Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 0557-454 (2026b, independent mode)

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

Right ascension: 89.7981015044395°
Declination: -45.4945296886568°
No. sessions: 12
No. delays: 379
Defining: No
RMS(α cos δ) = 0.7281 mas
RMS(δ) = 1.6755 mas
Variability ellipse semimajor axis = 1.6958 mas
Variability ellipse semiminor axis = 0.6796 mas
Variability ellipse position angle = -9.6 deg
Equivalent α-δ correlation = -0.33

Observed in only 12 session(s)

Quarterly time series for 0557-454 (2026b, 4 global solutions)

Data

Right ascension: 89.7981016590806°
Declination: -45.4945298385363°
No. sessions: 11
No. delays: 376
Defining: No
RMS(α cos δ) = 0.2034 mas
RMS(δ) = 0.3831 mas
Variability ellipse semimajor axis = 0.3907 mas
Variability ellipse semiminor axis = 0.1884 mas
Variability ellipse position angle = 12.9 deg
Equivalent α-δ correlation = 0.33

Observed in only 11 session(s)