Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1604+159 (2026b, independent mode)

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

Right ascension: 241.7767936840094°
Declination: 15.8595793315438°
No. sessions: 7
No. delays: 670
Defining: No
RMS(α cos δ) = 0.2795 mas
RMS(δ) = 1.0276 mas
Variability ellipse semimajor axis = 1.0432 mas
Variability ellipse semiminor axis = 0.2139 mas
Variability ellipse position angle = -10.1 deg
Equivalent α-δ correlation = -0.63

Observed in only 7 session(s)

Quarterly time series for 1604+159 (2026b, 4 global solutions)

Data

Right ascension: 241.7767936163932°
Declination: 15.8595793296900°
No. sessions: 7
No. delays: 670
Defining: No
RMS(α cos δ) = 0.1814 mas
RMS(δ) = 0.2542 mas
Variability ellipse semimajor axis = 0.2596 mas
Variability ellipse semiminor axis = 0.1736 mas
Variability ellipse position angle = 15.7 deg
Equivalent α-δ correlation = 0.21

Observed in only 7 session(s)