Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1805+616 (2026b, independent mode)

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

Right ascension: 271.5831080602132°
Declination: 61.6884250303210°
No. sessions: 7
No. delays: 600
Defining: No
RMS(α cos δ) = 0.3161 mas
RMS(δ) = 1.0580 mas
Variability ellipse semimajor axis = 1.0775 mas
Variability ellipse semiminor axis = 0.2415 mas
Variability ellipse position angle = -11.2 deg
Equivalent α-δ correlation = -0.63

Observed in only 7 session(s)

Quarterly time series for 1805+616 (2026b, 4 global solutions)

Data

Right ascension: 271.5831079364926°
Declination: 61.6884250264674°
No. sessions: 7
No. delays: 600
Defining: No
RMS(α cos δ) = 0.1220 mas
RMS(δ) = 0.2145 mas
Variability ellipse semimajor axis = 0.2177 mas
Variability ellipse semiminor axis = 0.1162 mas
Variability ellipse position angle = -11.6 deg
Equivalent α-δ correlation = -0.26

Observed in only 7 session(s)