Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 2221-387 (2026b, independent mode)

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

Right ascension: 336.1831722090581°
Declination: -38.5258418093869°
No. sessions: 9
No. delays: 277
Defining: No
RMS(α cos δ) = 1.2135 mas
RMS(δ) = 1.9006 mas
Variability ellipse semimajor axis = 1.9491 mas
Variability ellipse semiminor axis = 1.1340 mas
Variability ellipse position angle = -15.8 deg
Equivalent α-δ correlation = -0.29

Observed in only 9 session(s)

Quarterly time series for 2221-387 (2026b, 4 global solutions)

Data

Right ascension: 336.1831722139452°
Declination: -38.5258419931755°
No. sessions: 9
No. delays: 277
Defining: No
RMS(α cos δ) = 0.6167 mas
RMS(δ) = 1.1192 mas
Variability ellipse semimajor axis = 1.1899 mas
Variability ellipse semiminor axis = 0.4660 mas
Variability ellipse position angle = -21.6 deg
Equivalent α-δ correlation = -0.60

Observed in only 9 session(s)