Paris Observatory Geodetic VLBI Center

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

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

Right ascension: 158.3917619009028°
Declination: 7.1905979637859°
No. sessions: 140
No. delays: 2765
Defining: No
RMS(α cos δ) = 233.4139 mas
RMS(δ) = 88.1646 mas
Variability ellipse semimajor axis = 249.9825 mas
Variability ellipse semiminor axis = 15.3683 mas
Variability ellipse position angle = -69.0 deg
Equivalent α-δ correlation = -1.02

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

Data

Right ascension: 158.3917678742486°
Declination: 7.1905965551243°
No. sessions: 112
No. delays: 2681
Defining: No
RMS(α cos δ) = 0.3163 mas
RMS(δ) = 0.3379 mas
Variability ellipse semimajor axis = 0.3395 mas
Variability ellipse semiminor axis = 0.3145 mas
Variability ellipse position angle = -15.1 deg
Equivalent α-δ correlation = -0.04