ivsopar.obspm.fr

Radio source coordinate time series

 

 

1243-072

Data
SIMBAD - NED - LQAC
MOJAVE - Astrogeo - BVID
Aladin - SDSS

Right ascension: 191.5176337693690°
Declination: -7.5129374893056°
No. sessions: 238
No. delays: 4998
Defining: Yes
RMS(α cos δ) = 0.3326 mas
RMS(δ) = 0.2661 mas
Cleaned No. sessions: 219
Cleaned RMS(α cos δ) = 0.2464 mas
Cleaned RMS(δ) = 0.2291 mas

Note: Cleaning is a simple outlier elimination algorithm to remove bad sessions. Points whose distance to the mean scaled by the error is larger than 3 are iteratively deleted. The cleaned rms are provided as is and should be taken with some care, especially if the number of sessions is small.