Paris Observatory Geodetic VLBI Center

 

Radio source coordinate time series for 1638+540

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

Right ascension: 249.9160126631209°
Declination: 53.9630883135506°
No. sessions: 4
No. delays: 409
Defining: No
RMS(α cos δ) = 0.1590 mas
RMS(δ) = 0.1620 mas

Observed in only 4 session(s)