Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1641-179 (2026b, independent mode)

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

Right ascension: 251.1489448140541°
Declination: -18.0756827952844°
No. sessions: 6
No. delays: 256
Defining: No
RMS(α cos δ) = 0.4262 mas
RMS(δ) = 0.7572 mas
Variability ellipse semimajor axis = 0.7998 mas
Variability ellipse semiminor axis = 0.3396 mas
Variability ellipse position angle = 20.8 deg
Equivalent α-δ correlation = 0.54

Observed in only 6 session(s)

Quarterly time series for 1641-179 (2026b, 4 global solutions)

Data

Right ascension: 251.1489447636688°
Declination: -18.0756826594844°
No. sessions: 6
No. delays: 256
Defining: No
RMS(α cos δ) = 0.1238 mas
RMS(δ) = 0.2422 mas
Variability ellipse semimajor axis = 0.2564 mas
Variability ellipse semiminor axis = 0.0907 mas
Variability ellipse position angle = -20.5 deg
Equivalent α-δ correlation = -0.63

Observed in only 6 session(s)