Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1639+230 (2025c, independent mode)

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

Right ascension: 250.3549159067670°
Declination: 22.9512879217927°
No. sessions: 867
No. delays: 40346
Defining: No
RMS(α cos δ) = 2813.6141 mas
RMS(δ) = 4149.3015 mas

Quarterly time series for 1639+230 (2025c, 4 global solutions)

Data

Right ascension: 250.3551148798646°
Declination: 22.9511202102623°
No. sessions: 717
No. delays: 33146
Defining: No
RMS(α cos δ) = 0.1561 mas
RMS(δ) = 0.2531 mas