Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1225+498 (2026b, independent mode)

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

Right ascension: 186.9821862687604°
Declination: 49.5489016439876°
No. sessions: 8
No. delays: 816
Defining: No
RMS(α cos δ) = 0.4385 mas
RMS(δ) = 0.8948 mas
Variability ellipse semimajor axis = 0.9717 mas
Variability ellipse semiminor axis = 0.2205 mas
Variability ellipse position angle = 23.6 deg
Equivalent α-δ correlation = 0.84

Observed in only 8 session(s)

Quarterly time series for 1225+498 (2026b, 4 global solutions)

Data

Right ascension: 186.9821863302706°
Declination: 49.5489016422123°
No. sessions: 8
No. delays: 816
Defining: No
RMS(α cos δ) = 0.1873 mas
RMS(δ) = 0.4556 mas
Variability ellipse semimajor axis = 0.4710 mas
Variability ellipse semiminor axis = 0.1443 mas
Variability ellipse position angle = -15.4 deg
Equivalent α-δ correlation = -0.60

Observed in only 8 session(s)