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Radio source coordinate time series

 

 

0839+187

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

Right ascension: 130.5212256869172°
Declination: 18.5947195842370°
No. sessions: 44
No. delays: 1207
Defining: No
RMS(α cos δ) = 0.4930 mas
RMS(δ) = 0.6794 mas
Cleaned No. sessions: 36
Cleaned RMS(α cos δ) = 0.2048 mas
Cleaned RMS(δ) = 0.5780 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.