Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1820-274 (2026b, independent mode)

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

Right ascension: 275.8318802374276°
Declination: -27.4406687559607°
No. sessions: 14
No. delays: 125
Defining: No
RMS(α cos δ) = 21.7754 mas
RMS(δ) = 12.8787 mas
Variability ellipse semimajor axis = 22.8291 mas
Variability ellipse semiminor axis = 10.9022 mas
Variability ellipse position angle = -70.0 deg
Equivalent α-δ correlation = -0.46

Observed in only 14 session(s)

Quarterly time series for 1820-274 (2026b, 4 global solutions)

Data

Right ascension: 275.8318826338886°
Declination: -27.4406689853369°
No. sessions: 12
No. delays: 119
Defining: No
RMS(α cos δ) = 3.0096 mas
RMS(δ) = 11.0209 mas
Variability ellipse semimajor axis = 11.1517 mas
Variability ellipse semiminor axis = 2.4817 mas
Variability ellipse position angle = -9.0 deg
Equivalent α-δ correlation = -0.55

Observed in only 12 session(s)