Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1227+587 (2026b, independent mode)

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

Right ascension: 187.5294053337670°
Declination: 58.5021563066488°
No. sessions: 7
No. delays: 619
Defining: No
RMS(α cos δ) = 0.4060 mas
RMS(δ) = 0.3393 mas
Variability ellipse semimajor axis = 0.4103 mas
Variability ellipse semiminor axis = 0.3341 mas
Variability ellipse position angle = 75.5 deg
Equivalent α-δ correlation = 0.10

Observed in only 7 session(s)

Quarterly time series for 1227+587 (2026b, 4 global solutions)

Data

Right ascension: 187.5294052761847°
Declination: 58.5021563182988°
No. sessions: 7
No. delays: 619
Defining: No
RMS(α cos δ) = 0.1917 mas
RMS(δ) = 0.2136 mas
Variability ellipse semimajor axis = 0.2580 mas
Variability ellipse semiminor axis = 0.1257 mas
Variability ellipse position angle = -39.9 deg
Equivalent α-δ correlation = -0.61

Observed in only 7 session(s)