Paris Observatory Geodetic VLBI Center

 

Radio source coordinate time series for 2021+317 (independent mode)

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

Right ascension: 305.8292388383914°
Declination: 31.8839738675603°
No. sessions: 45
No. delays: 1365
Defining: No
RMS(α cos δ) = 1.8379 mas
RMS(δ) = 4.8833 mas

Observed in only 45 session(s)


Quarterly time series for 2021+317

Data - Demeaned data

Right ascension: 305.8292389082758°
Declination: 31.8839738870085°
No. sessions: 48
No. delays: 1469
Defining: No
RMS(α cos δ) = 0.3605 mas
RMS(δ) = 0.3681 mas

Observed in only 48 session(s)