Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1728+004 (2026b, independent mode)

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

Right ascension: 262.6458310696156°
Declination: 0.4107476474500°
No. sessions: 8
No. delays: 674
Defining: No
RMS(α cos δ) = 0.3960 mas
RMS(δ) = 0.3622 mas
Variability ellipse semimajor axis = 0.4888 mas
Variability ellipse semiminor axis = 0.2216 mas
Variability ellipse position angle = 48.8 deg
Equivalent α-δ correlation = 0.66

Observed in only 8 session(s)

Quarterly time series for 1728+004 (2026b, 4 global solutions)

Data

Right ascension: 262.6458311229947°
Declination: 0.4107476192666°
No. sessions: 8
No. delays: 674
Defining: No
RMS(α cos δ) = 0.1758 mas
RMS(δ) = 0.2316 mas
Variability ellipse semimajor axis = 0.2353 mas
Variability ellipse semiminor axis = 0.1709 mas
Variability ellipse position angle = 14.7 deg
Equivalent α-δ correlation = 0.16

Observed in only 8 session(s)