Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1559-151 (2026b, independent mode)

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

Right ascension: 240.5331740273958°
Declination: -15.3155964127866°
No. sessions: 7
No. delays: 276
Defining: No
RMS(α cos δ) = 20.5399 mas
RMS(δ) = 47.9389 mas
Variability ellipse semimajor axis = 52.5034 mas
Variability ellipse semiminor axis = 6.0481 mas
Variability ellipse position angle = -23.9 deg
Equivalent α-δ correlation = -1.05

Observed in only 7 session(s)

Quarterly time series for 1559-151 (2026b, 4 global solutions)

Data

Right ascension: 240.5331723269209°
Declination: -15.3155931571473°
No. sessions: 7
No. delays: 276
Defining: No
RMS(α cos δ) = 0.8170 mas
RMS(δ) = 0.7444 mas
Variability ellipse semimajor axis = 1.0142 mas
Variability ellipse semiminor axis = 0.4393 mas
Variability ellipse position angle = 48.8 deg
Equivalent α-δ correlation = 0.68

Observed in only 7 session(s)