Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1855+163 (2026b, independent mode)

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

Right ascension: 284.3566482106918°
Declination: 16.4155112256041°
No. sessions: 5
No. delays: 472
Defining: No
RMS(α cos δ) = 0.2286 mas
RMS(δ) = 0.5386 mas
Variability ellipse semimajor axis = 0.5776 mas
Variability ellipse semiminor axis = 0.0933 mas
Variability ellipse position angle = 21.4 deg
Equivalent α-δ correlation = 0.90

Observed in only 5 session(s)

Quarterly time series for 1855+163 (2026b, 4 global solutions)

Data

Right ascension: 284.3566481948500°
Declination: 16.4155112150256°
No. sessions: 5
No. delays: 472
Defining: No
RMS(α cos δ) = 0.0724 mas
RMS(δ) = 0.1804 mas
Variability ellipse semimajor axis = 0.1925 mas
Variability ellipse semiminor axis = 0.0271 mas
Variability ellipse position angle = 20.6 deg
Equivalent α-δ correlation = 0.92

Observed in only 5 session(s)