Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1650+581 (2026b, independent mode)

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

Right ascension: 252.8452720725513°
Declination: 58.0951243195994°
No. sessions: 9
No. delays: 61
Defining: No
RMS(α cos δ) = 33.8321 mas
RMS(δ) = 10.3674 mas
Variability ellipse semimajor axis = 34.7214 mas
Variability ellipse semiminor axis = 6.8203 mas
Variability ellipse position angle = -76.7 deg
Equivalent α-δ correlation = -0.74

Observed in only 9 session(s)

Quarterly time series for 1650+581 (2026b, 4 global solutions)

Data

Right ascension: 252.8452737680554°
Declination: 58.0951230292685°
No. sessions: 6
No. delays: 52
Defining: No
RMS(α cos δ) = 8.8308 mas
RMS(δ) = 2.0917 mas
Variability ellipse semimajor axis = 8.8321 mas
Variability ellipse semiminor axis = 2.0863 mas
Variability ellipse position angle = -89.0 deg
Equivalent α-δ correlation = -0.07

Observed in only 6 session(s)