Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1221-829 (2026b, independent mode)

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

Right ascension: 186.2265925313218°
Declination: -83.2194728107415°
No. sessions: 27
No. delays: 458
Defining: No
RMS(α cos δ) = 2.1483 mas
RMS(δ) = 1.7006 mas
Variability ellipse semimajor axis = 2.1977 mas
Variability ellipse semiminor axis = 1.6361 mas
Variability ellipse position angle = -71.5 deg
Equivalent α-δ correlation = -0.18

Observed in only 27 session(s)

Quarterly time series for 1221-829 (2026b, 4 global solutions)

Data

Right ascension: 186.2265941762621°
Declination: -83.2194727594231°
No. sessions: 24
No. delays: 449
Defining: No
RMS(α cos δ) = 0.2045 mas
RMS(δ) = 0.2420 mas
Variability ellipse semimajor axis = 0.2424 mas
Variability ellipse semiminor axis = 0.2040 mas
Variability ellipse position angle = 6.3 deg
Equivalent α-δ correlation = 0.04

Observed in only 24 session(s)