Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 0438+040 (2026a, independent mode)

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

Right ascension: 70.3702585158698°
Declination: 4.1443460094346°
No. sessions: 8
No. delays: 648
Defining: No
RMS(α cos δ) = 11.5120 mas
RMS(δ) = 19.1672 mas
Variability ellipse semimajor axis = 21.1042 mas
Variability ellipse semiminor axis = 7.3838 mas
Variability ellipse position angle = 26.5 deg
Equivalent α-δ correlation = 0.71

Observed in only 8 session(s)

Quarterly time series for 0438+040 (2026a, 4 global solutions)

Data

Right ascension: 70.3702577832354°
Declination: 4.1443448922166°
No. sessions: 8
No. delays: 648
Defining: No
RMS(α cos δ) = 0.1230 mas
RMS(δ) = 0.3086 mas
Variability ellipse semimajor axis = 0.3169 mas
Variability ellipse semiminor axis = 0.0994 mas
Variability ellipse position angle = -13.9 deg
Equivalent α-δ correlation = -0.56

Observed in only 8 session(s)