Paris Observatory Geodetic VLBI Center

 

Radio source coordinate time series for 1818+551 (independent mode)

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

Right ascension: 274.7920238935927°
Declination: 55.1857088809820°
No. sessions: 5
No. delays: 439
Defining: No
RMS(α cos δ) = 2.2610 mas
RMS(δ) = 3.8725 mas

Observed in only 5 session(s)


Quarterly time series for 1818+551

Data - Demeaned data

Right ascension: 274.7920232712145°
Declination: 55.1857092001665°
No. sessions: 2
No. delays: 207
Defining: No
RMS(α cos δ) = 0.0084 mas
RMS(δ) = 0.0118 mas

Observed in only 2 session(s)