Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1604+183 (2026b, independent mode)

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

Right ascension: 241.5667825477005°
Declination: 18.2499497868430°
No. sessions: 5
No. delays: 445
Defining: No
RMS(α cos δ) = 1.0039 mas
RMS(δ) = 2.5421 mas
Variability ellipse semimajor axis = 2.6730 mas
Variability ellipse semiminor axis = 0.5704 mas
Variability ellipse position angle = 18.4 deg
Equivalent α-δ correlation = 0.80

Observed in only 5 session(s)

Quarterly time series for 1604+183 (2026b, 4 global solutions)

Data

Right ascension: 241.5667825761768°
Declination: 18.2499499457060°
No. sessions: 5
No. delays: 445
Defining: No
RMS(α cos δ) = 0.1013 mas
RMS(δ) = 0.3273 mas
Variability ellipse semimajor axis = 0.3363 mas
Variability ellipse semiminor axis = 0.0655 mas
Variability ellipse position angle = -13.5 deg
Equivalent α-δ correlation = -0.75

Observed in only 5 session(s)