Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1648+417 (2026b, independent mode)

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

Right ascension: 252.5228338858081°
Declination: 41.6756737772180°
No. sessions: 3
No. delays: 189
Defining: No
RMS(α cos δ) = 0.6918 mas
RMS(δ) = 0.3808 mas
Variability ellipse semimajor axis = 0.6924 mas
Variability ellipse semiminor axis = 0.3798 mas
Variability ellipse position angle = -87.3 deg
Equivalent α-δ correlation = -0.06

Observed in only 3 session(s)

Quarterly time series for 1648+417 (2026b, 4 global solutions)

Data

Right ascension: 252.5228335338143°
Declination: 41.6756737272331°
No. sessions: 3
No. delays: 189
Defining: No
RMS(α cos δ) = 0.2188 mas
RMS(δ) = 0.2583 mas
Variability ellipse semimajor axis = 0.3338 mas
Variability ellipse semiminor axis = 0.0564 mas
Variability ellipse position angle = 39.9 deg
Equivalent α-δ correlation = 0.94

Observed in only 3 session(s)