Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1540+539 (2026b, independent mode)

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

Right ascension: 235.3561053790788°
Declination: 53.8036207355666°
No. sessions: 6
No. delays: 543
Defining: No
RMS(α cos δ) = 11.3226 mas
RMS(δ) = 12.5560 mas
Variability ellipse semimajor axis = 15.7497 mas
Variability ellipse semiminor axis = 6.1482 mas
Variability ellipse position angle = -40.9 deg
Equivalent α-δ correlation = -0.73

Observed in only 6 session(s)

Quarterly time series for 1540+539 (2026b, 4 global solutions)

Data

Right ascension: 235.3561027720124°
Declination: 53.8036213267056°
No. sessions: 6
No. delays: 543
Defining: No
RMS(α cos δ) = 0.0736 mas
RMS(δ) = 0.1625 mas
Variability ellipse semimajor axis = 0.1629 mas
Variability ellipse semiminor axis = 0.0728 mas
Variability ellipse position angle = -4.3 deg
Equivalent α-δ correlation = -0.14

Observed in only 6 session(s)