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Radio source coordinate time series

 

 

1633-810

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

Right ascension: 250.7389398742830°
Declination: -81.1430750447564°
No. sessions: 17
No. delays: 114
Defining: Yes
RMS(α cos δ) = 0.6941 mas
RMS(δ) = 0.6819 mas
Cleaned No. sessions: 16
Cleaned RMS(α cos δ) = 0.5084 mas
Cleaned RMS(δ) = 0.7182 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.