Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1222+216 (2026b, independent mode)

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

Right ascension: 186.2269100937216°
Declination: 21.3795522624169°
No. sessions: 10
No. delays: 953
Defining: No
RMS(α cos δ) = 1.0769 mas
RMS(δ) = 4.4824 mas
Variability ellipse semimajor axis = 4.6337 mas
Variability ellipse semiminor axis = 0.4677 mas
Variability ellipse position angle = 14.6 deg
Equivalent α-δ correlation = 1.10

Observed in only 10 session(s)

Quarterly time series for 1222+216 (2026b, 4 global solutions)

Data

Right ascension: 186.2269100462979°
Declination: 21.3795523993066°
No. sessions: 11
No. delays: 1077
Defining: No
RMS(α cos δ) = 0.1272 mas
RMS(δ) = 0.1718 mas
Variability ellipse semimajor axis = 0.1942 mas
Variability ellipse semiminor axis = 0.0893 mas
Variability ellipse position angle = 31.6 deg
Equivalent α-δ correlation = 0.61

Observed in only 11 session(s)