Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1508+572 (2026b, independent mode)

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

Right ascension: 227.5121766607444°
Declination: 57.0453821842468°
No. sessions: 129
No. delays: 7010
Defining: Yes
RMS(α cos δ) = 14.6789 mas
RMS(δ) = 4.5579 mas
Variability ellipse semimajor axis = 15.5192 mas
Variability ellipse semiminor axis = 2.1450 mas
Variability ellipse position angle = -71.2 deg
Equivalent α-δ correlation = -1.12

Quarterly time series for 1508+572 (2026b, 4 global solutions)

Data

Right ascension: 227.5121765796293°
Declination: 57.0453822055493°
No. sessions: 123
No. delays: 7037
Defining: Yes
RMS(α cos δ) = 0.2214 mas
RMS(δ) = 0.2658 mas
Variability ellipse semimajor axis = 0.2762 mas
Variability ellipse semiminor axis = 0.2083 mas
Variability ellipse position angle = 24.4 deg
Equivalent α-δ correlation = 0.21