Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1839+389 (2026b, independent mode)

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

Right ascension: 280.2381423827146°
Declination: 39.0127009719542°
No. sessions: 8
No. delays: 469
Defining: No
RMS(α cos δ) = 1.0667 mas
RMS(δ) = 0.9546 mas
Variability ellipse semimajor axis = 1.3258 mas
Variability ellipse semiminor axis = 0.5399 mas
Variability ellipse position angle = 49.4 deg
Equivalent α-δ correlation = 0.71

Observed in only 8 session(s)

Quarterly time series for 1839+389 (2026b, 4 global solutions)

Data

Right ascension: 280.2381426447745°
Declination: 39.0127011343863°
No. sessions: 8
No. delays: 469
Defining: No
RMS(α cos δ) = 0.1567 mas
RMS(δ) = 0.0988 mas
Variability ellipse semimajor axis = 0.1640 mas
Variability ellipse semiminor axis = 0.0860 mas
Variability ellipse position angle = 69.6 deg
Equivalent α-δ correlation = 0.41

Observed in only 8 session(s)