Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 0638+182 (2026b, independent mode)

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

Right ascension: 100.2976284268859°
Declination: 18.2205177200467°
No. sessions: 5
No. delays: 389
Defining: No
RMS(α cos δ) = 0.2600 mas
RMS(δ) = 0.7299 mas
Variability ellipse semimajor axis = 0.7542 mas
Variability ellipse semiminor axis = 0.1776 mas
Variability ellipse position angle = -15.0 deg
Equivalent α-δ correlation = -0.71

Observed in only 5 session(s)

Quarterly time series for 0638+182 (2026b, 4 global solutions)

Data

Right ascension: 100.2976284320778°
Declination: 18.2205177673144°
No. sessions: 5
No. delays: 389
Defining: No
RMS(α cos δ) = 0.0887 mas
RMS(δ) = 0.2501 mas
Variability ellipse semimajor axis = 0.2508 mas
Variability ellipse semiminor axis = 0.0864 mas
Variability ellipse position angle = 4.8 deg
Equivalent α-δ correlation = 0.21

Observed in only 5 session(s)