Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 0123+257 (2026a, independent mode)

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

Right ascension: 21.6783029487473°
Declination: 25.9836942413528°
No. sessions: 84
No. delays: 4805
Defining: No
RMS(α cos δ) = 2.2395 mas
RMS(δ) = 2.4559 mas
Variability ellipse semimajor axis = 3.4731 mas
Variability ellipse semiminor axis = 1.0079 mas
Variability ellipse position angle = -42.7 deg
Equivalent α-δ correlation = -1.19

Quarterly time series for 0123+257 (2026a, 4 global solutions)

Data

Right ascension: 21.6783026361239°
Declination: 25.9836944217334°
No. sessions: 70
No. delays: 3072
Defining: No
RMS(α cos δ) = 0.1756 mas
RMS(δ) = 0.3369 mas
Variability ellipse semimajor axis = 0.3373 mas
Variability ellipse semiminor axis = 0.1749 mas
Variability ellipse position angle = -3.1 deg
Equivalent α-δ correlation = -0.08