Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 2154-183 (2026b, independent mode)

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

Right ascension: 329.3713491216040°
Declination: -18.1174619132915°
No. sessions: 8
No. delays: 307
Defining: No
RMS(α cos δ) = 1.9189 mas
RMS(δ) = 6.1175 mas
Variability ellipse semimajor axis = 6.1206 mas
Variability ellipse semiminor axis = 1.9090 mas
Variability ellipse position angle = -1.9 deg
Equivalent α-δ correlation = -0.10

Observed in only 8 session(s)

Quarterly time series for 2154-183 (2026b, 4 global solutions)

Data

Right ascension: 329.3713493431756°
Declination: -18.1174610290091°
No. sessions: 8
No. delays: 307
Defining: No
RMS(α cos δ) = 1.8315 mas
RMS(δ) = 3.5871 mas
Variability ellipse semimajor axis = 3.9379 mas
Variability ellipse semiminor axis = 0.8456 mas
Variability ellipse position angle = 24.9 deg
Equivalent α-δ correlation = 0.86

Observed in only 8 session(s)