Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1656-075 (2026b, independent mode)

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

Right ascension: 254.6835915558475°
Declination: -7.6549151977129°
No. sessions: 225
No. delays: 8000
Defining: No
RMS(α cos δ) = 3.9892 mas
RMS(δ) = 4.9340 mas
Variability ellipse semimajor axis = 6.6004 mas
Variability ellipse semiminor axis = 1.8183 mas
Variability ellipse position angle = -39.8 deg
Equivalent α-δ correlation = -1.17

Quarterly time series for 1656-075 (2026b, 4 global solutions)

Data

Right ascension: 254.6835915322321°
Declination: -7.6549151351362°
No. sessions: 200
No. delays: 7922
Defining: No
RMS(α cos δ) = 0.3343 mas
RMS(δ) = 0.3674 mas
Variability ellipse semimajor axis = 0.4049 mas
Variability ellipse semiminor axis = 0.2877 mas
Variability ellipse position angle = 36.6 deg
Equivalent α-δ correlation = 0.32