Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 0804-172 (2026a, independent mode)

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

Right ascension: 121.6040239337890°
Declination: -17.4123153265833°
No. sessions: 4
No. delays: 255
Defining: No
RMS(α cos δ) = 0.1569 mas
RMS(δ) = 0.6413 mas
Variability ellipse semimajor axis = 0.6414 mas
Variability ellipse semiminor axis = 0.1568 mas
Variability ellipse position angle = -0.5 deg
Equivalent α-δ correlation = -0.04

Observed in only 4 session(s)

Quarterly time series for 0804-172 (2026a, 4 global solutions)

Data

Right ascension: 121.6040239216969°
Declination: -17.4123153711993°
No. sessions: 5
No. delays: 282
Defining: No
RMS(α cos δ) = 0.1981 mas
RMS(δ) = 0.2839 mas
Variability ellipse semimajor axis = 0.2886 mas
Variability ellipse semiminor axis = 0.1912 mas
Variability ellipse position angle = -13.9 deg
Equivalent α-δ correlation = -0.19

Observed in only 5 session(s)