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Radio source coordinate time series

 

 

2357-318

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

Right ascension: 359.8978814798843°
Declination: -31.5621740470372°
No. sessions: 133
No. delays: 2743
Defining: Yes
RMS(α cos δ) = 1.8039 mas
RMS(δ) = 9.3034 mas
Cleaned No. sessions: 87
Cleaned RMS(α cos δ) = 0.6640 mas
Cleaned RMS(δ) = 1.1536 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.