Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1803-642 (2026b, independent mode)

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

Right ascension: 271.9751364549915°
Declination: -64.2305872370864°
No. sessions: 9
No. delays: 182
Defining: No
RMS(α cos δ) = 1.1482 mas
RMS(δ) = 1.6382 mas
Variability ellipse semimajor axis = 1.8594 mas
Variability ellipse semiminor axis = 0.7379 mas
Variability ellipse position angle = -31.0 deg
Equivalent α-δ correlation = -0.68

Observed in only 9 session(s)

Quarterly time series for 1803-642 (2026b, 4 global solutions)

Data

Right ascension: 271.9751364113933°
Declination: -64.2305872342992°
No. sessions: 9
No. delays: 182
Defining: No
RMS(α cos δ) = 0.2189 mas
RMS(δ) = 0.3513 mas
Variability ellipse semimajor axis = 0.3519 mas
Variability ellipse semiminor axis = 0.2180 mas
Variability ellipse position angle = -4.0 deg
Equivalent α-δ correlation = -0.07

Observed in only 9 session(s)