Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1239+552 (2026b, independent mode)

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

Right ascension: 190.3654324239292°
Declination: 54.9719589062226°
No. sessions: 5
No. delays: 337
Defining: No
RMS(α cos δ) = 0.2732 mas
RMS(δ) = 0.7125 mas
Variability ellipse semimajor axis = 0.7362 mas
Variability ellipse semiminor axis = 0.2006 mas
Variability ellipse position angle = 15.1 deg
Equivalent α-δ correlation = 0.65

Observed in only 5 session(s)

Quarterly time series for 1239+552 (2026b, 4 global solutions)

Data

Right ascension: 190.3654323195087°
Declination: 54.9719588846128°
No. sessions: 5
No. delays: 337
Defining: No
RMS(α cos δ) = 0.4368 mas
RMS(δ) = 0.8199 mas
Variability ellipse semimajor axis = 0.8971 mas
Variability ellipse semiminor axis = 0.2413 mas
Variability ellipse position angle = 24.9 deg
Equivalent α-δ correlation = 0.80

Observed in only 5 session(s)