Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1226+638 (2026b, independent mode)

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

Right ascension: 187.2751087934831°
Declination: 63.5836068220722°
No. sessions: 5
No. delays: 498
Defining: No
RMS(α cos δ) = 0.3589 mas
RMS(δ) = 0.3972 mas
Variability ellipse semimajor axis = 0.4994 mas
Variability ellipse semiminor axis = 0.1928 mas
Variability ellipse position angle = 41.0 deg
Equivalent α-δ correlation = 0.74

Observed in only 5 session(s)

Quarterly time series for 1226+638 (2026b, 4 global solutions)

Data

Right ascension: 187.2751088040393°
Declination: 63.5836066951100°
No. sessions: 5
No. delays: 498
Defining: No
RMS(α cos δ) = 0.1874 mas
RMS(δ) = 0.2566 mas
Variability ellipse semimajor axis = 0.3000 mas
Variability ellipse semiminor axis = 0.1046 mas
Variability ellipse position angle = 33.5 deg
Equivalent α-δ correlation = 0.76

Observed in only 5 session(s)