Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 0804+499 (2026a, independent mode)

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

Right ascension: 122.1652768423910°
Declination: 49.8434784846780°
No. sessions: 1642
No. delays: 112011
Defining: Yes
RMS(α cos δ) = 44.2640 mas
RMS(δ) = 218.8380 mas
Variability ellipse semimajor axis = 218.8515 mas
Variability ellipse semiminor axis = 44.1972 mas
Variability ellipse position angle = -0.6 deg
Equivalent α-δ correlation = -0.05

Quarterly time series for 0804+499 (2026a, 4 global solutions)

Data

Right ascension: 122.1652761889752°
Declination: 49.8434806712429°
No. sessions: 1566
No. delays: 105713
Defining: Yes
RMS(α cos δ) = 0.1360 mas
RMS(δ) = 0.1483 mas
Variability ellipse semimajor axis = 0.1581 mas
Variability ellipse semiminor axis = 0.1244 mas
Variability ellipse position angle = -34.2 deg
Equivalent α-δ correlation = -0.22