Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1645+271 (2026b, independent mode)

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

Right ascension: 251.8899932259271°
Declination: 27.0995259864043°
No. sessions: 8
No. delays: 770
Defining: No
RMS(α cos δ) = 0.4502 mas
RMS(δ) = 0.2987 mas
Variability ellipse semimajor axis = 0.4585 mas
Variability ellipse semiminor axis = 0.2858 mas
Variability ellipse position angle = 75.9 deg
Equivalent α-δ correlation = 0.22

Observed in only 8 session(s)

Quarterly time series for 1645+271 (2026b, 4 global solutions)

Data

Right ascension: 251.8899932918976°
Declination: 27.0995259282333°
No. sessions: 8
No. delays: 770
Defining: No
RMS(α cos δ) = 0.1155 mas
RMS(δ) = 0.2791 mas
Variability ellipse semimajor axis = 0.2814 mas
Variability ellipse semiminor axis = 0.1098 mas
Variability ellipse position angle = 7.9 deg
Equivalent α-δ correlation = 0.29

Observed in only 8 session(s)