Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1813+031 (2026b, independent mode)

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

Right ascension: 274.0216830023879°
Declination: 3.1524101217865°
No. sessions: 5
No. delays: 303
Defining: No
RMS(α cos δ) = 0.3004 mas
RMS(δ) = 0.5873 mas
Variability ellipse semimajor axis = 0.5878 mas
Variability ellipse semiminor axis = 0.2994 mas
Variability ellipse position angle = -2.8 deg
Equivalent α-δ correlation = -0.07

Observed in only 5 session(s)

Quarterly time series for 1813+031 (2026b, 4 global solutions)

Data

Right ascension: 274.0216830688887°
Declination: 3.1524100709689°
No. sessions: 5
No. delays: 303
Defining: No
RMS(α cos δ) = 0.2482 mas
RMS(δ) = 0.3221 mas
Variability ellipse semimajor axis = 0.3263 mas
Variability ellipse semiminor axis = 0.2426 mas
Variability ellipse position angle = 13.8 deg
Equivalent α-δ correlation = 0.14

Observed in only 5 session(s)