Paris Observatory Geodetic VLBI Center

 

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

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

Right ascension: 275.4987526823498°
Declination: 39.7665710617805°
No. sessions: 5
No. delays: 280
Defining: No
RMS(α cos δ) = 1.2251 mas
RMS(δ) = 0.9420 mas

Observed in only 5 session(s)


Quarterly time series for 1820+397

Data - Demeaned data

Right ascension: 275.4987525986232°
Declination: 39.7665711694053°
No. sessions: 4
No. delays: 233
Defining: No
RMS(α cos δ) = 0.4932 mas
RMS(δ) = 0.6041 mas

Observed in only 4 session(s)