Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 0839+187 (2026b, independent mode)

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

Right ascension: 130.5212257754202°
Declination: 18.5947195358730°
No. sessions: 39
No. delays: 1898
Defining: No
RMS(α cos δ) = 0.6363 mas
RMS(δ) = 1.6704 mas
Variability ellipse semimajor axis = 1.6716 mas
Variability ellipse semiminor axis = 0.6332 mas
Variability ellipse position angle = -2.3 deg
Equivalent α-δ correlation = -0.09

Observed in only 39 session(s)

Quarterly time series for 0839+187 (2026b, 4 global solutions)

Data

Right ascension: 130.5212257032051°
Declination: 18.5947195299410°
No. sessions: 35
No. delays: 1851
Defining: No
RMS(α cos δ) = 0.2883 mas
RMS(δ) = 0.5714 mas
Variability ellipse semimajor axis = 0.5716 mas
Variability ellipse semiminor axis = 0.2879 mas
Variability ellipse position angle = 1.7 deg
Equivalent α-δ correlation = 0.04

Observed in only 35 session(s)