Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1257+123 (2026a, independent mode)

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

Right ascension: 195.0080787056937°
Declination: 12.1061440249037°
No. sessions: 5
No. delays: 401
Defining: No
RMS(α cos δ) = 0.2021 mas
RMS(δ) = 0.3598 mas

Observed in only 5 session(s)

Quarterly time series for 1257+123 (2026a, 4 global solutions)

Data

Right ascension: 195.0080786795826°
Declination: 12.1061438848511°
No. sessions: 5
No. delays: 401
Defining: No
RMS(α cos δ) = 0.1540 mas
RMS(δ) = 0.2908 mas

Observed in only 5 session(s)