Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1754+155 (2026b, independent mode)

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

Right ascension: 269.2212580328609°
Declination: 15.5891199128725°
No. sessions: 253
No. delays: 10484
Defining: Yes
RMS(α cos δ) = 68.4096 mas
RMS(δ) = 92.8193 mas
Variability ellipse semimajor axis = 124.0743 mas
Variability ellipse semiminor axis = 45.8163 mas
Variability ellipse position angle = -38.4 deg
Equivalent α-δ correlation = -1.34

Quarterly time series for 1754+155 (2026b, 4 global solutions)

Data

Right ascension: 269.2212589344676°
Declination: 15.5891184703938°
No. sessions: 220
No. delays: 10385
Defining: Yes
RMS(α cos δ) = 0.2421 mas
RMS(δ) = 0.2382 mas
Variability ellipse semimajor axis = 0.2555 mas
Variability ellipse semiminor axis = 0.2238 mas
Variability ellipse position angle = 48.5 deg
Equivalent α-δ correlation = 0.13