Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1228+077 (2026b, independent mode)

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

Right ascension: 187.8356762362168°
Declination: 7.4312827335714°
No. sessions: 4
No. delays: 245
Defining: No
RMS(α cos δ) = 26.6750 mas
RMS(δ) = 38.4212 mas
Variability ellipse semimajor axis = 48.0280 mas
Variability ellipse semiminor axis = 10.9061 mas
Variability ellipse position angle = -35.8 deg
Equivalent α-δ correlation = -1.12

Observed in only 4 session(s)

Quarterly time series for 1228+077 (2026b, 4 global solutions)

Data

Right ascension: 187.8356735418249°
Declination: 7.4312877287310°
No. sessions: 4
No. delays: 245
Defining: No
RMS(α cos δ) = 0.3814 mas
RMS(δ) = 0.5367 mas
Variability ellipse semimajor axis = 0.6271 mas
Variability ellipse semiminor axis = 0.2006 mas
Variability ellipse position angle = 33.0 deg
Equivalent α-δ correlation = 0.79

Observed in only 4 session(s)