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: 187.5587058487634°
Declination: 25.3019824573550°
No. sessions: 21
No. delays: 1134
Defining: Yes
RMS(α cos δ) = 1.0827 mas
RMS(δ) = 1.3717 mas

Observed in only 21 session(s)


Quarterly time series for 1227+255

Data - Demeaned data

Right ascension: 187.5587056307980°
Declination: 25.3019822959351°
No. sessions: 15
No. delays: 943
Defining: Yes
RMS(α cos δ) = 0.2055 mas
RMS(δ) = 0.2089 mas

Observed in only 15 session(s)