Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1805+054 (2026b, independent mode)

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

Right ascension: 271.9577008050939°
Declination: 5.4721185314972°
No. sessions: 7
No. delays: 234
Defining: No
RMS(α cos δ) = 4.0258 mas
RMS(δ) = 2.0323 mas
Variability ellipse semimajor axis = 4.5537 mas
Variability ellipse semiminor axis = 0.6312 mas
Variability ellipse position angle = -62.4 deg
Equivalent α-δ correlation = -1.06

Observed in only 7 session(s)

Quarterly time series for 1805+054 (2026b, 4 global solutions)

Data

Right ascension: 271.9577007147151°
Declination: 5.4721185256186°
No. sessions: 7
No. delays: 234
Defining: No
RMS(α cos δ) = 0.8341 mas
RMS(δ) = 1.6415 mas
Variability ellipse semimajor axis = 1.8392 mas
Variability ellipse semiminor axis = 0.0856 mas
Variability ellipse position angle = -26.8 deg
Equivalent α-δ correlation = -0.99

Observed in only 7 session(s)