Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 0552+398 (2026b, independent mode)

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

Right ascension: 88.8782642965112°
Declination: 39.8135946727756°
No. sessions: 5346
No. delays: 484373
Defining: Yes
RMS(α cos δ) = 15570.1866 mas
RMS(δ) = 11867.5928 mas
Variability ellipse semimajor axis = 18874.6150 mas
Variability ellipse semiminor axis = 5198.0169 mas
Variability ellipse position angle = 53.9 deg
Equivalent α-δ correlation = 0.85

Quarterly time series for 0552+398 (2026b, 4 global solutions)

Data

Right ascension: 88.8783567122046°
Declination: 39.8136569356291°
No. sessions: 5293
No. delays: 484272
Defining: Yes
RMS(α cos δ) = 0.1649 mas
RMS(δ) = 0.2032 mas
Variability ellipse semimajor axis = 0.2039 mas
Variability ellipse semiminor axis = 0.1640 mas
Variability ellipse position angle = -8.2 deg
Equivalent α-δ correlation = -0.06