Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1240+381 (2026b, independent mode)

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

Right ascension: 190.7140377316969°
Declination: 37.8500070918671°
No. sessions: 62
No. delays: 2833
Defining: No
RMS(α cos δ) = 0.5200 mas
RMS(δ) = 0.5023 mas
Variability ellipse semimajor axis = 0.5630 mas
Variability ellipse semiminor axis = 0.4536 mas
Variability ellipse position angle = -49.6 deg
Equivalent α-δ correlation = -0.21

Observed in only 62 session(s)

Quarterly time series for 1240+381 (2026b, 4 global solutions)

Data

Right ascension: 190.7140377939937°
Declination: 37.8500070312418°
No. sessions: 59
No. delays: 2824
Defining: No
RMS(α cos δ) = 0.2697 mas
RMS(δ) = 0.2422 mas
Variability ellipse semimajor axis = 0.3203 mas
Variability ellipse semiminor axis = 0.1697 mas
Variability ellipse position angle = -50.5 deg
Equivalent α-δ correlation = -0.55

Observed in only 59 session(s)