Paris Observatory Geodetic VLBI Center

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

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

Right ascension: 244.7603914872528°
Declination: 30.5143297875109°
No. sessions: 5
No. delays: 308
Defining: No
RMS(α cos δ) = 0.4152 mas
RMS(δ) = 0.8755 mas
Variability ellipse semimajor axis = 0.8896 mas
Variability ellipse semiminor axis = 0.3841 mas
Variability ellipse position angle = 11.3 deg
Equivalent α-δ correlation = 0.34

Observed in only 5 session(s)

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

Data

Right ascension: 244.7603914387254°
Declination: 30.5143295927462°
No. sessions: 5
No. delays: 308
Defining: No
RMS(α cos δ) = 0.3483 mas
RMS(δ) = 0.4386 mas
Variability ellipse semimajor axis = 0.4695 mas
Variability ellipse semiminor axis = 0.3055 mas
Variability ellipse position angle = -28.0 deg
Equivalent α-δ correlation = -0.34

Observed in only 5 session(s)