Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1838+575 (2026b, independent mode)

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

Right ascension: 279.7440076909935°
Declination: 57.5942459116703°
No. sessions: 5
No. delays: 422
Defining: No
RMS(α cos δ) = 0.3707 mas
RMS(δ) = 0.8044 mas
Variability ellipse semimajor axis = 0.8426 mas
Variability ellipse semiminor axis = 0.2729 mas
Variability ellipse position angle = -18.3 deg
Equivalent α-δ correlation = -0.64

Observed in only 5 session(s)

Quarterly time series for 1838+575 (2026b, 4 global solutions)

Data

Right ascension: 279.7440077028278°
Declination: 57.5942459672191°
No. sessions: 5
No. delays: 422
Defining: No
RMS(α cos δ) = 0.2803 mas
RMS(δ) = 0.1548 mas
Variability ellipse semimajor axis = 0.3034 mas
Variability ellipse semiminor axis = 0.1024 mas
Variability ellipse position angle = 66.0 deg
Equivalent α-δ correlation = 0.70

Observed in only 5 session(s)