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: 250.1244765324847°
Declination: 39.7685723766845°
No. sessions: 1851
No. delays: 162206
Defining: No
RMS(α cos δ) = 104043.6407 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