Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1858+273 (2026b, independent mode)

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

Right ascension: 285.1444888298156°
Declination: 27.3752544654219°
No. sessions: 6
No. delays: 526
Defining: No
RMS(α cos δ) = 0.5058 mas
RMS(δ) = 0.5861 mas
Variability ellipse semimajor axis = 0.5893 mas
Variability ellipse semiminor axis = 0.5021 mas
Variability ellipse position angle = 11.4 deg
Equivalent α-δ correlation = 0.06

Observed in only 6 session(s)

Quarterly time series for 1858+273 (2026b, 4 global solutions)

Data

Right ascension: 285.1444888590830°
Declination: 27.3752544548589°
No. sessions: 6
No. delays: 526
Defining: No
RMS(α cos δ) = 0.2098 mas
RMS(δ) = 0.2383 mas
Variability ellipse semimajor axis = 0.2615 mas
Variability ellipse semiminor axis = 0.1801 mas
Variability ellipse position angle = -34.5 deg
Equivalent α-δ correlation = -0.34

Observed in only 6 session(s)