Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1839+548 (2026b, independent mode)

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

Right ascension: 280.2390695390987°
Declination: 54.8710862692507°
No. sessions: 10
No. delays: 478
Defining: No
RMS(α cos δ) = 1.2097 mas
RMS(δ) = 1.2815 mas
Variability ellipse semimajor axis = 1.5357 mas
Variability ellipse semiminor axis = 0.8644 mas
Variability ellipse position angle = -41.8 deg
Equivalent α-δ correlation = -0.52

Observed in only 10 session(s)

Quarterly time series for 1839+548 (2026b, 4 global solutions)

Data

Right ascension: 280.2390695610552°
Declination: 54.8710862609650°
No. sessions: 10
No. delays: 478
Defining: No
RMS(α cos δ) = 0.2407 mas
RMS(δ) = 0.3023 mas
Variability ellipse semimajor axis = 0.3188 mas
Variability ellipse semiminor axis = 0.2184 mas
Variability ellipse position angle = -25.8 deg
Equivalent α-δ correlation = -0.29

Observed in only 10 session(s)