Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1331-195 (2026b, independent mode)

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

Right ascension: 203.4382320725827°
Declination: -19.8450953680694°
No. sessions: 6
No. delays: 344
Defining: No
RMS(α cos δ) = 0.1557 mas
RMS(δ) = 0.5249 mas
Variability ellipse semimajor axis = 0.5277 mas
Variability ellipse semiminor axis = 0.1461 mas
Variability ellipse position angle = 6.0 deg
Equivalent α-δ correlation = 0.33

Observed in only 6 session(s)

Quarterly time series for 1331-195 (2026b, 4 global solutions)

Data

Right ascension: 203.4382320356240°
Declination: -19.8450954176953°
No. sessions: 6
No. delays: 344
Defining: No
RMS(α cos δ) = 0.0736 mas
RMS(δ) = 0.2516 mas
Variability ellipse semimajor axis = 0.2563 mas
Variability ellipse semiminor axis = 0.0554 mas
Variability ellipse position angle = -11.1 deg
Equivalent α-δ correlation = -0.64

Observed in only 6 session(s)