Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1222+131 (2026b, independent mode)

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

Right ascension: 186.2655973457558°
Declination: 12.8869828753106°
No. sessions: 58
No. delays: 3114
Defining: Yes
RMS(α cos δ) = 9.4955 mas
RMS(δ) = 8.5986 mas
Variability ellipse semimajor axis = 13.2041 mas
Variability ellipse semiminor axis = 3.2013 mas
Variability ellipse position angle = -47.5 deg
Equivalent α-δ correlation = -1.13

Observed in only 58 session(s)

Quarterly time series for 1222+131 (2026b, 4 global solutions)

Data

Right ascension: 186.2655972572324°
Declination: 12.8869830524123°
No. sessions: 57
No. delays: 3111
Defining: Yes
RMS(α cos δ) = 0.1708 mas
RMS(δ) = 0.3799 mas
Variability ellipse semimajor axis = 0.3847 mas
Variability ellipse semiminor axis = 0.1598 mas
Variability ellipse position angle = -9.9 deg
Equivalent α-δ correlation = -0.32

Observed in only 57 session(s)