Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1615+029 (2026b, independent mode)

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

Right ascension: 244.4579505998014°
Declination: 2.7786400943067°
No. sessions: 147
No. delays: 3193
Defining: No
RMS(α cos δ) = 4.1191 mas
RMS(δ) = 5.4766 mas
Variability ellipse semimajor axis = 6.7742 mas
Variability ellipse semiminor axis = 1.0343 mas
Variability ellipse position angle = -36.5 deg
Equivalent α-δ correlation = -0.95

Quarterly time series for 1615+029 (2026b, 4 global solutions)

Data

Right ascension: 244.4579505125880°
Declination: 2.7786401647144°
No. sessions: 121
No. delays: 3115
Defining: No
RMS(α cos δ) = 0.2888 mas
RMS(δ) = 0.5466 mas
Variability ellipse semimajor axis = 0.5482 mas
Variability ellipse semiminor axis = 0.2858 mas
Variability ellipse position angle = -5.0 deg
Equivalent α-δ correlation = -0.12