Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1802-381 (2026b, independent mode)

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

Right ascension: 271.4235344617229°
Declination: -38.0957014971768°
No. sessions: 12
No. delays: 218
Defining: No
RMS(α cos δ) = 2.0631 mas
RMS(δ) = 2.5870 mas
Variability ellipse semimajor axis = 2.9436 mas
Variability ellipse semiminor axis = 1.5113 mas
Variability ellipse position angle = -33.7 deg
Equivalent α-δ correlation = -0.55

Observed in only 12 session(s)

Quarterly time series for 1802-381 (2026b, 4 global solutions)

Data

Right ascension: 271.4235342968192°
Declination: -38.0957017372786°
No. sessions: 11
No. delays: 215
Defining: No
RMS(α cos δ) = 0.8257 mas
RMS(δ) = 1.9238 mas
Variability ellipse semimajor axis = 2.0811 mas
Variability ellipse semiminor axis = 0.2275 mas
Variability ellipse position angle = -22.5 deg
Equivalent α-δ correlation = -0.95

Observed in only 11 session(s)