Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1831-693 (2026a, independent mode)

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

Right ascension: 279.2731824860830°
Declination: -69.2925930044440°
No. sessions: 1
No. delays: 9
Defining: No
RMS(α cos δ) = 2.5388 mas
RMS(δ) = 4.2203 mas
Variability ellipse semimajor axis = 4.6742 mas
Variability ellipse semiminor axis = 1.5518 mas
Variability ellipse position angle = 27.1 deg
Equivalent α-δ correlation = 0.74

Observed in only 1 session(s)

Quarterly time series for 1831-693 (2026a, 4 global solutions)

Data

Right ascension: 279.2731832379580°
Declination: -69.2925915617220°
No. sessions: 1
No. delays: 9
Defining: No
RMS(α cos δ) = 1.6176 mas
RMS(δ) = 0.9039 mas
Variability ellipse semimajor axis = 1.6574 mas
Variability ellipse semiminor axis = 0.8287 mas
Variability ellipse position angle = 75.4 deg
Equivalent α-δ correlation = 0.34

Observed in only 1 session(s)