Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1644-032 (2026b, independent mode)

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

Right ascension: 251.8468754902449°
Declination: -3.2890576145267°
No. sessions: 4
No. delays: 153
Defining: No
RMS(α cos δ) = 1.3696 mas
RMS(δ) = 1.9698 mas
Variability ellipse semimajor axis = 2.1507 mas
Variability ellipse semiminor axis = 1.0633 mas
Variability ellipse position angle = -27.5 deg
Equivalent α-δ correlation = -0.53

Observed in only 4 session(s)

Quarterly time series for 1644-032 (2026b, 4 global solutions)

Data

Right ascension: 251.8468755090483°
Declination: -3.2890580261275°
No. sessions: 4
No. delays: 153
Defining: No
RMS(α cos δ) = 1.5860 mas
RMS(δ) = 1.6971 mas
Variability ellipse semimajor axis = 2.2827 mas
Variability ellipse semiminor axis = 0.4298 mas
Variability ellipse position angle = -42.9 deg
Equivalent α-δ correlation = -0.93

Observed in only 4 session(s)