Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1638+540 (2025c, independent mode)

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

Right ascension: 249.9160127090131°
Declination: 53.9630883410359°
No. sessions: 6
No. delays: 562
Defining: No
RMS(α cos δ) = 0.3662 mas
RMS(δ) = 0.3197 mas

Observed in only 6 session(s)

Quarterly time series for 1638+540 (2025c, 4 global solutions)

Data

Right ascension: 249.9160127028688°
Declination: 53.9630883483340°
No. sessions: 6
No. delays: 562
Defining: No
RMS(α cos δ) = 0.2133 mas
RMS(δ) = 0.2285 mas

Observed in only 6 session(s)