Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 0454+844 (2026a, independent mode)

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

Right ascension: 77.1765075771190°
Declination: 84.5345901725809°
No. sessions: 578
No. delays: 23514
Defining: Yes
RMS(α cos δ) = 43.1874 mas
RMS(δ) = 356.9308 mas
Variability ellipse semimajor axis = 357.0496 mas
Variability ellipse semiminor axis = 42.1938 mas
Variability ellipse position angle = 1.4 deg
Equivalent α-δ correlation = 0.21

Quarterly time series for 0454+844 (2026a, 4 global solutions)

Data

Right ascension: 77.1765144081630°
Declination: 84.5345956015981°
No. sessions: 522
No. delays: 23427
Defining: Yes
RMS(α cos δ) = 0.2029 mas
RMS(δ) = 0.2277 mas
Variability ellipse semimajor axis = 0.2298 mas
Variability ellipse semiminor axis = 0.2005 mas
Variability ellipse position angle = 16.0 deg
Equivalent α-δ correlation = 0.07