Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1311+678 (2026a, independent mode)

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

Right ascension: 198.3666205465763°
Declination: 67.5973224574162°
No. sessions: 5
No. delays: 285
Defining: No
RMS(α cos δ) = 0.9610 mas
RMS(δ) = 1.5916 mas
Variability ellipse semimajor axis = 1.7701 mas
Variability ellipse semiminor axis = 0.5687 mas
Variability ellipse position angle = -27.5 deg
Equivalent α-δ correlation = -0.75

Observed in only 5 session(s)

Quarterly time series for 1311+678 (2026a, 4 global solutions)

Data

Right ascension: 198.3666205935743°
Declination: 67.5973222996879°
No. sessions: 5
No. delays: 285
Defining: No
RMS(α cos δ) = 0.7296 mas
RMS(δ) = 1.5503 mas
Variability ellipse semimajor axis = 1.7029 mas
Variability ellipse semiminor axis = 0.1893 mas
Variability ellipse position angle = -24.6 deg
Equivalent α-δ correlation = -0.96

Observed in only 5 session(s)