Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1539-164 (2026a, independent mode)

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

Right ascension: 235.5119937214804°
Declination: -16.5752015781447°
No. sessions: 6
No. delays: 392
Defining: No
RMS(α cos δ) = 0.6836 mas
RMS(δ) = 2.1291 mas
Variability ellipse semimajor axis = 2.1359 mas
Variability ellipse semiminor axis = 0.6622 mas
Variability ellipse position angle = 4.7 deg
Equivalent α-δ correlation = 0.24

Observed in only 6 session(s)

Quarterly time series for 1539-164 (2026a, 4 global solutions)

Data

Right ascension: 235.5119937915960°
Declination: -16.5752014474437°
No. sessions: 6
No. delays: 392
Defining: No
RMS(α cos δ) = 0.1873 mas
RMS(δ) = 0.2851 mas
Variability ellipse semimajor axis = 0.2852 mas
Variability ellipse semiminor axis = 0.1872 mas
Variability ellipse position angle = 1.6 deg
Equivalent α-δ correlation = 0.03

Observed in only 6 session(s)