Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1659+399 (2026b, independent mode)

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

Right ascension: 255.3526453084222°
Declination: 39.9103030986129°
No. sessions: 73
No. delays: 3606
Defining: Yes
RMS(α cos δ) = 6.3332 mas
RMS(δ) = 12.1689 mas
Variability ellipse semimajor axis = 12.6159 mas
Variability ellipse semiminor axis = 5.3880 mas
Variability ellipse position angle = -16.9 deg
Equivalent α-δ correlation = -0.47

Observed in only 73 session(s)

Quarterly time series for 1659+399 (2026b, 4 global solutions)

Data

Right ascension: 255.3526450937671°
Declination: 39.9103032058479°
No. sessions: 69
No. delays: 3594
Defining: Yes
RMS(α cos δ) = 0.1716 mas
RMS(δ) = 0.2129 mas
Variability ellipse semimajor axis = 0.2129 mas
Variability ellipse semiminor axis = 0.1716 mas
Variability ellipse position angle = -0.9 deg
Equivalent α-δ correlation = -0.01

Observed in only 69 session(s)