Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 0428+172 (2026a, independent mode)

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

Right ascension: 67.7493550104295°
Declination: 17.3876902134937°
No. sessions: 5
No. delays: 336
Defining: No
RMS(α cos δ) = 0.4225 mas
RMS(δ) = 0.2396 mas
Variability ellipse semimajor axis = 0.4589 mas
Variability ellipse semiminor axis = 0.1591 mas
Variability ellipse position angle = -65.4 deg
Equivalent α-δ correlation = -0.69

Observed in only 5 session(s)

Quarterly time series for 0428+172 (2026a, 4 global solutions)

Data

Right ascension: 67.7493549466150°
Declination: 17.3876903357704°
No. sessions: 5
No. delays: 336
Defining: No
RMS(α cos δ) = 0.1854 mas
RMS(δ) = 0.2112 mas
Variability ellipse semimajor axis = 0.2318 mas
Variability ellipse semiminor axis = 0.1588 mas
Variability ellipse position angle = -34.5 deg
Equivalent α-δ correlation = -0.34

Observed in only 5 session(s)