Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1720+250 (2026a, independent mode)

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

Right ascension: 260.7207915074054°
Declination: 24.9763034008391°
No. sessions: 6
No. delays: 553
Defining: No
RMS(α cos δ) = 0.2667 mas
RMS(δ) = 0.7486 mas
Variability ellipse semimajor axis = 0.7570 mas
Variability ellipse semiminor axis = 0.2419 mas
Variability ellipse position angle = -9.0 deg
Equivalent α-δ correlation = -0.40

Observed in only 6 session(s)

Quarterly time series for 1720+250 (2026a, 4 global solutions)

Data

Right ascension: 260.7207915597120°
Declination: 24.9763034219787°
No. sessions: 6
No. delays: 553
Defining: No
RMS(α cos δ) = 0.0815 mas
RMS(δ) = 0.6974 mas
Variability ellipse semimajor axis = 0.6990 mas
Variability ellipse semiminor axis = 0.0662 mas
Variability ellipse position angle = -3.9 deg
Equivalent α-δ correlation = -0.58

Observed in only 6 session(s)