Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1548-177 (2026b, independent mode)

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

Right ascension: 237.8108263522093°
Declination: -17.9173127062093°
No. sessions: 7
No. delays: 512
Defining: No
RMS(α cos δ) = 0.2921 mas
RMS(δ) = 0.8420 mas
Variability ellipse semimajor axis = 0.8739 mas
Variability ellipse semiminor axis = 0.1750 mas
Variability ellipse position angle = 15.8 deg
Equivalent α-δ correlation = 0.78

Observed in only 7 session(s)

Quarterly time series for 1548-177 (2026b, 4 global solutions)

Data

Right ascension: 237.8108263052401°
Declination: -17.9173127809186°
No. sessions: 7
No. delays: 512
Defining: No
RMS(α cos δ) = 0.1088 mas
RMS(δ) = 0.4009 mas
Variability ellipse semimajor axis = 0.4018 mas
Variability ellipse semiminor axis = 0.1052 mas
Variability ellipse position angle = -4.0 deg
Equivalent α-δ correlation = -0.25

Observed in only 7 session(s)