Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1831+050 (2026a, independent mode)

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

Right ascension: 278.6137975594552°
Declination: 5.1011012878734°
No. sessions: 5
No. delays: 484
Defining: No
RMS(α cos δ) = 0.3644 mas
RMS(δ) = 0.3122 mas
Variability ellipse semimajor axis = 0.4519 mas
Variability ellipse semiminor axis = 0.1613 mas
Variability ellipse position angle = -50.7 deg
Equivalent α-δ correlation = -0.77

Observed in only 5 session(s)

Quarterly time series for 1831+050 (2026a, 4 global solutions)

Data

Right ascension: 278.6137975957957°
Declination: 5.1011013043161°
No. sessions: 6
No. delays: 506
Defining: No
RMS(α cos δ) = 0.1632 mas
RMS(δ) = 0.2810 mas
Variability ellipse semimajor axis = 0.3009 mas
Variability ellipse semiminor axis = 0.1227 mas
Variability ellipse position angle = -23.0 deg
Equivalent α-δ correlation = -0.59

Observed in only 6 session(s)