Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 2021+317 (2025b, independent mode)

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

Right ascension: 305.8292391612645°
Declination: 31.8839727831095°
No. sessions: 58
No. delays: 1799
Defining: No
RMS(α cos δ) = 1.0766 mas
RMS(δ) = 3.3470 mas

Observed in only 58 session(s)

Quarterly time series for 2021+317 (2025b, 4 global solutions)

Data

Right ascension: 305.8292389466660°
Declination: 31.8839738990909°
No. sessions: 53
No. delays: 1554
Defining: No
RMS(α cos δ) = 0.3626 mas
RMS(δ) = 0.3963 mas

Observed in only 53 session(s)