Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1730-130 (2026b, independent mode)

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

Right ascension: 263.2612741371876°
Declination: -13.0804300639598°
No. sessions: 979
No. delays: 37568
Defining: Yes
RMS(α cos δ) = 28.9380 mas
RMS(δ) = 16.4406 mas
Variability ellipse semimajor axis = 28.9446 mas
Variability ellipse semiminor axis = 16.4290 mas
Variability ellipse position angle = -88.5 deg
Equivalent α-δ correlation = -0.03

Quarterly time series for 1730-130 (2026b, 4 global solutions)

Data

Right ascension: 263.2612741313843°
Declination: -13.0804300568473°
No. sessions: 926
No. delays: 37437
Defining: Yes
RMS(α cos δ) = 0.3237 mas
RMS(δ) = 0.4464 mas
Variability ellipse semimajor axis = 0.4483 mas
Variability ellipse semiminor axis = 0.3211 mas
Variability ellipse position angle = -7.5 deg
Equivalent α-δ correlation = -0.09