Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1217-558 (2026b, independent mode)

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

Right ascension: 185.1098115518773°
Declination: -56.0784930340215°
No. sessions: 7
No. delays: 141
Defining: No
RMS(α cos δ) = 5.5401 mas
RMS(δ) = 10.0112 mas
Variability ellipse semimajor axis = 12.7032 mas
Variability ellipse semiminor axis = 5.5185 mas
Variability ellipse position angle = 34.3 deg
Equivalent α-δ correlation = 1.61

Observed in only 7 session(s)

Quarterly time series for 1217-558 (2026b, 4 global solutions)

Data

Right ascension: 185.1098116786991°
Declination: -56.0784927503179°
No. sessions: 5
No. delays: 119
Defining: No
RMS(α cos δ) = 0.2206 mas
RMS(δ) = 0.4317 mas
Variability ellipse semimajor axis = 0.4331 mas
Variability ellipse semiminor axis = 0.2178 mas
Variability ellipse position angle = 5.4 deg
Equivalent α-δ correlation = 0.14

Observed in only 5 session(s)