Paris Observatory Geodetic VLBI Center

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

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

Right ascension: 70.3702589065264°
Declination: 4.1443466326509°
No. sessions: 6
No. delays: 492
Defining: No
RMS(α cos δ) = 14.2044 mas
RMS(δ) = 23.9734 mas
Variability ellipse semimajor axis = 26.4458 mas
Variability ellipse semiminor axis = 8.7811 mas
Variability ellipse position angle = 26.5 deg
Equivalent α-δ correlation = 0.73

Observed in only 6 session(s)

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

Data

Right ascension: 70.3702577970055°
Declination: 4.1443448905064°
No. sessions: 6
No. delays: 492
Defining: No
RMS(α cos δ) = 0.1239 mas
RMS(δ) = 0.3579 mas
Variability ellipse semimajor axis = 0.3716 mas
Variability ellipse semiminor axis = 0.0734 mas
Variability ellipse position angle = -15.9 deg
Equivalent α-δ correlation = -0.79

Observed in only 6 session(s)