Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1025+187 (2026b, independent mode)

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

Right ascension: 156.9376458648348°
Declination: 18.5274244978202°
No. sessions: 6
No. delays: 327
Defining: No
RMS(α cos δ) = 22.4219 mas
RMS(δ) = 12.1313 mas
Variability ellipse semimajor axis = 26.4246 mas
Variability ellipse semiminor axis = 6.9535 mas
Variability ellipse position angle = -59.2 deg
Equivalent α-δ correlation = -1.21

Observed in only 6 session(s)

Quarterly time series for 1025+187 (2026b, 4 global solutions)

Data

Right ascension: 156.9376439018667°
Declination: 18.5274257195302°
No. sessions: 6
No. delays: 327
Defining: No
RMS(α cos δ) = 0.1786 mas
RMS(δ) = 0.4495 mas
Variability ellipse semimajor axis = 0.4544 mas
Variability ellipse semiminor axis = 0.1656 mas
Variability ellipse position angle = 9.0 deg
Equivalent α-δ correlation = 0.35

Observed in only 6 session(s)