Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1559+140 (2026b, independent mode)

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

Right ascension: 240.4772379635830°
Declination: 13.9529894312780°
No. sessions: 5
No. delays: 359
Defining: No
RMS(α cos δ) = 0.4343 mas
RMS(δ) = 1.1461 mas
Variability ellipse semimajor axis = 1.1996 mas
Variability ellipse semiminor axis = 0.2510 mas
Variability ellipse position angle = 17.5 deg
Equivalent α-δ correlation = 0.80

Observed in only 5 session(s)

Quarterly time series for 1559+140 (2026b, 4 global solutions)

Data

Right ascension: 240.4772380058611°
Declination: 13.9529896196312°
No. sessions: 5
No. delays: 359
Defining: No
RMS(α cos δ) = 0.2077 mas
RMS(δ) = 0.4803 mas
Variability ellipse semimajor axis = 0.4808 mas
Variability ellipse semiminor axis = 0.2067 mas
Variability ellipse position angle = -2.7 deg
Equivalent α-δ correlation = -0.09

Observed in only 5 session(s)