Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1518+170 (2026b, independent mode)

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

Right ascension: 230.3189689111083°
Declination: 16.9008231356139°
No. sessions: 5
No. delays: 317
Defining: No
RMS(α cos δ) = 0.5624 mas
RMS(δ) = 1.2122 mas
Variability ellipse semimajor axis = 1.3231 mas
Variability ellipse semiminor axis = 0.1877 mas
Variability ellipse position angle = -23.8 deg
Equivalent α-δ correlation = -0.93

Observed in only 5 session(s)

Quarterly time series for 1518+170 (2026b, 4 global solutions)

Data

Right ascension: 230.3189690157064°
Declination: 16.9008231174162°
No. sessions: 5
No. delays: 317
Defining: No
RMS(α cos δ) = 0.1800 mas
RMS(δ) = 0.3575 mas
Variability ellipse semimajor axis = 0.3638 mas
Variability ellipse semiminor axis = 0.1668 mas
Variability ellipse position angle = -12.0 deg
Equivalent α-δ correlation = -0.33

Observed in only 5 session(s)