Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1744+557 (2026b, independent mode)

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

Right ascension: 266.2358628066550°
Declination: 55.7047669608680°
No. sessions: 29
No. delays: 1313
Defining: No
RMS(α cos δ) = 0.3244 mas
RMS(δ) = 0.2924 mas
Variability ellipse semimajor axis = 0.3582 mas
Variability ellipse semiminor axis = 0.2498 mas
Variability ellipse position angle = -53.7 deg
Equivalent α-δ correlation = -0.33

Observed in only 29 session(s)

Quarterly time series for 1744+557 (2026b, 4 global solutions)

Data

Right ascension: 266.2358628173255°
Declination: 55.7047669561648°
No. sessions: 28
No. delays: 1177
Defining: No
RMS(α cos δ) = 0.2351 mas
RMS(δ) = 0.1839 mas
Variability ellipse semimajor axis = 0.2404 mas
Variability ellipse semiminor axis = 0.1769 mas
Variability ellipse position angle = 72.0 deg
Equivalent α-δ correlation = 0.18

Observed in only 28 session(s)