Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1104+728 (2026b, independent mode)

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

Right ascension: 166.9238437647705°
Declination: 72.5433346274343°
No. sessions: 62
No. delays: 2154
Defining: No
RMS(α cos δ) = 1.2722 mas
RMS(δ) = 3.1252 mas
Variability ellipse semimajor axis = 3.1535 mas
Variability ellipse semiminor axis = 1.2005 mas
Variability ellipse position angle = 8.3 deg
Equivalent α-δ correlation = 0.31

Observed in only 62 session(s)

Quarterly time series for 1104+728 (2026b, 4 global solutions)

Data

Right ascension: 166.9238439851575°
Declination: 72.5433347478262°
No. sessions: 61
No. delays: 2064
Defining: No
RMS(α cos δ) = 0.2280 mas
RMS(δ) = 0.2585 mas
Variability ellipse semimajor axis = 0.2599 mas
Variability ellipse semiminor axis = 0.2263 mas
Variability ellipse position angle = -12.5 deg
Equivalent α-δ correlation = -0.06

Observed in only 61 session(s)