Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1222+438 (2026b, independent mode)

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

Right ascension: 186.2146053328425°
Declination: 43.5886909333319°
No. sessions: 5
No. delays: 429
Defining: No
RMS(α cos δ) = 0.2836 mas
RMS(δ) = 0.1119 mas
Variability ellipse semimajor axis = 0.2875 mas
Variability ellipse semiminor axis = 0.1017 mas
Variability ellipse position angle = -79.9 deg
Equivalent α-δ correlation = -0.39

Observed in only 5 session(s)

Quarterly time series for 1222+438 (2026b, 4 global solutions)

Data

Right ascension: 186.2146054218507°
Declination: 43.5886909426955°
No. sessions: 5
No. delays: 429
Defining: No
RMS(α cos δ) = 0.0910 mas
RMS(δ) = 0.0901 mas
Variability ellipse semimajor axis = 0.1173 mas
Variability ellipse semiminor axis = 0.0515 mas
Variability ellipse position angle = -45.4 deg
Equivalent α-δ correlation = -0.68

Observed in only 5 session(s)