Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1658+037 (2026b, independent mode)

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

Right ascension: 255.3390757493403°
Declination: 3.6475487734361°
No. sessions: 8
No. delays: 837
Defining: No
RMS(α cos δ) = 0.7190 mas
RMS(δ) = 0.8560 mas
Variability ellipse semimajor axis = 1.0706 mas
Variability ellipse semiminor axis = 0.3217 mas
Variability ellipse position angle = 39.0 deg
Equivalent α-δ correlation = 0.83

Observed in only 8 session(s)

Quarterly time series for 1658+037 (2026b, 4 global solutions)

Data

Right ascension: 255.3390758036030°
Declination: 3.6475486934676°
No. sessions: 8
No. delays: 837
Defining: No
RMS(α cos δ) = 0.1464 mas
RMS(δ) = 0.2842 mas
Variability ellipse semimajor axis = 0.2923 mas
Variability ellipse semiminor axis = 0.1296 mas
Variability ellipse position angle = -15.0 deg
Equivalent α-δ correlation = -0.41

Observed in only 8 session(s)