<Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1820+397 (2026a, independent mode)

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

Right ascension: 275.4987526538182°
Declination: 39.7665711357450°
No. sessions: 5
No. delays: 280
Defining: No
RMS(α cos δ) = 0.7710 mas
RMS(δ) = 0.6371 mas

Observed in only 5 session(s)

Quarterly time series for 1820+397 (2026a, 4 global solutions)

Data

Right ascension: 275.4987525970866°
Declination: 39.7665711164648°
No. sessions: 5
No. delays: 280
Defining: No
RMS(α cos δ) = 0.4404 mas
RMS(δ) = 0.5761 mas

Observed in only 5 session(s)