Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 0839+187 (2026a, independent mode)

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

Right ascension: 130.5212257784554°
Declination: 18.5947195541826°
No. sessions: 41
No. delays: 2003
Defining: No
RMS(α cos δ) = 0.5705 mas
RMS(δ) = 1.4384 mas
Variability ellipse semimajor axis = 1.4389 mas
Variability ellipse semiminor axis = 0.5690 mas
Variability ellipse position angle = -1.7 deg
Equivalent α-δ correlation = -0.06

Quarterly time series for 0839+187 (2026a, 4 global solutions)

Data

Right ascension: 130.5212257163444°
Declination: 18.5947195402810°
No. sessions: 37
No. delays: 1959
Defining: No
RMS(α cos δ) = 0.3147 mas
RMS(δ) = 0.5756 mas
Variability ellipse semimajor axis = 0.5809 mas
Variability ellipse semiminor axis = 0.3049 mas
Variability ellipse position angle = 9.0 deg
Equivalent α-δ correlation = 0.21

Observed in only 37 session(s)