Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1228+045 (2026b, independent mode)

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

Right ascension: 187.8649412138780°
Declination: 4.3005248405882°
No. sessions: 7
No. delays: 707
Defining: No
RMS(α cos δ) = 0.3033 mas
RMS(δ) = 1.1710 mas
Variability ellipse semimajor axis = 1.1759 mas
Variability ellipse semiminor axis = 0.2836 mas
Variability ellipse position angle = -5.4 deg
Equivalent α-δ correlation = -0.34

Observed in only 7 session(s)

Quarterly time series for 1228+045 (2026b, 4 global solutions)

Data

Right ascension: 187.8649411800161°
Declination: 4.3005247687995°
No. sessions: 7
No. delays: 707
Defining: No
RMS(α cos δ) = 0.1619 mas
RMS(δ) = 0.2944 mas
Variability ellipse semimajor axis = 0.2984 mas
Variability ellipse semiminor axis = 0.1544 mas
Variability ellipse position angle = -10.9 deg
Equivalent α-δ correlation = -0.26

Observed in only 7 session(s)