Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 2204-540 (2026b, independent mode)

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

Right ascension: 331.9322220946040°
Declination: -53.7760610885140°
No. sessions: 108
No. delays: 1560
Defining: No
RMS(α cos δ) = 653.5781 mas
RMS(δ) = 888.5444 mas
Variability ellipse semimajor axis = 1023.5801 mas
Variability ellipse semiminor axis = 411.0464 mas
Variability ellipse position angle = 32.8 deg
Equivalent α-δ correlation = 0.69

Quarterly time series for 2204-540 (2026b, 4 global solutions)

Data

Right ascension: 331.9322220515573°
Declination: -53.7760610955691°
No. sessions: 100
No. delays: 1469
Defining: No
RMS(α cos δ) = 0.2151 mas
RMS(δ) = 0.4317 mas
Variability ellipse semimajor axis = 0.4319 mas
Variability ellipse semiminor axis = 0.2146 mas
Variability ellipse position angle = 2.3 deg
Equivalent α-δ correlation = 0.06