Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1617+306 (2026b, independent mode)

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

Right ascension: 244.7603914831491°
Declination: 30.5143297808541°
No. sessions: 5
No. delays: 308
Defining: No
RMS(α cos δ) = 0.4134 mas
RMS(δ) = 0.8616 mas
Variability ellipse semimajor axis = 0.8768 mas
Variability ellipse semiminor axis = 0.3799 mas
Variability ellipse position angle = 11.8 deg
Equivalent α-δ correlation = 0.35

Observed in only 5 session(s)

Quarterly time series for 1617+306 (2026b, 4 global solutions)

Data

Right ascension: 244.7603914515475°
Declination: 30.5143295877707°
No. sessions: 5
No. delays: 308
Defining: No
RMS(α cos δ) = 0.3435 mas
RMS(δ) = 0.4205 mas
Variability ellipse semimajor axis = 0.4315 mas
Variability ellipse semiminor axis = 0.3297 mas
Variability ellipse position angle = -20.2 deg
Equivalent α-δ correlation = -0.17

Observed in only 5 session(s)