Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1504-166 (2026a, independent mode)

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

Right ascension: 226.7699458523096°
Declination: -16.8750742798676°
No. sessions: 86
No. delays: 1842
Defining: No
RMS(α cos δ) = 7.7766 mas
RMS(δ) = 11.4509 mas
Variability ellipse semimajor axis = 13.0977 mas
Variability ellipse semiminor axis = 4.4777 mas
Variability ellipse position angle = -31.1 deg
Equivalent α-δ correlation = -0.75

Quarterly time series for 1504-166 (2026a, 4 global solutions)

Data

Right ascension: 226.7699456988692°
Declination: -16.8750741619706°
No. sessions: 73
No. delays: 1846
Defining: No
RMS(α cos δ) = 0.2309 mas
RMS(δ) = 0.4000 mas
Variability ellipse semimajor axis = 0.4000 mas
Variability ellipse semiminor axis = 0.2309 mas
Variability ellipse position angle = -0.0 deg
Equivalent α-δ correlation = -0.00