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: 194.4960867862500°
Declination: -31.9213476371390°
No. sessions: 1727
No. delays: 42228
Defining: No
RMS(α cos δ) = 41429.1907 mas
RMS(δ) = 23311.1948 mas
Variability ellipse semimajor axis = 47429.9218 mas
Variability ellipse semiminor axis = 3192.5177 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