Paris Observatory Geodetic VLBI Center

 

Radio source coordinate time series for 1227+255 (independent mode)

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

Right ascension: 187.5587058419280°
Declination: 25.3019824637119°
No. sessions: 22
No. delays: 1128
Defining: Yes
RMS(α cos δ) = 1.0861 mas
RMS(δ) = 1.4292 mas

Observed in only 22 session(s)


Quarterly time series for 1227+255

Data - Demeaned data

Right ascension: 187.5587056250538°
Declination: 25.3019822711942°
No. sessions: 15
No. delays: 620
Defining: Yes
RMS(α cos δ) = 0.2682 mas
RMS(δ) = 0.2621 mas

Observed in only 15 session(s)