Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1435+638 (2026b, independent mode)

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

Right ascension: 219.1908422460202°
Declination: 63.6105184558146°
No. sessions: 35
No. delays: 1949
Defining: No
RMS(α cos δ) = 12.0770 mas
RMS(δ) = 14.7771 mas
Variability ellipse semimajor axis = 18.5298 mas
Variability ellipse semiminor axis = 4.5678 mas
Variability ellipse position angle = 38.5 deg
Equivalent α-δ correlation = 0.88

Observed in only 35 session(s)

Quarterly time series for 1435+638 (2026b, 4 global solutions)

Data

Right ascension: 219.1908422873171°
Declination: 63.6105184907140°
No. sessions: 34
No. delays: 1946
Defining: No
RMS(α cos δ) = 0.4329 mas
RMS(δ) = 1.0292 mas
Variability ellipse semimajor axis = 1.0878 mas
Variability ellipse semiminor axis = 0.2514 mas
Variability ellipse position angle = -19.4 deg
Equivalent α-δ correlation = -0.79

Observed in only 34 session(s)