Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1154+552 (2026b, independent mode)

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

Right ascension: 179.3354294908415°
Declination: 54.9609399853271°
No. sessions: 4
No. delays: 99
Defining: No
RMS(α cos δ) = 6.8062 mas
RMS(δ) = 2.3306 mas
Variability ellipse semimajor axis = 7.0793 mas
Variability ellipse semiminor axis = 1.2802 mas
Variability ellipse position angle = 73.7 deg
Equivalent α-δ correlation = 0.82

Observed in only 4 session(s)

Quarterly time series for 1154+552 (2026b, 4 global solutions)

Data

Right ascension: 179.3354319017122°
Declination: 54.9609401095765°
No. sessions: 4
No. delays: 99
Defining: No
RMS(α cos δ) = 3.1849 mas
RMS(δ) = 2.2090 mas
Variability ellipse semimajor axis = 3.8351 mas
Variability ellipse semiminor axis = 0.5618 mas
Variability ellipse position angle = 55.7 deg
Equivalent α-δ correlation = 0.95

Observed in only 4 session(s)