Paris Observatory Geodetic VLBI Center

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

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

Right ascension: 251.9072557757523°
Declination: -64.6334077867834°
No. sessions: 11
No. delays: 226
Defining: No
RMS(α cos δ) = 0.8988 mas
RMS(δ) = 2.0141 mas
Variability ellipse semimajor axis = 2.1051 mas
Variability ellipse semiminor axis = 0.6580 mas
Variability ellipse position angle = -17.8 deg
Equivalent α-δ correlation = -0.64

Observed in only 11 session(s)

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

Data

Right ascension: 251.9072560052213°
Declination: -64.6334079484845°
No. sessions: 11
No. delays: 226
Defining: No
RMS(α cos δ) = 0.3622 mas
RMS(δ) = 0.4447 mas
Variability ellipse semimajor axis = 0.5551 mas
Variability ellipse semiminor axis = 0.1444 mas
Variability ellipse position angle = 38.3 deg
Equivalent α-δ correlation = 0.87

Observed in only 11 session(s)