Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 0647+040 (2026b, independent mode)

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

Right ascension: 102.6588920759758°
Declination: 3.9690111791885°
No. sessions: 5
No. delays: 437
Defining: No
RMS(α cos δ) = 0.3747 mas
RMS(δ) = 0.8887 mas
Variability ellipse semimajor axis = 0.9232 mas
Variability ellipse semiminor axis = 0.2793 mas
Variability ellipse position angle = -16.4 deg
Equivalent α-δ correlation = -0.63

Observed in only 5 session(s)

Quarterly time series for 0647+040 (2026b, 4 global solutions)

Data

Right ascension: 102.6588920806428°
Declination: 3.9690111715710°
No. sessions: 5
No. delays: 437
Defining: No
RMS(α cos δ) = 0.1827 mas
RMS(δ) = 0.4378 mas
Variability ellipse semimajor axis = 0.4535 mas
Variability ellipse semiminor axis = 0.1392 mas
Variability ellipse position angle = 15.9 deg
Equivalent α-δ correlation = 0.61

Observed in only 5 session(s)