Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1557+032 (2025b, independent mode)

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

Right ascension: 239.8790525831324°
Declination: 3.0800714401741°
No. sessions: 166
No. delays: 7353
Defining: Yes
RMS(α cos δ) = 2.8959 mas
RMS(δ) = 3.5094 mas

Quarterly time series for 1557+032 (2025b, 4 global solutions)

Data

Right ascension: 239.8790525767089°
Declination: 3.0800713353451°
No. sessions: 134
No. delays: 5564
Defining: Yes
RMS(α cos δ) = 0.2215 mas
RMS(δ) = 0.3598 mas