Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1138+020 (2026b, independent mode)

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

Right ascension: 175.2870882456988°
Declination: 1.7888821408410°
No. sessions: 5
No. delays: 342
Defining: No
RMS(α cos δ) = 0.2576 mas
RMS(δ) = 0.4935 mas
Variability ellipse semimajor axis = 0.5224 mas
Variability ellipse semiminor axis = 0.1926 mas
Variability ellipse position angle = 20.6 deg
Equivalent α-δ correlation = 0.61

Observed in only 5 session(s)

Quarterly time series for 1138+020 (2026b, 4 global solutions)

Data

Right ascension: 175.2870882944517°
Declination: 1.7888820931275°
No. sessions: 5
No. delays: 342
Defining: No
RMS(α cos δ) = 0.2190 mas
RMS(δ) = 0.1367 mas
Variability ellipse semimajor axis = 0.2576 mas
Variability ellipse semiminor axis = 0.0171 mas
Variability ellipse position angle = -58.1 deg
Equivalent α-δ correlation = -0.99

Observed in only 5 session(s)