Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1030+074 (2026a, independent mode)

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

Right ascension: 158.3917618211737°
Declination: 7.1905979845215°
No. sessions: 138
No. delays: 2632
Defining: No
RMS(α cos δ) = 234.9423 mas
RMS(δ) = 88.8087 mas
Variability ellipse semimajor axis = 251.7217 mas
Variability ellipse semiminor axis = 16.7015 mas
Variability ellipse position angle = -69.0 deg
Equivalent α-δ correlation = -1.02

Quarterly time series for 1030+074 (2026a, 4 global solutions)

Data

Right ascension: 158.3917678769594°
Declination: 7.1905965503435°
No. sessions: 112
No. delays: 2681
Defining: No
RMS(α cos δ) = 0.3186 mas
RMS(δ) = 0.3455 mas
Variability ellipse semimajor axis = 0.3461 mas
Variability ellipse semiminor axis = 0.3179 mas
Variability ellipse position angle = -8.9 deg
Equivalent α-δ correlation = -0.03