Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1555-140 (2026b, independent mode)

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

Right ascension: 239.5914491495094°
Declination: -14.1664037060033°
No. sessions: 11
No. delays: 436
Defining: No
RMS(α cos δ) = 4.6964 mas
RMS(δ) = 4.8253 mas
Variability ellipse semimajor axis = 6.7733 mas
Variability ellipse semiminor axis = 0.7333 mas
Variability ellipse position angle = -44.2 deg
Equivalent α-δ correlation = -1.02

Observed in only 11 session(s)

Quarterly time series for 1555-140 (2026b, 4 global solutions)

Data

Right ascension: 239.5914493243410°
Declination: -14.1664038153746°
No. sessions: 12
No. delays: 477
Defining: No
RMS(α cos δ) = 1.2737 mas
RMS(δ) = 0.9935 mas
Variability ellipse semimajor axis = 1.4531 mas
Variability ellipse semiminor axis = 0.7057 mas
Variability ellipse position angle = 56.5 deg
Equivalent α-δ correlation = 0.59

Observed in only 12 session(s)