Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 2015+657 (2026b, independent mode)

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

Right ascension: 303.9807032011095°
Declination: 65.9146274471889°
No. sessions: 5
No. delays: 553
Defining: No
RMS(α cos δ) = 0.5387 mas
RMS(δ) = 0.7353 mas
Variability ellipse semimajor axis = 0.7850 mas
Variability ellipse semiminor axis = 0.4634 mas
Variability ellipse position angle = -25.6 deg
Equivalent α-δ correlation = -0.40

Observed in only 5 session(s)

Quarterly time series for 2015+657 (2026b, 4 global solutions)

Data

Right ascension: 303.9807029305049°
Declination: 65.9146274650625°
No. sessions: 5
No. delays: 553
Defining: No
RMS(α cos δ) = 0.1818 mas
RMS(δ) = 0.0753 mas
Variability ellipse semimajor axis = 0.1829 mas
Variability ellipse semiminor axis = 0.0727 mas
Variability ellipse position angle = 83.2 deg
Equivalent α-δ correlation = 0.24

Observed in only 5 session(s)