Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1647+744 (2026b, independent mode)

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

Right ascension: 251.5632195495876°
Declination: 74.3197420620418°
No. sessions: 9
No. delays: 285
Defining: No
RMS(α cos δ) = 1.2863 mas
RMS(δ) = 6.0261 mas
Variability ellipse semimajor axis = 6.0638 mas
Variability ellipse semiminor axis = 1.0950 mas
Variability ellipse position angle = 6.4 deg
Equivalent α-δ correlation = 0.52

Observed in only 9 session(s)

Quarterly time series for 1647+744 (2026b, 4 global solutions)

Data

Right ascension: 251.5632195184852°
Declination: 74.3197420172255°
No. sessions: 8
No. delays: 282
Defining: No
RMS(α cos δ) = 0.9547 mas
RMS(δ) = 5.5614 mas
Variability ellipse semimajor axis = 5.5890 mas
Variability ellipse semiminor axis = 0.7766 mas
Variability ellipse position angle = 5.7 deg
Equivalent α-δ correlation = 0.58

Observed in only 8 session(s)