Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 0444+634 (2026a, independent mode)

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

Right ascension: 72.3471273999613°
Declination: 63.5359539383655°
No. sessions: 45
No. delays: 2943
Defining: No
RMS(α cos δ) = 0.3689 mas
RMS(δ) = 0.3910 mas
Variability ellipse semimajor axis = 0.3928 mas
Variability ellipse semiminor axis = 0.3670 mas
Variability ellipse position angle = -15.3 deg
Equivalent α-δ correlation = -0.03

Quarterly time series for 0444+634 (2026a, 4 global solutions)

Data

Right ascension: 72.3471273441432°
Declination: 63.5359539107634°
No. sessions: 43
No. delays: 2504
Defining: No
RMS(α cos δ) = 0.1630 mas
RMS(δ) = 0.2454 mas
Variability ellipse semimajor axis = 0.2517 mas
Variability ellipse semiminor axis = 0.1531 mas
Variability ellipse position angle = 16.2 deg
Equivalent α-δ correlation = 0.27