Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1438+501 (2026b, independent mode)

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

Right ascension: 219.9457342753417°
Declination: 49.9681822056594°
No. sessions: 5
No. delays: 459
Defining: No
RMS(α cos δ) = 0.2719 mas
RMS(δ) = 0.0884 mas
Variability ellipse semimajor axis = 0.2738 mas
Variability ellipse semiminor axis = 0.0822 mas
Variability ellipse position angle = 82.8 deg
Equivalent α-δ correlation = 0.35

Observed in only 5 session(s)

Quarterly time series for 1438+501 (2026b, 4 global solutions)

Data

Right ascension: 219.9457343282641°
Declination: 49.9681821831599°
No. sessions: 5
No. delays: 459
Defining: No
RMS(α cos δ) = 0.0450 mas
RMS(δ) = 0.1856 mas
Variability ellipse semimajor axis = 0.1878 mas
Variability ellipse semiminor axis = 0.0351 mas
Variability ellipse position angle = 8.7 deg
Equivalent α-δ correlation = 0.61

Observed in only 5 session(s)