Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1808+161 (2026b, independent mode)

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

Right ascension: 272.7090451988798°
Declination: 16.1391017254784°
No. sessions: 2
No. delays: 24
Defining: No
RMS(α cos δ) = 0.7420 mas
RMS(δ) = 1.4655 mas
Variability ellipse semimajor axis = 1.6424 mas
Variability ellipse semiminor axis = 0.0276 mas
Variability ellipse position angle = 26.8 deg
Equivalent α-δ correlation = 1.00

Observed in only 2 session(s)

Quarterly time series for 1808+161 (2026b, 4 global solutions)

Data

Right ascension: 272.7090450382356°
Declination: 16.1391018311315°
No. sessions: 2
No. delays: 24
Defining: No
RMS(α cos δ) = 0.2709 mas
RMS(δ) = 1.8349 mas
Variability ellipse semimajor axis = 1.8549 mas
Variability ellipse semiminor axis = 0.0133 mas
Variability ellipse position angle = 8.4 deg
Equivalent α-δ correlation = 1.00

Observed in only 2 session(s)