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Radio source coordinate time series

 

 

1430-178

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

Right ascension: 218.2403775002323°
Declination: -18.0264581768509°
No. sessions: 19
No. delays: 284
Defining: No
RMS(α cos δ) = 1.6139 mas
RMS(δ) = 2.0299 mas
Cleaned No. sessions: 17
Cleaned RMS(α cos δ) = 0.4332 mas
Cleaned RMS(δ) = 0.6219 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.