Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1555+455 (2026b, independent mode)

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

Right ascension: 239.3291651423380°
Declination: 45.3726492029230°
No. sessions: 5
No. delays: 448
Defining: No
RMS(α cos δ) = 0.7605 mas
RMS(δ) = 0.8960 mas
Variability ellipse semimajor axis = 1.0217 mas
Variability ellipse semiminor axis = 0.5807 mas
Variability ellipse position angle = 35.7 deg
Equivalent α-δ correlation = 0.49

Observed in only 5 session(s)

Quarterly time series for 1555+455 (2026b, 4 global solutions)

Data

Right ascension: 239.3291652715819°
Declination: 45.3726492771260°
No. sessions: 5
No. delays: 448
Defining: No
RMS(α cos δ) = 0.1484 mas
RMS(δ) = 0.3046 mas
Variability ellipse semimajor axis = 0.3163 mas
Variability ellipse semiminor axis = 0.1215 mas
Variability ellipse position angle = 16.9 deg
Equivalent α-δ correlation = 0.53

Observed in only 5 session(s)