Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1631-208 (2026b, independent mode)

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

Right ascension: 248.6263490653614°
Declination: -20.9738717693623°
No. sessions: 13
No. delays: 738
Defining: No
RMS(α cos δ) = 0.5630 mas
RMS(δ) = 1.5462 mas
Variability ellipse semimajor axis = 1.5523 mas
Variability ellipse semiminor axis = 0.5459 mas
Variability ellipse position angle = -5.4 deg
Equivalent α-δ correlation = -0.23

Observed in only 13 session(s)

Quarterly time series for 1631-208 (2026b, 4 global solutions)

Data

Right ascension: 248.6263490083855°
Declination: -20.9738716755003°
No. sessions: 13
No. delays: 738
Defining: No
RMS(α cos δ) = 0.1485 mas
RMS(δ) = 0.2430 mas
Variability ellipse semimajor axis = 0.2464 mas
Variability ellipse semiminor axis = 0.1426 mas
Variability ellipse position angle = 11.8 deg
Equivalent α-δ correlation = 0.22

Observed in only 13 session(s)