<Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1637+574 (2026a, independent mode)

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

Right ascension: 249.5560677680371°
Declination: 57.3399942666449°
No. sessions: 397
No. delays: 15429
Defining: No
RMS(α cos δ) = 4.5428 mas
RMS(δ) = 9.2810 mas

Quarterly time series for 1637+574 (2026a, 4 global solutions)

Data

Right ascension: 249.5560679573925°
Declination: 57.3399941642763°
No. sessions: 367
No. delays: 15095
Defining: No
RMS(α cos δ) = 0.2189 mas
RMS(δ) = 0.2698 mas