Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 2018+231 (2026b, independent mode)

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

Right ascension: 305.2645349142920°
Declination: 23.3097439259720°
No. sessions: 1
No. delays: 108
Defining: No
RMS(α cos δ) = 0.0000 mas
RMS(δ) = 0.0000 mas
Variability ellipse semimajor axis = nan mas
Variability ellipse semiminor axis = nan mas
Variability ellipse position angle = n deg
Equivalent α-δ correlation = nan

Observed in only 1 session(s)

Quarterly time series for 2018+231 (2026b, 4 global solutions)

Data

Right ascension: 305.2645349646250°
Declination: 23.3097440954440°
No. sessions: 1
No. delays: 108
Defining: No
RMS(α cos δ) = 0.0000 mas
RMS(δ) = 0.0000 mas
Variability ellipse semimajor axis = nan mas
Variability ellipse semiminor axis = nan mas
Variability ellipse position angle = n deg
Equivalent α-δ correlation = nan

Observed in only 1 session(s)