Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1805-183 (2026b, independent mode)

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

Right ascension: 272.2313143724133°
Declination: -18.3814982272829°
No. sessions: 2
No. delays: 61
Defining: No
RMS(α cos δ) = 0.4549 mas
RMS(δ) = 0.8094 mas
Variability ellipse semimajor axis = 0.9273 mas
Variability ellipse semiminor axis = 0.0480 mas
Variability ellipse position angle = 29.2 deg
Equivalent α-δ correlation = 0.99

Observed in only 2 session(s)

Quarterly time series for 1805-183 (2026b, 4 global solutions)

Data

Right ascension: 272.2313144373240°
Declination: -18.3814983107449°
No. sessions: 2
No. delays: 61
Defining: No
RMS(α cos δ) = 0.1833 mas
RMS(δ) = 0.3424 mas
Variability ellipse semimajor axis = 0.3890 mas
Variability ellipse semiminor axis = 0.0220 mas
Variability ellipse position angle = 28.2 deg
Equivalent α-δ correlation = 1.01

Observed in only 2 session(s)