<Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1257+839 (2026a, independent mode)

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

Right ascension: 194.4017704948350°
Declination: 83.7086897575924°
No. sessions: 5
No. delays: 433
Defining: No
RMS(α cos δ) = 0.9539 mas
RMS(δ) = 0.5717 mas

Observed in only 5 session(s)

Quarterly time series for 1257+839 (2026a, 4 global solutions)

Data

Right ascension: 194.4017707557510°
Declination: 83.7086898144281°
No. sessions: 5
No. delays: 433
Defining: No
RMS(α cos δ) = 0.6319 mas
RMS(δ) = 0.4914 mas

Observed in only 5 session(s)