Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 0309+411 (2026a, independent mode)

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

Right ascension: 48.2581755952252°
Declination: 41.3336620997725°
No. sessions: 124
No. delays: 6263
Defining: No
RMS(α cos δ) = 3.5022 mas
RMS(δ) = 3.9795 mas
Variability ellipse semimajor axis = 4.7009 mas
Variability ellipse semiminor axis = 2.4502 mas
Variability ellipse position angle = 38.5 deg
Equivalent α-δ correlation = 0.56

Quarterly time series for 0309+411 (2026a, 4 global solutions)

Data

Right ascension: 48.2581754718226°
Declination: 41.3336620581777°
No. sessions: 106
No. delays: 6056
Defining: No
RMS(α cos δ) = 0.1760 mas
RMS(δ) = 0.2119 mas
Variability ellipse semimajor axis = 0.2122 mas
Variability ellipse semiminor axis = 0.1756 mas
Variability ellipse position angle = -5.7 deg
Equivalent α-δ correlation = -0.04