Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1811+430 (2026b, independent mode)

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

Right ascension: 273.3112061208323°
Declination: 43.0710214224148°
No. sessions: 5
No. delays: 466
Defining: No
RMS(α cos δ) = 0.6863 mas
RMS(δ) = 0.4233 mas
Variability ellipse semimajor axis = 0.7823 mas
Variability ellipse semiminor axis = 0.1952 mas
Variability ellipse position angle = 60.2 deg
Equivalent α-δ correlation = 0.85

Observed in only 5 session(s)

Quarterly time series for 1811+430 (2026b, 4 global solutions)

Data

Right ascension: 273.3112061620963°
Declination: 43.0710214215554°
No. sessions: 5
No. delays: 466
Defining: No
RMS(α cos δ) = 0.3401 mas
RMS(δ) = 0.2860 mas
Variability ellipse semimajor axis = 0.4394 mas
Variability ellipse semiminor axis = 0.0661 mas
Variability ellipse position angle = 50.1 deg
Equivalent α-δ correlation = 0.95

Observed in only 5 session(s)