Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1604+554 (2026b, independent mode)

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

Right ascension: 241.5317436482713°
Declination: 55.3598378081306°
No. sessions: 11
No. delays: 196
Defining: No
RMS(α cos δ) = 4.0524 mas
RMS(δ) = 2.2884 mas
Variability ellipse semimajor axis = 4.1048 mas
Variability ellipse semiminor axis = 2.1931 mas
Variability ellipse position angle = -79.1 deg
Equivalent α-δ correlation = -0.24

Observed in only 11 session(s)

Quarterly time series for 1604+554 (2026b, 4 global solutions)

Data

Right ascension: 241.5317442317321°
Declination: 55.3598377703700°
No. sessions: 11
No. delays: 196
Defining: No
RMS(α cos δ) = 3.2429 mas
RMS(δ) = 1.9865 mas
Variability ellipse semimajor axis = 3.2462 mas
Variability ellipse semiminor axis = 1.9811 mas
Variability ellipse position angle = 86.7 deg
Equivalent α-δ correlation = 0.06

Observed in only 11 session(s)