Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1828+399 (2026b, independent mode)

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

Right ascension: 277.4855007538047°
Declination: 39.9596398343104°
No. sessions: 5
No. delays: 531
Defining: No
RMS(α cos δ) = 0.2810 mas
RMS(δ) = 0.4633 mas
Variability ellipse semimajor axis = 0.4634 mas
Variability ellipse semiminor axis = 0.2809 mas
Variability ellipse position angle = 1.4 deg
Equivalent α-δ correlation = 0.03

Observed in only 5 session(s)

Quarterly time series for 1828+399 (2026b, 4 global solutions)

Data

Right ascension: 277.4855007622373°
Declination: 39.9596398820249°
No. sessions: 5
No. delays: 531
Defining: No
RMS(α cos δ) = 0.1781 mas
RMS(δ) = 0.1329 mas
Variability ellipse semimajor axis = 0.2119 mas
Variability ellipse semiminor axis = 0.0670 mas
Variability ellipse position angle = -55.1 deg
Equivalent α-δ correlation = -0.80

Observed in only 5 session(s)