Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1740+478 (2026b, independent mode)

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

Right ascension: 265.3950913040158°
Declination: 47.8590378509419°
No. sessions: 5
No. delays: 502
Defining: No
RMS(α cos δ) = 0.2846 mas
RMS(δ) = 1.0545 mas
Variability ellipse semimajor axis = 1.0880 mas
Variability ellipse semiminor axis = 0.0960 mas
Variability ellipse position angle = 14.3 deg
Equivalent α-δ correlation = 0.94

Observed in only 5 session(s)

Quarterly time series for 1740+478 (2026b, 4 global solutions)

Data

Right ascension: 265.3950914212430°
Declination: 47.8590379293766°
No. sessions: 5
No. delays: 502
Defining: No
RMS(α cos δ) = 0.0582 mas
RMS(δ) = 0.1119 mas
Variability ellipse semimajor axis = 0.1207 mas
Variability ellipse semiminor axis = 0.0366 mas
Variability ellipse position angle = -23.1 deg
Equivalent α-δ correlation = -0.74

Observed in only 5 session(s)