Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 0813+557 (2026a, independent mode)

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

Right ascension: 124.4209166687893°
Declination: 55.6259116683134°
No. sessions: 5
No. delays: 461
Defining: No
RMS(α cos δ) = 0.5137 mas
RMS(δ) = 3.3411 mas
Variability ellipse semimajor axis = 3.3478 mas
Variability ellipse semiminor axis = 0.4686 mas
Variability ellipse position angle = -3.6 deg
Equivalent α-δ correlation = -0.41

Observed in only 5 session(s)

Quarterly time series for 0813+557 (2026a, 4 global solutions)

Data

Right ascension: 124.4209164759757°
Declination: 55.6259119787635°
No. sessions: 5
No. delays: 461
Defining: No
RMS(α cos δ) = 0.0669 mas
RMS(δ) = 0.1390 mas
Variability ellipse semimajor axis = 0.1493 mas
Variability ellipse semiminor axis = 0.0392 mas
Variability ellipse position angle = -22.1 deg
Equivalent α-δ correlation = -0.78

Observed in only 5 session(s)