Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1247+139 (2026a, independent mode)

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

Right ascension: 192.6175751760327°
Declination: 13.7278847411361°
No. sessions: 5
No. delays: 416
Defining: No
RMS(α cos δ) = 0.2272 mas
RMS(δ) = 0.6230 mas
Variability ellipse semimajor axis = 0.6290 mas
Variability ellipse semiminor axis = 0.2098 mas
Variability ellipse position angle = 8.4 deg
Equivalent α-δ correlation = 0.36

Observed in only 5 session(s)

Quarterly time series for 1247+139 (2026a, 4 global solutions)

Data

Right ascension: 192.6175751816209°
Declination: 13.7278846785893°
No. sessions: 5
No. delays: 416
Defining: No
RMS(α cos δ) = 0.0904 mas
RMS(δ) = 0.2369 mas
Variability ellipse semimajor axis = 0.2390 mas
Variability ellipse semiminor axis = 0.0847 mas
Variability ellipse position angle = -8.1 deg
Equivalent α-δ correlation = -0.33

Observed in only 5 session(s)