Paris Observatory Geodetic VLBI Center

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

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

Right ascension: 241.7767936805976°
Declination: 15.8595793386112°
No. sessions: 6
No. delays: 603
Defining: No
RMS(α cos δ) = 0.2959 mas
RMS(δ) = 1.1078 mas
Variability ellipse semimajor axis = 1.1206 mas
Variability ellipse semiminor axis = 0.2429 mas
Variability ellipse position angle = -8.8 deg
Equivalent α-δ correlation = -0.56

Observed in only 6 session(s)

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

Data

Right ascension: 241.7767936252990°
Declination: 15.8595793432609°
No. sessions: 7
No. delays: 670
Defining: No
RMS(α cos δ) = 0.2067 mas
RMS(δ) = 0.2357 mas
Variability ellipse semimajor axis = 0.2585 mas
Variability ellipse semiminor axis = 0.1774 mas
Variability ellipse position angle = 34.3 deg
Equivalent α-δ correlation = 0.34

Observed in only 7 session(s)