Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1609-225 (2026b, independent mode)

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

Right ascension: 243.1185057082726°
Declination: -22.6629775412880°
No. sessions: 6
No. delays: 322
Defining: No
RMS(α cos δ) = 0.6063 mas
RMS(δ) = 1.5545 mas
Variability ellipse semimajor axis = 1.5547 mas
Variability ellipse semiminor axis = 0.6059 mas
Variability ellipse position angle = 0.8 deg
Equivalent α-δ correlation = 0.03

Observed in only 6 session(s)

Quarterly time series for 1609-225 (2026b, 4 global solutions)

Data

Right ascension: 243.1185055899414°
Declination: -22.6629775984468°
No. sessions: 6
No. delays: 322
Defining: No
RMS(α cos δ) = 0.6556 mas
RMS(δ) = 0.2281 mas
Variability ellipse semimajor axis = 0.6817 mas
Variability ellipse semiminor axis = 0.1310 mas
Variability ellipse position angle = 73.7 deg
Equivalent α-δ correlation = 0.80

Observed in only 6 session(s)