Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1801+459 (2026b, independent mode)

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

Right ascension: 270.6047613923277°
Declination: 45.9596211526632°
No. sessions: 5
No. delays: 474
Defining: No
RMS(α cos δ) = 0.1644 mas
RMS(δ) = 0.2416 mas
Variability ellipse semimajor axis = 0.2889 mas
Variability ellipse semiminor axis = 0.0444 mas
Variability ellipse position angle = 33.6 deg
Equivalent α-δ correlation = 0.95

Observed in only 5 session(s)

Quarterly time series for 1801+459 (2026b, 4 global solutions)

Data

Right ascension: 270.6047614601073°
Declination: 45.9596211399825°
No. sessions: 5
No. delays: 474
Defining: No
RMS(α cos δ) = 0.0885 mas
RMS(δ) = 0.1645 mas
Variability ellipse semimajor axis = 0.1661 mas
Variability ellipse semiminor axis = 0.0855 mas
Variability ellipse position angle = 9.2 deg
Equivalent α-δ correlation = 0.22

Observed in only 5 session(s)