<Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1638+118 (2026a, independent mode)

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

Right ascension: 250.2453858446555°
Declination: 11.7345034882955°
No. sessions: 5
No. delays: 455
Defining: No
RMS(α cos δ) = 0.6513 mas
RMS(δ) = 0.3145 mas

Observed in only 5 session(s)

Quarterly time series for 1638+118 (2026a, 4 global solutions)

Data

Right ascension: 250.2453858302776°
Declination: 11.7345034198136°
No. sessions: 4
No. delays: 452
Defining: No
RMS(α cos δ) = 0.0787 mas
RMS(δ) = 0.1806 mas

Observed in only 4 session(s)