Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1637+574 (2025c, independent mode)

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

Right ascension: 249.5547598305758°
Declination: 57.3396593284974°
No. sessions: 399
No. delays: 17047
Defining: No
RMS(α cos δ) = 57968.3563 mas
RMS(δ) = 19453.2073 mas

Quarterly time series for 1637+574 (2025c, 4 global solutions)

Data

Right ascension: 249.5560679609908°
Declination: 57.3399941640913°
No. sessions: 367
No. delays: 15095
Defining: No
RMS(α cos δ) = 0.2239 mas
RMS(δ) = 0.2703 mas