Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1828+487 (2026b, independent mode)

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

Right ascension: 277.3824207129047°
Declination: 48.7461557965914°
No. sessions: 5
No. delays: 514
Defining: No
RMS(α cos δ) = 0.3116 mas
RMS(δ) = 0.2147 mas
Variability ellipse semimajor axis = 0.3635 mas
Variability ellipse semiminor axis = 0.1051 mas
Variability ellipse position angle = -57.4 deg
Equivalent α-δ correlation = -0.82

Observed in only 5 session(s)

Quarterly time series for 1828+487 (2026b, 4 global solutions)

Data

Right ascension: 277.3824206484192°
Declination: 48.7461558047940°
No. sessions: 5
No. delays: 514
Defining: No
RMS(α cos δ) = 0.0577 mas
RMS(δ) = 0.2068 mas
Variability ellipse semimajor axis = 0.2128 mas
Variability ellipse semiminor axis = 0.0292 mas
Variability ellipse position angle = -13.6 deg
Equivalent α-δ correlation = -0.85

Observed in only 5 session(s)