Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1827+645 (2026a, independent mode)

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

Right ascension: 277.0410738867861°
Declination: 64.5711205718637°
No. sessions: 5
No. delays: 307
Defining: No
RMS(α cos δ) = 0.5558 mas
RMS(δ) = 0.7533 mas
Variability ellipse semimajor axis = 0.7587 mas
Variability ellipse semiminor axis = 0.5483 mas
Variability ellipse position angle = -9.9 deg
Equivalent α-δ correlation = -0.11

Observed in only 5 session(s)

Quarterly time series for 1827+645 (2026a, 4 global solutions)

Data

Right ascension: 277.0410737893798°
Declination: 64.5711205016879°
No. sessions: 5
No. delays: 307
Defining: No
RMS(α cos δ) = 0.4376 mas
RMS(δ) = 0.5302 mas
Variability ellipse semimajor axis = 0.6113 mas
Variability ellipse semiminor axis = 0.3145 mas
Variability ellipse position angle = 35.4 deg
Equivalent α-δ correlation = 0.56

Observed in only 5 session(s)