Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1830+011 (2026b, independent mode)

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

Right ascension: 278.2823368469119°
Declination: 1.2598059773275°
No. sessions: 5
No. delays: 465
Defining: No
RMS(α cos δ) = 0.3432 mas
RMS(δ) = 0.5318 mas
Variability ellipse semimajor axis = 0.6273 mas
Variability ellipse semiminor axis = 0.0839 mas
Variability ellipse position angle = -32.3 deg
Equivalent α-δ correlation = -0.96

Observed in only 5 session(s)

Quarterly time series for 1830+011 (2026b, 4 global solutions)

Data

Right ascension: 278.2823368731910°
Declination: 1.2598059514990°
No. sessions: 5
No. delays: 465
Defining: No
RMS(α cos δ) = 0.1133 mas
RMS(δ) = 0.2518 mas
Variability ellipse semimajor axis = 0.2612 mas
Variability ellipse semiminor axis = 0.0895 mas
Variability ellipse position angle = -16.4 deg
Equivalent α-δ correlation = -0.57

Observed in only 5 session(s)