Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1618-399 (2026a, independent mode)

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

Right ascension: 245.4987062433789°
Declination: -40.0595802094566°
No. sessions: 11
No. delays: 243
Defining: No
RMS(α cos δ) = 6.4018 mas
RMS(δ) = 3.2287 mas
Variability ellipse semimajor axis = 6.4220 mas
Variability ellipse semiminor axis = 3.1883 mas
Variability ellipse position angle = -84.7 deg
Equivalent α-δ correlation = -0.14

Observed in only 11 session(s)

Quarterly time series for 1618-399 (2026a, 4 global solutions)

Data

Right ascension: 245.4987055130387°
Declination: -40.0595801284272°
No. sessions: 11
No. delays: 243
Defining: No
RMS(α cos δ) = 0.5509 mas
RMS(δ) = 1.7352 mas
Variability ellipse semimajor axis = 1.7834 mas
Variability ellipse semiminor axis = 0.3658 mas
Variability ellipse position angle = 13.6 deg
Equivalent α-δ correlation = 0.73

Observed in only 11 session(s)