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Radio source coordinate time series

 

 

0237-027

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

Right ascension: 39.9394677764803°
Declination: -2.5780316958392°
No. sessions: 355
No. delays: 9355
Defining: Yes
RMS(α cos δ) = 1.5199 mas
RMS(δ) = 5.5200 mas
Cleaned No. sessions: 292
Cleaned RMS(α cos δ) = 0.3161 mas
Cleaned RMS(δ) = 0.4713 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.