Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1800-278 (2026b, independent mode)

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

Right ascension: 270.8208005745411°
Declination: -27.8038817980115°
No. sessions: 6
No. delays: 262
Defining: No
RMS(α cos δ) = 1.9466 mas
RMS(δ) = 6.3784 mas
Variability ellipse semimajor axis = 6.6088 mas
Variability ellipse semiminor axis = 0.8927 mas
Variability ellipse position angle = -15.3 deg
Equivalent α-δ correlation = -0.88

Observed in only 6 session(s)

Quarterly time series for 1800-278 (2026b, 4 global solutions)

Data

Right ascension: 270.8208008817089°
Declination: -27.8038823649911°
No. sessions: 6
No. delays: 262
Defining: No
RMS(α cos δ) = 0.4336 mas
RMS(δ) = 1.1857 mas
Variability ellipse semimajor axis = 1.2130 mas
Variability ellipse semiminor axis = 0.3502 mas
Variability ellipse position angle = -12.7 deg
Equivalent α-δ correlation = -0.56

Observed in only 6 session(s)