Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 2013+163 (2026a, independent mode)

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

Right ascension: 304.0577549347266°
Declination: 16.5428104530858°
No. sessions: 375
No. delays: 18894
Defining: No
RMS(α cos δ) = 337.3587 mas
RMS(δ) = 71.1770 mas
Variability ellipse semimajor axis = 342.3949 mas
Variability ellipse semiminor axis = 40.5314 mas
Variability ellipse position angle = 80.0 deg
Equivalent α-δ correlation = 0.82

Quarterly time series for 2013+163 (2026a, 4 global solutions)

Data

Right ascension: 304.0577501481838°
Declination: 16.5428091707320°
No. sessions: 339
No. delays: 18575
Defining: No
RMS(α cos δ) = 0.1816 mas
RMS(δ) = 0.1937 mas
Variability ellipse semimajor axis = 0.1944 mas
Variability ellipse semiminor axis = 0.1808 mas
Variability ellipse position angle = -13.2 deg
Equivalent α-δ correlation = -0.03