Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1356+478 (2026a, independent mode)

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

Right ascension: 209.6694435865691°
Declination: 47.6328644361870°
No. sessions: 4
No. delays: 426
Defining: No
RMS(α cos δ) = 0.2521 mas
RMS(δ) = 0.2178 mas
Variability ellipse semimajor axis = 0.3141 mas
Variability ellipse semiminor axis = 0.1110 mas
Variability ellipse position angle = -50.3 deg
Equivalent α-δ correlation = -0.77

Observed in only 4 session(s)

Quarterly time series for 1356+478 (2026a, 4 global solutions)

Data

Right ascension: 209.6694436477805°
Declination: 47.6328643153529°
No. sessions: 5
No. delays: 472
Defining: No
RMS(α cos δ) = 0.2123 mas
RMS(δ) = 0.3365 mas
Variability ellipse semimajor axis = 0.3664 mas
Variability ellipse semiminor axis = 0.1551 mas
Variability ellipse position angle = 25.8 deg
Equivalent α-δ correlation = 0.61

Observed in only 5 session(s)