<Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1640-231 (2026a, independent mode)

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

Right ascension: 250.8891269520156°
Declination: -23.2688496764174°
No. sessions: 7
No. delays: 421
Defining: No
RMS(α cos δ) = 0.9108 mas
RMS(δ) = 0.5978 mas

Observed in only 7 session(s)

Quarterly time series for 1640-231 (2026a, 4 global solutions)

Data

Right ascension: 250.8891270483396°
Declination: -23.2688496288448°
No. sessions: 7
No. delays: 421
Defining: No
RMS(α cos δ) = 0.3525 mas
RMS(δ) = 0.9327 mas

Observed in only 7 session(s)