Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1641+074 (2026b, independent mode)

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

Right ascension: 251.0680406100627°
Declination: 7.3427109023881°
No. sessions: 9
No. delays: 706
Defining: No
RMS(α cos δ) = 0.3238 mas
RMS(δ) = 0.5206 mas
Variability ellipse semimajor axis = 0.5272 mas
Variability ellipse semiminor axis = 0.3131 mas
Variability ellipse position angle = 11.2 deg
Equivalent α-δ correlation = 0.20

Observed in only 9 session(s)

Quarterly time series for 1641+074 (2026b, 4 global solutions)

Data

Right ascension: 251.0680406283011°
Declination: 7.3427107053660°
No. sessions: 9
No. delays: 706
Defining: No
RMS(α cos δ) = 0.1036 mas
RMS(δ) = 0.1562 mas
Variability ellipse semimajor axis = 0.1666 mas
Variability ellipse semiminor axis = 0.0858 mas
Variability ellipse position angle = -23.9 deg
Equivalent α-δ correlation = -0.47

Observed in only 9 session(s)