Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1505+428 (2026b, independent mode)

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

Right ascension: 226.7210063376654°
Declination: 42.6563987957042°
No. sessions: 7
No. delays: 531
Defining: No
RMS(α cos δ) = 10.9767 mas
RMS(δ) = 0.5736 mas
Variability ellipse semimajor axis = 10.9783 mas
Variability ellipse semiminor axis = 0.5424 mas
Variability ellipse position angle = 89.0 deg
Equivalent α-δ correlation = 0.32

Observed in only 7 session(s)

Quarterly time series for 1505+428 (2026b, 4 global solutions)

Data

Right ascension: 226.7210077421180°
Declination: 42.6563987498917°
No. sessions: 7
No. delays: 531
Defining: No
RMS(α cos δ) = 0.1286 mas
RMS(δ) = 0.1478 mas
Variability ellipse semimajor axis = 0.1679 mas
Variability ellipse semiminor axis = 0.1010 mas
Variability ellipse position angle = -36.4 deg
Equivalent α-δ correlation = -0.45

Observed in only 7 session(s)