Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1255-316 (2026b, independent mode)

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

Right ascension: 194.4957516856473°
Declination: -31.9215426481553°
No. sessions: 1717
No. delays: 41859
Defining: No
RMS(α cos δ) = 41494.8657 mas
RMS(δ) = 23366.9281 mas
Variability ellipse semimajor axis = 47519.9616 mas
Variability ellipse semiminor axis = 3112.9487 mas
Variability ellipse position angle = 60.7 deg
Equivalent α-δ correlation = 0.99

Quarterly time series for 1255-316 (2026b, 4 global solutions)

Data

Right ascension: 194.4960868336043°
Declination: -31.9213476377685°
No. sessions: 1552
No. delays: 41150
Defining: No
RMS(α cos δ) = 0.3416 mas
RMS(δ) = 0.4608 mas
Variability ellipse semimajor axis = 0.4775 mas
Variability ellipse semiminor axis = 0.3178 mas
Variability ellipse position angle = 20.5 deg
Equivalent α-δ correlation = 0.27