Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 2220-351 (2026a, independent mode)

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

Right ascension: 335.7747107898488°
Declination: -34.9297715205944°
No. sessions: 104
No. delays: 3188
Defining: Yes
RMS(α cos δ) = 7.2913 mas
RMS(δ) = 5.5126 mas
Variability ellipse semimajor axis = 8.7567 mas
Variability ellipse semiminor axis = 2.6214 mas
Variability ellipse position angle = 54.5 deg
Equivalent α-δ correlation = 0.82

Quarterly time series for 2220-351 (2026a, 4 global solutions)

Data

Right ascension: 335.7747106589032°
Declination: -34.9297716516629°
No. sessions: 92
No. delays: 3152
Defining: Yes
RMS(α cos δ) = 0.4779 mas
RMS(δ) = 1.9653 mas
Variability ellipse semimajor axis = 2.0232 mas
Variability ellipse semiminor axis = 0.0502 mas
Variability ellipse position angle = 13.7 deg
Equivalent α-δ correlation = 1.01