Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1511-558 (2026b, independent mode)

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

Right ascension: 228.8028039618353°
Declination: -55.9924549235300°
No. sessions: 16
No. delays: 169
Defining: Yes
RMS(α cos δ) = 0.7632 mas
RMS(δ) = 1.6484 mas
Variability ellipse semimajor axis = 1.6859 mas
Variability ellipse semiminor axis = 0.6762 mas
Variability ellipse position angle = -13.2 deg
Equivalent α-δ correlation = -0.42

Observed in only 16 session(s)

Quarterly time series for 1511-558 (2026b, 4 global solutions)

Data

Right ascension: 228.8028038829572°
Declination: -55.9924550024984°
No. sessions: 15
No. delays: 166
Defining: Yes
RMS(α cos δ) = 0.7908 mas
RMS(δ) = 0.7163 mas
Variability ellipse semimajor axis = 0.8484 mas
Variability ellipse semiminor axis = 0.6471 mas
Variability ellipse position angle = 55.9 deg
Equivalent α-δ correlation = 0.25

Observed in only 15 session(s)