Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1903+097 (2026b, independent mode)

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

Right ascension: 286.4162455815500°
Declination: 9.8690019551157°
No. sessions: 4
No. delays: 278
Defining: No
RMS(α cos δ) = 0.6441 mas
RMS(δ) = 1.1228 mas
Variability ellipse semimajor axis = 1.2675 mas
Variability ellipse semiminor axis = 0.2628 mas
Variability ellipse position angle = 28.3 deg
Equivalent α-δ correlation = 0.89

Observed in only 4 session(s)

Quarterly time series for 1903+097 (2026b, 4 global solutions)

Data

Right ascension: 286.4162456765034°
Declination: 9.8690020203739°
No. sessions: 4
No. delays: 278
Defining: No
RMS(α cos δ) = 0.1859 mas
RMS(δ) = 0.3377 mas
Variability ellipse semimajor axis = 0.3422 mas
Variability ellipse semiminor axis = 0.1774 mas
Variability ellipse position angle = 10.9 deg
Equivalent α-δ correlation = 0.25

Observed in only 4 session(s)