Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1917+552 (2026b, independent mode)

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

Right ascension: 289.5447918518802°
Declination: 55.3440582302859°
No. sessions: 6
No. delays: 672
Defining: No
RMS(α cos δ) = 0.3030 mas
RMS(δ) = 0.8054 mas
Variability ellipse semimajor axis = 0.8057 mas
Variability ellipse semiminor axis = 0.3020 mas
Variability ellipse position angle = 1.8 deg
Equivalent α-δ correlation = 0.07

Observed in only 6 session(s)

Quarterly time series for 1917+552 (2026b, 4 global solutions)

Data

Right ascension: 289.5447919699142°
Declination: 55.3440581571767°
No. sessions: 6
No. delays: 672
Defining: No
RMS(α cos δ) = 0.2293 mas
RMS(δ) = 0.4295 mas
Variability ellipse semimajor axis = 0.4480 mas
Variability ellipse semiminor axis = 0.1906 mas
Variability ellipse position angle = -18.3 deg
Equivalent α-δ correlation = -0.50

Observed in only 6 session(s)