Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1311+552 (2026b, independent mode)

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

Right ascension: 198.4077214284592°
Declination: 54.9733055075745°
No. sessions: 5
No. delays: 398
Defining: No
RMS(α cos δ) = 0.8548 mas
RMS(δ) = 0.8168 mas
Variability ellipse semimajor axis = 1.1464 mas
Variability ellipse semiminor axis = 0.2894 mas
Variability ellipse position angle = 46.4 deg
Equivalent α-δ correlation = 0.88

Observed in only 5 session(s)

Quarterly time series for 1311+552 (2026b, 4 global solutions)

Data

Right ascension: 198.4077215146478°
Declination: 54.9733055902136°
No. sessions: 5
No. delays: 398
Defining: No
RMS(α cos δ) = 0.0695 mas
RMS(δ) = 0.2166 mas
Variability ellipse semimajor axis = 0.2233 mas
Variability ellipse semiminor axis = 0.0436 mas
Variability ellipse position angle = 14.3 deg
Equivalent α-δ correlation = 0.76

Observed in only 5 session(s)