Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1138+406 (2026b, independent mode)

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

Right ascension: 175.2399083250397°
Declination: 40.3717237061156°
No. sessions: 4
No. delays: 379
Defining: No
RMS(α cos δ) = 14.5892 mas
RMS(δ) = 1.1369 mas
Variability ellipse semimajor axis = 14.6132 mas
Variability ellipse semiminor axis = 0.7701 mas
Variability ellipse position angle = -86.7 deg
Equivalent α-δ correlation = -0.73

Observed in only 4 session(s)

Quarterly time series for 1138+406 (2026b, 4 global solutions)

Data

Right ascension: 175.2399110542671°
Declination: 40.3717233315271°
No. sessions: 4
No. delays: 379
Defining: No
RMS(α cos δ) = 0.1863 mas
RMS(δ) = 0.2455 mas
Variability ellipse semimajor axis = 0.2820 mas
Variability ellipse semiminor axis = 0.1243 mas
Variability ellipse position angle = -33.2 deg
Equivalent α-δ correlation = -0.64

Observed in only 4 session(s)