Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 0637-752 (2026b, independent mode)

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

Right ascension: 98.9437818137192°
Declination: -75.2713370402176°
No. sessions: 662
No. delays: 18793
Defining: No
RMS(α cos δ) = 203.4595 mas
RMS(δ) = 181.8292 mas
Variability ellipse semimajor axis = 243.4465 mas
Variability ellipse semiminor axis = 123.2536 mas
Variability ellipse position angle = -50.4 deg
Equivalent α-δ correlation = -0.58

Quarterly time series for 0637-752 (2026b, 4 global solutions)

Data

Right ascension: 98.9437828537555°
Declination: -75.2713376428079°
No. sessions: 611
No. delays: 18438
Defining: No
RMS(α cos δ) = 0.9436 mas
RMS(δ) = 0.3002 mas
Variability ellipse semimajor axis = 0.9625 mas
Variability ellipse semiminor axis = 0.2322 mas
Variability ellipse position angle = -78.2 deg
Equivalent α-δ correlation = -0.61