Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1227+274 (2026b, independent mode)

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

Right ascension: 187.3926997163833°
Declination: 27.1989938183730°
No. sessions: 4
No. delays: 429
Defining: No
RMS(α cos δ) = 0.4762 mas
RMS(δ) = 0.0588 mas
Variability ellipse semimajor axis = 0.4783 mas
Variability ellipse semiminor axis = 0.0385 mas
Variability ellipse position angle = 84.6 deg
Equivalent α-δ correlation = 0.75

Observed in only 4 session(s)

Quarterly time series for 1227+274 (2026b, 4 global solutions)

Data

Right ascension: 187.3926998768174°
Declination: 27.1989938019286°
No. sessions: 4
No. delays: 429
Defining: No
RMS(α cos δ) = 0.1217 mas
RMS(δ) = 0.1069 mas
Variability ellipse semimajor axis = 0.1614 mas
Variability ellipse semiminor axis = 0.0140 mas
Variability ellipse position angle = 48.7 deg
Equivalent α-δ correlation = 0.98

Observed in only 4 session(s)