Paris Observatory Geodetic VLBI Center

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

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

Right ascension: 232.8899099447185°
Declination: 72.1114521744159°
No. sessions: 6
No. delays: 652
Defining: No
RMS(α cos δ) = 1.7179 mas
RMS(δ) = 0.9092 mas
Variability ellipse semimajor axis = 1.9276 mas
Variability ellipse semiminor axis = 0.2493 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 (2026a, 4 global solutions)

Data

Right ascension: 232.8899106315502°
Declination: 72.1114522708138°
No. sessions: 6
No. delays: 652
Defining: No
RMS(α cos δ) = 0.2851 mas
RMS(δ) = 0.1747 mas
Variability ellipse semimajor axis = 0.2880 mas
Variability ellipse semiminor axis = 0.1698 mas
Variability ellipse position angle = -79.8 deg
Equivalent α-δ correlation = -0.19

Observed in only 6 session(s)