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Radio source coordinate time series

 

 

2201+315

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

Right ascension: 330.8123990745670°
Declination: 31.7606305460803°
No. sessions: 959
No. delays: 28568
Defining: No
RMS(α cos δ) = 4.3843 mas
RMS(δ) = 4.7526 mas
Cleaned No. sessions: 865
Cleaned RMS(α cos δ) = 0.2909 mas
Cleaned RMS(δ) = 0.4590 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.