Paris Observatory Geodetic VLBI Center

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

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

Right ascension: 190.3654324236915°
Declination: 54.9719589064182°
No. sessions: 5
No. delays: 337
Defining: No
RMS(α cos δ) = 0.2729 mas
RMS(δ) = 0.7118 mas
Variability ellipse semimajor axis = 0.7355 mas
Variability ellipse semiminor axis = 0.2005 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 (2026a, 4 global solutions)

Data

Right ascension: 190.3654323210290°
Declination: 54.9719588964280°
No. sessions: 5
No. delays: 337
Defining: No
RMS(α cos δ) = 0.4233 mas
RMS(δ) = 0.8134 mas
Variability ellipse semimajor axis = 0.8872 mas
Variability ellipse semiminor axis = 0.2316 mas
Variability ellipse position angle = 24.4 deg
Equivalent α-δ correlation = 0.80

Observed in only 5 session(s)