Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1511+238 (2026b, independent mode)

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

Right ascension: 228.4174404568834°
Declination: 23.6431115530270°
No. sessions: 6
No. delays: 385
Defining: No
RMS(α cos δ) = 0.8551 mas
RMS(δ) = 0.9747 mas
Variability ellipse semimajor axis = 0.9773 mas
Variability ellipse semiminor axis = 0.8522 mas
Variability ellipse position angle = -8.4 deg
Equivalent α-δ correlation = -0.04

Observed in only 6 session(s)

Quarterly time series for 1511+238 (2026b, 4 global solutions)

Data

Right ascension: 228.4174404217237°
Declination: 23.6431113828663°
No. sessions: 6
No. delays: 385
Defining: No
RMS(α cos δ) = 0.3588 mas
RMS(δ) = 0.3060 mas
Variability ellipse semimajor axis = 0.3736 mas
Variability ellipse semiminor axis = 0.2876 mas
Variability ellipse position angle = 64.0 deg
Equivalent α-δ correlation = 0.20

Observed in only 6 session(s)