Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1830+012 (2026b, independent mode)

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

Right ascension: 278.1670574149352°
Declination: 1.3045757987369°
No. sessions: 5
No. delays: 346
Defining: No
RMS(α cos δ) = 0.1635 mas
RMS(δ) = 1.3503 mas
Variability ellipse semimajor axis = 1.3602 mas
Variability ellipse semiminor axis = 0.0109 mas
Variability ellipse position angle = -6.9 deg
Equivalent α-δ correlation = -1.00

Observed in only 5 session(s)

Quarterly time series for 1830+012 (2026b, 4 global solutions)

Data

Right ascension: 278.1670573719182°
Declination: 1.3045759038409°
No. sessions: 5
No. delays: 346
Defining: No
RMS(α cos δ) = 0.1060 mas
RMS(δ) = 0.2673 mas
Variability ellipse semimajor axis = 0.2688 mas
Variability ellipse semiminor axis = 0.1021 mas
Variability ellipse position angle = 6.5 deg
Equivalent α-δ correlation = 0.25

Observed in only 5 session(s)