Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1642-645 (2026b, independent mode)

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

Right ascension: 251.9072557749807°
Declination: -64.6334078021053°
No. sessions: 11
No. delays: 226
Defining: No
RMS(α cos δ) = 0.9276 mas
RMS(δ) = 2.0088 mas
Variability ellipse semimajor axis = 2.1164 mas
Variability ellipse semiminor axis = 0.6455 mas
Variability ellipse position angle = -19.2 deg
Equivalent α-δ correlation = -0.68

Observed in only 11 session(s)

Quarterly time series for 1642-645 (2026b, 4 global solutions)

Data

Right ascension: 251.9072559785901°
Declination: -64.6334079953341°
No. sessions: 11
No. delays: 226
Defining: No
RMS(α cos δ) = 0.2444 mas
RMS(δ) = 0.3784 mas
Variability ellipse semimajor axis = 0.4325 mas
Variability ellipse semiminor axis = 0.1259 mas
Variability ellipse position angle = 30.4 deg
Equivalent α-δ correlation = 0.81

Observed in only 11 session(s)