Paris Observatory Geodetic VLBI Center

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

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

Right ascension: 226.7699458717020°
Declination: -16.8750742886716°
No. sessions: 85
No. delays: 1697
Defining: No
RMS(α cos δ) = 7.9197 mas
RMS(δ) = 11.2903 mas
Variability ellipse semimajor axis = 12.9908 mas
Variability ellipse semiminor axis = 4.6294 mas
Variability ellipse position angle = -31.9 deg
Equivalent α-δ correlation = -0.74

Observed in only 85 session(s)

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

Data

Right ascension: 226.7699456984831°
Declination: -16.8750741626671°
No. sessions: 71
No. delays: 1639
Defining: No
RMS(α cos δ) = 0.2195 mas
RMS(δ) = 0.3781 mas
Variability ellipse semimajor axis = 0.3787 mas
Variability ellipse semiminor axis = 0.2184 mas
Variability ellipse position angle = -4.0 deg
Equivalent α-δ correlation = -0.08

Observed in only 71 session(s)