Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1616-181 (2026b, independent mode)

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

Right ascension: 244.8195046467113°
Declination: -18.2893610326894°
No. sessions: 8
No. delays: 549
Defining: No
RMS(α cos δ) = 0.5277 mas
RMS(δ) = 1.5286 mas
Variability ellipse semimajor axis = 1.5468 mas
Variability ellipse semiminor axis = 0.4718 mas
Variability ellipse position angle = 9.2 deg
Equivalent α-δ correlation = 0.43

Observed in only 8 session(s)

Quarterly time series for 1616-181 (2026b, 4 global solutions)

Data

Right ascension: 244.8195045817640°
Declination: -18.2893610146574°
No. sessions: 8
No. delays: 549
Defining: No
RMS(α cos δ) = 0.1451 mas
RMS(δ) = 0.2353 mas
Variability ellipse semimajor axis = 0.2436 mas
Variability ellipse semiminor axis = 0.1307 mas
Variability ellipse position angle = -17.8 deg
Equivalent α-δ correlation = -0.36

Observed in only 8 session(s)