Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 2216+178 (2026b, independent mode)

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

Right ascension: 334.8087186503955°
Declination: 18.1098835637085°
No. sessions: 22
No. delays: 1190
Defining: No
RMS(α cos δ) = 0.6397 mas
RMS(δ) = 1.6554 mas
Variability ellipse semimajor axis = 1.7327 mas
Variability ellipse semiminor axis = 0.3839 mas
Variability ellipse position angle = -17.6 deg
Equivalent α-δ correlation = -0.78

Observed in only 22 session(s)

Quarterly time series for 2216+178 (2026b, 4 global solutions)

Data

Right ascension: 334.8087186476482°
Declination: 18.1098835494178°
No. sessions: 18
No. delays: 1178
Defining: No
RMS(α cos δ) = 0.1838 mas
RMS(δ) = 0.2407 mas
Variability ellipse semimajor axis = 0.2410 mas
Variability ellipse semiminor axis = 0.1833 mas
Variability ellipse position angle = 4.7 deg
Equivalent α-δ correlation = 0.05

Observed in only 18 session(s)