Paris Observatory Geodetic VLBI Center

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

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

Right ascension: 198.3666205478949°
Declination: 67.5973224568993°
No. sessions: 5
No. delays: 285
Defining: No
RMS(α cos δ) = 0.9613 mas
RMS(δ) = 1.5910 mas
Variability ellipse semimajor axis = 1.7699 mas
Variability ellipse semiminor axis = 0.5682 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 (2026b, 4 global solutions)

Data

Right ascension: 198.3666206041836°
Declination: 67.5973222955887°
No. sessions: 5
No. delays: 285
Defining: No
RMS(α cos δ) = 0.7196 mas
RMS(δ) = 1.5431 mas
Variability ellipse semimajor axis = 1.6950 mas
Variability ellipse semiminor axis = 0.1618 mas
Variability ellipse position angle = -24.5 deg
Equivalent α-δ correlation = -0.97

Observed in only 5 session(s)