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: 250.1245527460028°
Declination: 39.7672663388912°
No. sessions: 1851
No. delays: 161501
Defining: No
RMS(α cos δ) = 107768.8403 mas
RMS(δ) = *********** mas

Quarterly time series for 1638+398

Data - Demeaned data

Right ascension: 250.1234698656351°
Declination: 39.7794523628001°
No. sessions: 1780
No. delays: 152957
Defining: No
RMS(α cos δ) = 0.1295 mas
RMS(δ) = 0.1696 mas