Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1638+398 (independent mode)

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

Right ascension: 250.1234739459307°
Declination: 39.7794527200130°
No. sessions: 1998
No. delays: 168303
Defining: No
RMS(α cos δ) = 236.5404 mas
RMS(δ) = 150.3262 mas

Quarterly time series for 1638+398

Data - Demeaned data

Right ascension: 250.1234698614762°
Declination: 39.7794522748630°
No. sessions: 1940
No. delays: 164994
Defining: No
RMS(α cos δ) = 0.1573 mas
RMS(δ) = 0.3008 mas