Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1646-506 (2026b, independent mode)

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

Right ascension: 252.5692792519718°
Declination: -50.7467247878516°
No. sessions: 17
No. delays: 192
Defining: No
RMS(α cos δ) = 4.5661 mas
RMS(δ) = 4.0738 mas
Variability ellipse semimajor axis = 5.7246 mas
Variability ellipse semiminor axis = 2.1620 mas
Variability ellipse position angle = 49.3 deg
Equivalent α-δ correlation = 0.75

Observed in only 17 session(s)

Quarterly time series for 1646-506 (2026b, 4 global solutions)

Data

Right ascension: 252.5692794678478°
Declination: -50.7467251591266°
No. sessions: 15
No. delays: 186
Defining: No
RMS(α cos δ) = 0.5130 mas
RMS(δ) = 0.4869 mas
Variability ellipse semimajor axis = 0.5614 mas
Variability ellipse semiminor axis = 0.4301 mas
Variability ellipse position angle = -50.7 deg
Equivalent α-δ correlation = -0.26

Observed in only 15 session(s)