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Radio source coordinate time series

 

 

0800+618

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

Right ascension: 121.3257484075013°
Declination: 61.7399168195676°
No. sessions: 335
No. delays: 34360
Defining: Yes
RMS(α cos δ) = 4.1831 mas
RMS(δ) = 0.5071 mas
Cleaned No. sessions: 229
Cleaned RMS(α cos δ) = 0.2084 mas
Cleaned RMS(δ) = 0.2718 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.