Paris Observatory Geodetic VLBI Center

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

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

Right ascension: 249.5560678067484°
Declination: 57.3399942451553°
No. sessions: 391
No. delays: 16253
Defining: No
RMS(α cos δ) = 3.8729 mas
RMS(δ) = 8.8306 mas

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

Data

Right ascension: 249.5560679556266°
Declination: 57.3399941666369°
No. sessions: 371
No. delays: 14566
Defining: No
RMS(α cos δ) = 0.2082 mas
RMS(δ) = 0.2454 mas