Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1508+561 (2026b, independent mode)

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

Right ascension: 227.4497921222917°
Declination: 55.9381360363828°
No. sessions: 3
No. delays: 90
Defining: No
RMS(α cos δ) = 0.5803 mas
RMS(δ) = 0.5845 mas
Variability ellipse semimajor axis = 0.7237 mas
Variability ellipse semiminor axis = 0.3932 mas
Variability ellipse position angle = 44.6 deg
Equivalent α-δ correlation = 0.54

Observed in only 3 session(s)

Quarterly time series for 1508+561 (2026b, 4 global solutions)

Data

Right ascension: 227.4497922460904°
Declination: 55.9381361004138°
No. sessions: 3
No. delays: 90
Defining: No
RMS(α cos δ) = 0.1769 mas
RMS(δ) = 0.3611 mas
Variability ellipse semimajor axis = 0.4002 mas
Variability ellipse semiminor axis = 0.0393 mas
Variability ellipse position angle = 25.6 deg
Equivalent α-δ correlation = 0.97

Observed in only 3 session(s)