Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1647-296 (2026b, independent mode)

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

Right ascension: 252.6647670924968°
Declination: -29.7297096064716°
No. sessions: 177
No. delays: 5453
Defining: Yes
RMS(α cos δ) = 1.9538 mas
RMS(δ) = 2.4953 mas
Variability ellipse semimajor axis = 2.7343 mas
Variability ellipse semiminor axis = 1.6024 mas
Variability ellipse position angle = 30.3 deg
Equivalent α-δ correlation = 0.44

Quarterly time series for 1647-296 (2026b, 4 global solutions)

Data

Right ascension: 252.6647671262097°
Declination: -29.7297095942582°
No. sessions: 159
No. delays: 5399
Defining: Yes
RMS(α cos δ) = 0.2540 mas
RMS(δ) = 0.3920 mas
Variability ellipse semimajor axis = 0.3965 mas
Variability ellipse semiminor axis = 0.2469 mas
Variability ellipse position angle = -11.0 deg
Equivalent α-δ correlation = -0.18