Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1656+053 (2026b, independent mode)

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

Right ascension: 254.6393647628892°
Declination: 5.2545666311385°
No. sessions: 97
No. delays: 2159
Defining: No
RMS(α cos δ) = 197.8769 mas
RMS(δ) = 309.5700 mas
Variability ellipse semimajor axis = 466.4096 mas
Variability ellipse semiminor axis = 287.3134 mas
Variability ellipse position angle = -39.5 deg
Equivalent α-δ correlation = -2.41

Observed in only 97 session(s)

Quarterly time series for 1656+053 (2026b, 4 global solutions)

Data

Right ascension: 254.6393638631712°
Declination: 5.2545677589130°
No. sessions: 89
No. delays: 2128
Defining: No
RMS(α cos δ) = 0.3502 mas
RMS(δ) = 0.3592 mas
Variability ellipse semimajor axis = 0.3797 mas
Variability ellipse semiminor axis = 0.3279 mas
Variability ellipse position angle = 39.9 deg
Equivalent α-δ correlation = 0.14

Observed in only 89 session(s)