Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1331-109 (2026b, independent mode)

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

Right ascension: 203.4593097737932°
Declination: -11.2143550705697°
No. sessions: 10
No. delays: 596
Defining: No
RMS(α cos δ) = 11.9925 mas
RMS(δ) = 27.8537 mas
Variability ellipse semimajor axis = 30.5166 mas
Variability ellipse semiminor axis = 3.4080 mas
Variability ellipse position angle = -23.9 deg
Equivalent α-δ correlation = -1.05

Observed in only 10 session(s)

Quarterly time series for 1331-109 (2026b, 4 global solutions)

Data

Right ascension: 203.4593091913561°
Declination: -11.2143541452135°
No. sessions: 10
No. delays: 596
Defining: No
RMS(α cos δ) = 0.1700 mas
RMS(δ) = 0.1802 mas
Variability ellipse semimajor axis = 0.2071 mas
Variability ellipse semiminor axis = 0.1359 mas
Variability ellipse position angle = -40.7 deg
Equivalent α-δ correlation = -0.39

Observed in only 10 session(s)