Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 0644+258 (2026a, independent mode)

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

Right ascension: 101.8510940489554°
Declination: 25.8283412426748°
No. sessions: 4
No. delays: 330
Defining: No
RMS(α cos δ) = 0.6399 mas
RMS(δ) = 0.8396 mas
Variability ellipse semimajor axis = 0.8509 mas
Variability ellipse semiminor axis = 0.6248 mas
Variability ellipse position angle = 13.8 deg
Equivalent α-δ correlation = 0.14

Observed in only 4 session(s)

Quarterly time series for 0644+258 (2026a, 4 global solutions)

Data

Right ascension: 101.8510941583833°
Declination: 25.8283412074726°
No. sessions: 4
No. delays: 330
Defining: No
RMS(α cos δ) = 0.1124 mas
RMS(δ) = 0.3543 mas
Variability ellipse semimajor axis = 0.3636 mas
Variability ellipse semiminor axis = 0.0773 mas
Variability ellipse position angle = -13.2 deg
Equivalent α-δ correlation = -0.71

Observed in only 4 session(s)