Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1630-258 (2026a, independent mode)

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

Right ascension: 248.3703776189518°
Declination: -25.9598554415126°
No. sessions: 7
No. delays: 520
Defining: No
RMS(α cos δ) = 0.5453 mas
RMS(δ) = 1.6902 mas
Variability ellipse semimajor axis = 1.7146 mas
Variability ellipse semiminor axis = 0.4626 mas
Variability ellipse position angle = 10.0 deg
Equivalent α-δ correlation = 0.51

Observed in only 7 session(s)

Quarterly time series for 1630-258 (2026a, 4 global solutions)

Data

Right ascension: 248.3703775779669°
Declination: -25.9598553653466°
No. sessions: 8
No. delays: 592
Defining: No
RMS(α cos δ) = 0.1848 mas
RMS(δ) = 0.2932 mas
Variability ellipse semimajor axis = 0.3050 mas
Variability ellipse semiminor axis = 0.1648 mas
Variability ellipse position angle = 19.0 deg
Equivalent α-δ correlation = 0.37

Observed in only 8 session(s)