Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1154+815 (2026b, independent mode)

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

Right ascension: 179.3031739055727°
Declination: 81.3066609386043°
No. sessions: 6
No. delays: 260
Defining: No
RMS(α cos δ) = 1.1764 mas
RMS(δ) = 1.1131 mas
Variability ellipse semimajor axis = 1.2182 mas
Variability ellipse semiminor axis = 1.0672 mas
Variability ellipse position angle = 57.4 deg
Equivalent α-δ correlation = 0.12

Observed in only 6 session(s)

Quarterly time series for 1154+815 (2026b, 4 global solutions)

Data

Right ascension: 179.3031735767253°
Declination: 81.3066608290037°
No. sessions: 6
No. delays: 260
Defining: No
RMS(α cos δ) = 0.9861 mas
RMS(δ) = 1.0098 mas
Variability ellipse semimajor axis = 1.2562 mas
Variability ellipse semiminor axis = 0.6435 mas
Variability ellipse position angle = 43.8 deg
Equivalent α-δ correlation = 0.58

Observed in only 6 session(s)