Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1609+190 (2026b, independent mode)

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

Right ascension: 242.9543645416185°
Declination: 18.9439187075787°
No. sessions: 8
No. delays: 800
Defining: No
RMS(α cos δ) = 3.3562 mas
RMS(δ) = 0.4396 mas
Variability ellipse semimajor axis = 3.3804 mas
Variability ellipse semiminor axis = 0.1742 mas
Variability ellipse position angle = -83.1 deg
Equivalent α-δ correlation = -0.92

Observed in only 8 session(s)

Quarterly time series for 1609+190 (2026b, 4 global solutions)

Data

Right ascension: 242.9543647805243°
Declination: 18.9439187091986°
No. sessions: 8
No. delays: 800
Defining: No
RMS(α cos δ) = 0.1166 mas
RMS(δ) = 0.2400 mas
Variability ellipse semimajor axis = 0.2460 mas
Variability ellipse semiminor axis = 0.1035 mas
Variability ellipse position angle = -13.9 deg
Equivalent α-δ correlation = -0.42

Observed in only 8 session(s)