Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1309+257 (2025b, independent mode)

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

Right ascension: 198.0595373419181°
Declination: 25.5203266773452°
No. sessions: 4
No. delays: 306
Defining: No
RMS(α cos δ) = 0.5912 mas
RMS(δ) = 0.4652 mas

Observed in only 4 session(s)

Quarterly time series for 1309+257 (2025b, 4 global solutions)

Data

Right ascension: 198.0595373743462°
Declination: 25.5203266177862°
No. sessions: 5
No. delays: 325
Defining: No
RMS(α cos δ) = 0.3617 mas
RMS(δ) = 0.1398 mas

Observed in only 5 session(s)