Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1521-300 (2026b, independent mode)

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

Right ascension: 231.1392260569543°
Declination: -30.2059297637898°
No. sessions: 6
No. delays: 289
Defining: No
RMS(α cos δ) = 0.7045 mas
RMS(δ) = 1.5671 mas
Variability ellipse semimajor axis = 1.5803 mas
Variability ellipse semiminor axis = 0.6744 mas
Variability ellipse position angle = 8.1 deg
Equivalent α-δ correlation = 0.26

Observed in only 6 session(s)

Quarterly time series for 1521-300 (2026b, 4 global solutions)

Data

Right ascension: 231.1392261195129°
Declination: -30.2059297419438°
No. sessions: 6
No. delays: 289
Defining: No
RMS(α cos δ) = 0.4620 mas
RMS(δ) = 1.0078 mas
Variability ellipse semimajor axis = 1.0398 mas
Variability ellipse semiminor axis = 0.3845 mas
Variability ellipse position angle = -15.3 deg
Equivalent α-δ correlation = -0.51

Observed in only 6 session(s)