Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1601+173 (2026b, independent mode)

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

Right ascension: 240.8836806534112°
Declination: 17.1986972241403°
No. sessions: 3
No. delays: 284
Defining: No
RMS(α cos δ) = 0.4738 mas
RMS(δ) = 0.5475 mas
Variability ellipse semimajor axis = 0.7136 mas
Variability ellipse semiminor axis = 0.1226 mas
Variability ellipse position angle = 40.6 deg
Equivalent α-δ correlation = 0.94

Observed in only 3 session(s)

Quarterly time series for 1601+173 (2026b, 4 global solutions)

Data

Right ascension: 240.8836806036902°
Declination: 17.1986971870724°
No. sessions: 3
No. delays: 284
Defining: No
RMS(α cos δ) = 0.1587 mas
RMS(δ) = 0.4035 mas
Variability ellipse semimajor axis = 0.4172 mas
Variability ellipse semiminor axis = 0.1180 mas
Variability ellipse position angle = -15.3 deg
Equivalent α-δ correlation = -0.64

Observed in only 3 session(s)