Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1138-277 (2026b, independent mode)

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

Right ascension: 175.2140391141040°
Declination: -28.0107577739515°
No. sessions: 5
No. delays: 253
Defining: No
RMS(α cos δ) = 3.0417 mas
RMS(δ) = 1.4884 mas
Variability ellipse semimajor axis = 3.2202 mas
Variability ellipse semiminor axis = 1.0477 mas
Variability ellipse position angle = 69.6 deg
Equivalent α-δ correlation = 0.67

Observed in only 5 session(s)

Quarterly time series for 1138-277 (2026b, 4 global solutions)

Data

Right ascension: 175.2140386915615°
Declination: -28.0107580832992°
No. sessions: 5
No. delays: 253
Defining: No
RMS(α cos δ) = 0.1566 mas
RMS(δ) = 0.8951 mas
Variability ellipse semimajor axis = 0.8976 mas
Variability ellipse semiminor axis = 0.1416 mas
Variability ellipse position angle = 4.3 deg
Equivalent α-δ correlation = 0.42

Observed in only 5 session(s)