Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1634+213 (2026b, independent mode)

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

Right ascension: 249.1590977936040°
Declination: 21.2154430054440°
No. sessions: 8
No. delays: 649
Defining: No
RMS(α cos δ) = 0.3835 mas
RMS(δ) = 0.7197 mas
Variability ellipse semimajor axis = 0.7197 mas
Variability ellipse semiminor axis = 0.3834 mas
Variability ellipse position angle = -0.4 deg
Equivalent α-δ correlation = -0.01

Observed in only 8 session(s)

Quarterly time series for 1634+213 (2026b, 4 global solutions)

Data

Right ascension: 249.1590977378902°
Declination: 21.2154429588745°
No. sessions: 7
No. delays: 646
Defining: No
RMS(α cos δ) = 0.1475 mas
RMS(δ) = 0.1145 mas
Variability ellipse semimajor axis = 0.1545 mas
Variability ellipse semiminor axis = 0.1048 mas
Variability ellipse position angle = 66.0 deg
Equivalent α-δ correlation = 0.28

Observed in only 7 session(s)