Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1531-221 (2026a, independent mode)

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

Right ascension: 233.5980334073170°
Declination: -22.3150947921074°
No. sessions: 10
No. delays: 521
Defining: No
RMS(α cos δ) = 0.6013 mas
RMS(δ) = 0.9563 mas

Observed in only 10 session(s)

Quarterly time series for 1531-221 (2026a, 4 global solutions)

Data

Right ascension: 233.5980333623349°
Declination: -22.3150948736858°
No. sessions: 11
No. delays: 529
Defining: No
RMS(α cos δ) = 0.4077 mas
RMS(δ) = 0.3009 mas

Observed in only 11 session(s)