Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1239+170 (2026b, independent mode)

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

Right ascension: 190.4871256438243°
Declination: 16.8198748968642°
No. sessions: 2
No. delays: 249
Defining: No
RMS(α cos δ) = 6.7061 mas
RMS(δ) = 1.4907 mas
Variability ellipse semimajor axis = 6.9036 mas
Variability ellipse semiminor axis = 0.6824 mas
Variability ellipse position angle = -76.3 deg
Equivalent α-δ correlation = -1.11

Observed in only 2 session(s)

Quarterly time series for 1239+170 (2026b, 4 global solutions)

Data

Right ascension: 190.4871264293336°
Declination: 16.8198747528011°
No. sessions: 2
No. delays: 249
Defining: No
RMS(α cos δ) = 0.0385 mas
RMS(δ) = 0.0522 mas
Variability ellipse semimajor axis = 0.0648 mas
Variability ellipse semiminor axis = 0.0032 mas
Variability ellipse position angle = -36.3 deg
Equivalent α-δ correlation = -0.99

Observed in only 2 session(s)