Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1155+186 (2026b, independent mode)

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

Right ascension: 179.5845211943410°
Declination: 18.3636812149113°
No. sessions: 7
No. delays: 349
Defining: No
RMS(α cos δ) = 16.1258 mas
RMS(δ) = 12.1872 mas
Variability ellipse semimajor axis = 19.5894 mas
Variability ellipse semiminor axis = 4.9825 mas
Variability ellipse position angle = -54.0 deg
Equivalent α-δ correlation = -0.87

Observed in only 7 session(s)

Quarterly time series for 1155+186 (2026b, 4 global solutions)

Data

Right ascension: 179.5845197444199°
Declination: 18.3636820546096°
No. sessions: 7
No. delays: 349
Defining: No
RMS(α cos δ) = 0.2777 mas
RMS(δ) = 0.5412 mas
Variability ellipse semimajor axis = 0.5414 mas
Variability ellipse semiminor axis = 0.2774 mas
Variability ellipse position angle = -1.7 deg
Equivalent α-δ correlation = -0.04

Observed in only 7 session(s)