Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1838+249 (2026b, independent mode)

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

Right ascension: 280.0143418086234°
Declination: 24.9614478692625°
No. sessions: 6
No. delays: 537
Defining: No
RMS(α cos δ) = 17.2345 mas
RMS(δ) = 1.8123 mas
Variability ellipse semimajor axis = 17.3016 mas
Variability ellipse semiminor axis = 0.9837 mas
Variability ellipse position angle = 84.9 deg
Equivalent α-δ correlation = 0.84

Observed in only 6 session(s)

Quarterly time series for 1838+249 (2026b, 4 global solutions)

Data

Right ascension: 280.0143451019093°
Declination: 24.9614481300731°
No. sessions: 6
No. delays: 537
Defining: No
RMS(α cos δ) = 0.1785 mas
RMS(δ) = 0.3106 mas
Variability ellipse semimajor axis = 0.3320 mas
Variability ellipse semiminor axis = 0.1347 mas
Variability ellipse position angle = -22.7 deg
Equivalent α-δ correlation = -0.59

Observed in only 6 session(s)