Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 2150+173 (2026b, independent mode)

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

Right ascension: 328.1034141426460°
Declination: 17.5771653095140°
No. sessions: 124
No. delays: 5043
Defining: No
RMS(α cos δ) = 0.6466 mas
RMS(δ) = 0.8594 mas
Variability ellipse semimajor axis = 0.8720 mas
Variability ellipse semiminor axis = 0.6295 mas
Variability ellipse position angle = 14.1 deg
Equivalent α-δ correlation = 0.16

Quarterly time series for 2150+173 (2026b, 4 global solutions)

Data

Right ascension: 328.1034141416698°
Declination: 17.5771652918807°
No. sessions: 121
No. delays: 5034
Defining: No
RMS(α cos δ) = 0.1844 mas
RMS(δ) = 0.2359 mas
Variability ellipse semimajor axis = 0.2413 mas
Variability ellipse semiminor axis = 0.1772 mas
Variability ellipse position angle = -18.1 deg
Equivalent α-δ correlation = -0.18