Paris Observatory Geodetic VLBI Center

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

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

Right ascension: 248.3703775884966°
Declination: -25.9598554059943°
No. sessions: 9
No. delays: 703
Defining: No
RMS(α cos δ) = 0.5136 mas
RMS(δ) = 1.5196 mas
Variability ellipse semimajor axis = 1.5348 mas
Variability ellipse semiminor axis = 0.4662 mas
Variability ellipse position angle = 8.4 deg
Equivalent α-δ correlation = 0.40

Observed in only 9 session(s)

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

Data

Right ascension: 248.3703776018423°
Declination: -25.9598553462009°
No. sessions: 9
No. delays: 703
Defining: No
RMS(α cos δ) = 0.1542 mas
RMS(δ) = 0.4267 mas
Variability ellipse semimajor axis = 0.4267 mas
Variability ellipse semiminor axis = 0.1541 mas
Variability ellipse position angle = -0.8 deg
Equivalent α-δ correlation = -0.04

Observed in only 9 session(s)