Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1009+747 (2026b, independent mode)

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

Right ascension: 153.3777690330925°
Declination: 74.4574615574511°
No. sessions: 5
No. delays: 353
Defining: No
RMS(α cos δ) = 0.3052 mas
RMS(δ) = 0.4153 mas
Variability ellipse semimajor axis = 0.4407 mas
Variability ellipse semiminor axis = 0.2673 mas
Variability ellipse position angle = -24.8 deg
Equivalent α-δ correlation = -0.37

Observed in only 5 session(s)

Quarterly time series for 1009+747 (2026b, 4 global solutions)

Data

Right ascension: 153.3777691923127°
Declination: 74.4574615177460°
No. sessions: 5
No. delays: 353
Defining: No
RMS(α cos δ) = 0.2587 mas
RMS(δ) = 0.2172 mas
Variability ellipse semimajor axis = 0.3212 mas
Variability ellipse semiminor axis = 0.1046 mas
Variability ellipse position angle = 51.1 deg
Equivalent α-δ correlation = 0.80

Observed in only 5 session(s)