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: 250.1244031179988°
Declination: 39.7693044226730°
No. sessions: 1884
No. delays: 165428
Defining: No
RMS(α cos δ) = 100179.1914 mas
RMS(δ) = *********** mas


Quarterly time series for 1638+398

Data - Demeaned data

Right ascension: 250.1234698698489°
Declination: 39.7794523376869°
No. sessions: 1821
No. delays: 151959
Defining: No
RMS(α cos δ) = 0.1729 mas
RMS(δ) = 0.1717 mas