Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1637-001 (2026b, independent mode)

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

Right ascension: 250.0441089444247°
Declination: -0.1965396181106°
No. sessions: 5
No. delays: 343
Defining: No
RMS(α cos δ) = 0.2358 mas
RMS(δ) = 1.2727 mas
Variability ellipse semimajor axis = 1.2750 mas
Variability ellipse semiminor axis = 0.2233 mas
Variability ellipse position angle = 3.4 deg
Equivalent α-δ correlation = 0.32

Observed in only 5 session(s)

Quarterly time series for 1637-001 (2026b, 4 global solutions)

Data

Right ascension: 250.0441089591251°
Declination: -0.1965396492153°
No. sessions: 5
No. delays: 343
Defining: No
RMS(α cos δ) = 0.1782 mas
RMS(δ) = 0.2486 mas
Variability ellipse semimajor axis = 0.2584 mas
Variability ellipse semiminor axis = 0.1636 mas
Variability ellipse position angle = -20.6 deg
Equivalent α-δ correlation = -0.30

Observed in only 5 session(s)