Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1548+056 (2026b, independent mode)

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

Right ascension: 237.6469552824348°
Declination: 5.4529021719152°
No. sessions: 374
No. delays: 12130
Defining: No
RMS(α cos δ) = 63.9268 mas
RMS(δ) = 110.4428 mas
Variability ellipse semimajor axis = 162.7912 mas
Variability ellipse semiminor axis = 101.0778 mas
Variability ellipse position angle = -38.6 deg
Equivalent α-δ correlation = -2.54

Quarterly time series for 1548+056 (2026b, 4 global solutions)

Data

Right ascension: 237.6469551927967°
Declination: 5.4529022966711°
No. sessions: 354
No. delays: 12113
Defining: No
RMS(α cos δ) = 0.2978 mas
RMS(δ) = 0.4887 mas
Variability ellipse semimajor axis = 0.4901 mas
Variability ellipse semiminor axis = 0.2955 mas
Variability ellipse position angle = -5.4 deg
Equivalent α-δ correlation = -0.10