Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1820+397 (2025b, independent mode)

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

Right ascension: 275.4987526528274°
Declination: 39.7665711358941°
No. sessions: 5
No. delays: 280
Defining: No
RMS(α cos δ) = 0.7701 mas
RMS(δ) = 0.6359 mas

Observed in only 5 session(s)

Quarterly time series for 1820+397 (2025b, 4 global solutions)

Data

Right ascension: 275.4987525869053°
Declination: 39.7665711259015°
No. sessions: 5
No. delays: 280
Defining: No
RMS(α cos δ) = 0.4261 mas
RMS(δ) = 0.5849 mas

Observed in only 5 session(s)