Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1831-030 (2026b, independent mode)

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

Right ascension: 278.5586437698952°
Declination: -3.0221179484738°
No. sessions: 6
No. delays: 269
Defining: No
RMS(α cos δ) = 3.9002 mas
RMS(δ) = 2.9393 mas
Variability ellipse semimajor axis = 4.9237 mas
Variability ellipse semiminor axis = 0.6263 mas
Variability ellipse position angle = -52.7 deg
Equivalent α-δ correlation = -1.04

Observed in only 6 session(s)

Quarterly time series for 1831-030 (2026b, 4 global solutions)

Data

Right ascension: 278.5586443925309°
Declination: -3.0221186591480°
No. sessions: 6
No. delays: 269
Defining: No
RMS(α cos δ) = 0.2155 mas
RMS(δ) = 1.1445 mas
Variability ellipse semimajor axis = 1.1561 mas
Variability ellipse semiminor axis = 0.1405 mas
Variability ellipse position angle = 8.1 deg
Equivalent α-δ correlation = 0.75

Observed in only 6 session(s)