Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1645+174 (2026b, independent mode)

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

Right ascension: 251.9243308243692°
Declination: 17.3366277507323°
No. sessions: 6
No. delays: 260
Defining: No
RMS(α cos δ) = 4.0366 mas
RMS(δ) = 2.1422 mas
Variability ellipse semimajor axis = 4.0485 mas
Variability ellipse semiminor axis = 2.1196 mas
Variability ellipse position angle = -84.8 deg
Equivalent α-δ correlation = -0.12

Observed in only 6 session(s)

Quarterly time series for 1645+174 (2026b, 4 global solutions)

Data

Right ascension: 251.9243312889533°
Declination: 17.3366277355019°
No. sessions: 6
No. delays: 260
Defining: No
RMS(α cos δ) = 0.4310 mas
RMS(δ) = 2.2712 mas
Variability ellipse semimajor axis = 2.2866 mas
Variability ellipse semiminor axis = 0.3401 mas
Variability ellipse position angle = -6.7 deg
Equivalent α-δ correlation = -0.61

Observed in only 6 session(s)