Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1658-189 (2026b, independent mode)

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

Right ascension: 255.3620589067349°
Declination: -19.0587705642873°
No. sessions: 6
No. delays: 331
Defining: No
RMS(α cos δ) = 0.4037 mas
RMS(δ) = 1.4834 mas
Variability ellipse semimajor axis = 1.4842 mas
Variability ellipse semiminor axis = 0.4009 mas
Variability ellipse position angle = -1.9 deg
Equivalent α-δ correlation = -0.11

Observed in only 6 session(s)

Quarterly time series for 1658-189 (2026b, 4 global solutions)

Data

Right ascension: 255.3620589193356°
Declination: -19.0587704034152°
No. sessions: 6
No. delays: 331
Defining: No
RMS(α cos δ) = 0.1908 mas
RMS(δ) = 0.3098 mas
Variability ellipse semimajor axis = 0.3292 mas
Variability ellipse semiminor axis = 0.1551 mas
Variability ellipse position angle = -22.5 deg
Equivalent α-δ correlation = -0.50

Observed in only 6 session(s)