Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1221-055 (2026b, independent mode)

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

Right ascension: 185.9419023808243°
Declination: -5.7827869878380°
No. sessions: 7
No. delays: 506
Defining: No
RMS(α cos δ) = 7.7836 mas
RMS(δ) = 7.8223 mas
Variability ellipse semimajor axis = 10.9618 mas
Variability ellipse semiminor axis = 1.2696 mas
Variability ellipse position angle = -44.8 deg
Equivalent α-δ correlation = -0.97

Observed in only 7 session(s)

Quarterly time series for 1221-055 (2026b, 4 global solutions)

Data

Right ascension: 185.9419019940081°
Declination: -5.7827873460557°
No. sessions: 7
No. delays: 506
Defining: No
RMS(α cos δ) = 0.1418 mas
RMS(δ) = 0.2668 mas
Variability ellipse semimajor axis = 0.2879 mas
Variability ellipse semiminor axis = 0.0916 mas
Variability ellipse position angle = -23.3 deg
Equivalent α-δ correlation = -0.72

Observed in only 7 session(s)