Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1531+722 (2026b, independent mode)

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

Right ascension: 232.8899099439593°
Declination: 72.1114521741238°
No. sessions: 6
No. delays: 652
Defining: No
RMS(α cos δ) = 1.7172 mas
RMS(δ) = 0.9086 mas
Variability ellipse semimajor axis = 1.9268 mas
Variability ellipse semiminor axis = 0.2489 mas
Variability ellipse position angle = 62.7 deg
Equivalent α-δ correlation = 0.95

Observed in only 6 session(s)

Quarterly time series for 1531+722 (2026b, 4 global solutions)

Data

Right ascension: 232.8899106370550°
Declination: 72.1114522631460°
No. sessions: 6
No. delays: 652
Defining: No
RMS(α cos δ) = 0.2491 mas
RMS(δ) = 0.1562 mas
Variability ellipse semimajor axis = 0.2529 mas
Variability ellipse semiminor axis = 0.1500 mas
Variability ellipse position angle = -77.6 deg
Equivalent α-δ correlation = -0.22

Observed in only 6 session(s)