Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1630+163 (2026b, independent mode)

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

Right ascension: 248.2421109709932°
Declination: 16.2658499476867°
No. sessions: 7
No. delays: 677
Defining: No
RMS(α cos δ) = 0.6032 mas
RMS(δ) = 0.5169 mas
Variability ellipse semimajor axis = 0.6249 mas
Variability ellipse semiminor axis = 0.4905 mas
Variability ellipse position angle = -65.0 deg
Equivalent α-δ correlation = -0.18

Observed in only 7 session(s)

Quarterly time series for 1630+163 (2026b, 4 global solutions)

Data

Right ascension: 248.2421109696101°
Declination: 16.2658499546298°
No. sessions: 7
No. delays: 677
Defining: No
RMS(α cos δ) = 0.0868 mas
RMS(δ) = 0.3254 mas
Variability ellipse semimajor axis = 0.3276 mas
Variability ellipse semiminor axis = 0.0781 mas
Variability ellipse position angle = 6.8 deg
Equivalent α-δ correlation = 0.42

Observed in only 7 session(s)