Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1555+030 (2026b, independent mode)

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

Right ascension: 239.4698470534510°
Declination: 2.8910784723174°
No. sessions: 5
No. delays: 461
Defining: No
RMS(α cos δ) = 0.2665 mas
RMS(δ) = 0.3832 mas
Variability ellipse semimajor axis = 0.3893 mas
Variability ellipse semiminor axis = 0.2575 mas
Variability ellipse position angle = -13.6 deg
Equivalent α-δ correlation = -0.19

Observed in only 5 session(s)

Quarterly time series for 1555+030 (2026b, 4 global solutions)

Data

Right ascension: 239.4698470963677°
Declination: 2.8910784812006°
No. sessions: 5
No. delays: 461
Defining: No
RMS(α cos δ) = 0.2092 mas
RMS(δ) = 0.2665 mas
Variability ellipse semimajor axis = 0.3276 mas
Variability ellipse semiminor axis = 0.0862 mas
Variability ellipse position angle = -37.0 deg
Equivalent α-δ correlation = -0.86

Observed in only 5 session(s)