Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1939+813 (2026b, independent mode)

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

Right ascension: 293.8446611002428°
Declination: 81.5040427777861°
No. sessions: 7
No. delays: 543
Defining: No
RMS(α cos δ) = 42.2592 mas
RMS(δ) = 6.1842 mas
Variability ellipse semimajor axis = 42.8910 mas
Variability ellipse semiminor axis = 3.9439 mas
Variability ellipse position angle = -80.1 deg
Equivalent α-δ correlation = -1.19

Observed in only 7 session(s)

Quarterly time series for 1939+813 (2026b, 4 global solutions)

Data

Right ascension: 293.8446796906681°
Declination: 81.5040424258247°
No. sessions: 7
No. delays: 543
Defining: No
RMS(α cos δ) = 0.3795 mas
RMS(δ) = 0.3403 mas
Variability ellipse semimajor axis = 0.4744 mas
Variability ellipse semiminor axis = 0.1866 mas
Variability ellipse position angle = -49.2 deg
Equivalent α-δ correlation = -0.73

Observed in only 7 session(s)