Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1540-828 (2026a, independent mode)

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

Right ascension: 237.7464244630188°
Declination: -82.9685680077633°
No. sessions: 15
No. delays: 242
Defining: No
RMS(α cos δ) = 7.5617 mas
RMS(δ) = 8.3756 mas
Variability ellipse semimajor axis = 10.3606 mas
Variability ellipse semiminor axis = 4.4706 mas
Variability ellipse position angle = 40.7 deg
Equivalent α-δ correlation = 0.68

Observed in only 15 session(s)

Quarterly time series for 1540-828 (2026a, 4 global solutions)

Data

Right ascension: 237.7464269491345°
Declination: -82.9685681445166°
No. sessions: 11
No. delays: 230
Defining: No
RMS(α cos δ) = 0.2980 mas
RMS(δ) = 0.2486 mas
Variability ellipse semimajor axis = 0.3780 mas
Variability ellipse semiminor axis = 0.0878 mas
Variability ellipse position angle = -50.7 deg
Equivalent α-δ correlation = -0.89

Observed in only 11 session(s)