Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1428-311 (2026b, independent mode)

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

Right ascension: 217.7884374623864°
Declination: -31.3441337874465°
No. sessions: 4
No. delays: 150
Defining: No
RMS(α cos δ) = 30.3036 mas
RMS(δ) = 109.1828 mas
Variability ellipse semimajor axis = 113.0352 mas
Variability ellipse semiminor axis = 7.8891 mas
Variability ellipse position angle = -15.0 deg
Equivalent α-δ correlation = -0.96

Observed in only 4 session(s)

Quarterly time series for 1428-311 (2026b, 4 global solutions)

Data

Right ascension: 217.7884308484608°
Declination: -31.3441197955258°
No. sessions: 4
No. delays: 150
Defining: No
RMS(α cos δ) = 0.2270 mas
RMS(δ) = 0.6644 mas
Variability ellipse semimajor axis = 0.6832 mas
Variability ellipse semiminor axis = 0.1620 mas
Variability ellipse position angle = 13.8 deg
Equivalent α-δ correlation = 0.68

Observed in only 4 session(s)