Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1643+007 (2026a, independent mode)

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

Right ascension: 251.5290511223106°
Declination: 0.7075778475362°
No. sessions: 6
No. delays: 534
Defining: No
RMS(α cos δ) = 0.3361 mas
RMS(δ) = 0.8133 mas
Variability ellipse semimajor axis = 0.8535 mas
Variability ellipse semiminor axis = 0.2142 mas
Variability ellipse position angle = 18.2 deg
Equivalent α-δ correlation = 0.74

Observed in only 6 session(s)

Quarterly time series for 1643+007 (2026a, 4 global solutions)

Data

Right ascension: 251.5290511053002°
Declination: 0.7075776628460°
No. sessions: 6
No. delays: 534
Defining: No
RMS(α cos δ) = 0.0861 mas
RMS(δ) = 0.3908 mas
Variability ellipse semimajor axis = 0.3932 mas
Variability ellipse semiminor axis = 0.0745 mas
Variability ellipse position angle = -6.4 deg
Equivalent α-δ correlation = -0.49

Observed in only 6 session(s)