor axis = 1.0169 mas
Variability ellipse position angle = -13.8 deg
Equivalent α-δ correlation = -0.98

Observed in only 44 session(s)

Quarterly time series for 1256-220 (2026b, 4 global solutions)

Data

Right ascension: 194.7269949529156°
Declination: -22.3253125330161°
No. sessions: 44
No. delays: 1567
Defining: No
RMS(α cos δ) = 0.2198 mas
RMS(δ) = 0.3819 mas
Variability ellipse semimajor axis = 0.3869 mas
Variability ellipse semiminor axis = 0.2109 mas
Variability ellipse position angle = -10.9 deg
Equivalent α-δ correlation = -0.23

Observed in only 44 session(s)