Paris Observatory Geodetic VLBI Center

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

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

Right ascension: 237.7464252676126°
Declination: -82.9685679243076°
No. sessions: 14
No. delays: 239
Defining: No
RMS(α cos δ) = 7.5352 mas
RMS(δ) = 8.3467 mas
Variability ellipse semimajor axis = 10.3196 mas
Variability ellipse semiminor axis = 4.4668 mas
Variability ellipse position angle = 40.7 deg
Equivalent α-δ correlation = 0.68

Observed in only 14 session(s)

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

Data

Right ascension: 237.7464270214721°
Declination: -82.9685681362692°
No. sessions: 11
No. delays: 230
Defining: No
RMS(α cos δ) = 0.2635 mas
RMS(δ) = 0.2204 mas
Variability ellipse semimajor axis = 0.3394 mas
Variability ellipse semiminor axis = 0.0531 mas
Variability ellipse position angle = -50.3 deg
Equivalent α-δ correlation = -0.95

Observed in only 11 session(s)