Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1156-663 (2026b, independent mode)

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

Right ascension: 179.8262035031454°
Declination: -66.5942415138988°
No. sessions: 36
No. delays: 263
Defining: No
RMS(α cos δ) = 1939.2193 mas
RMS(δ) = 4439.9648 mas
Variability ellipse semimajor axis = 4744.0261 mas
Variability ellipse semiminor axis = 983.9082 mas
Variability ellipse position angle = -21.1 deg
Equivalent α-δ correlation = -0.84

Observed in only 36 session(s)

Quarterly time series for 1156-663 (2026b, 4 global solutions)

Data

Right ascension: 179.8262726543659°
Declination: -66.5942853289189°
No. sessions: 31
No. delays: 248
Defining: No
RMS(α cos δ) = 0.4427 mas
RMS(δ) = 0.3872 mas
Variability ellipse semimajor axis = 0.4609 mas
Variability ellipse semiminor axis = 0.3655 mas
Variability ellipse position angle = 62.8 deg
Equivalent α-δ correlation = 0.19

Observed in only 31 session(s)