Paris Observatory Geodetic VLBI Center

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

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

Right ascension: 303.9807032027054°
Declination: 65.9146274466243°
No. sessions: 5
No. delays: 553
Defining: No
RMS(α cos δ) = 0.5381 mas
RMS(δ) = 0.7356 mas
Variability ellipse semimajor axis = 0.7852 mas
Variability ellipse semiminor axis = 0.4628 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 (2026a, 4 global solutions)

Data

Right ascension: 303.9807029296316°
Declination: 65.9146274613733°
No. sessions: 5
No. delays: 553
Defining: No
RMS(α cos δ) = 0.1658 mas
RMS(δ) = 0.0774 mas
Variability ellipse semimajor axis = 0.1702 mas
Variability ellipse semiminor axis = 0.0672 mas
Variability ellipse position angle = 75.7 deg
Equivalent α-δ correlation = 0.45

Observed in only 5 session(s)