Paris Observatory Geodetic VLBI Center

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

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

Right ascension: 251.5290511223862°
Declination: 0.7075778473161°
No. sessions: 6
No. delays: 534
Defining: No
RMS(α cos δ) = 0.3361 mas
RMS(δ) = 0.8126 mas
Variability ellipse semimajor axis = 0.8530 mas
Variability ellipse semiminor axis = 0.2136 mas
Variability ellipse position angle = 18.3 deg
Equivalent α-δ correlation = 0.74

Observed in only 6 session(s)

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

Data

Right ascension: 251.5290511049083°
Declination: 0.7075776348101°
No. sessions: 6
No. delays: 534
Defining: No
RMS(α cos δ) = 0.0776 mas
RMS(δ) = 0.3008 mas
Variability ellipse semimajor axis = 0.3051 mas
Variability ellipse semiminor axis = 0.0587 mas
Variability ellipse position angle = -9.7 deg
Equivalent α-δ correlation = -0.64

Observed in only 6 session(s)