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: 250.1234739533088°
Declination: 39.7794527207357°
No. sessions: 1983
No. delays: 167951
Defining: No
RMS(α cos δ) = 236.7560 mas
RMS(δ) = 150.5037 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