Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1503+691 (2026b, independent mode)

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

Right ascension: 226.0532321507168°
Declination: 68.9368955898131°
No. sessions: 5
No. delays: 284
Defining: No
RMS(α cos δ) = 0.7021 mas
RMS(δ) = 1.0992 mas
Variability ellipse semimajor axis = 1.0992 mas
Variability ellipse semiminor axis = 0.7021 mas
Variability ellipse position angle = -0.6 deg
Equivalent α-δ correlation = -0.01

Observed in only 5 session(s)

Quarterly time series for 1503+691 (2026b, 4 global solutions)

Data

Right ascension: 226.0532324998607°
Declination: 68.9368956180095°
No. sessions: 5
No. delays: 284
Defining: No
RMS(α cos δ) = 0.6030 mas
RMS(δ) = 0.9539 mas
Variability ellipse semimajor axis = 1.1365 mas
Variability ellipse semiminor axis = 0.1343 mas
Variability ellipse position angle = -32.6 deg
Equivalent α-δ correlation = -1.03

Observed in only 5 session(s)