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Radio source coordinate time series

 

 

1947+079

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

Right ascension: 297.5230830598223°
Declination: 8.1205501627441°
No. sessions: 38
No. delays: 467
Defining: No
RMS(α cos δ) = 1.4914 mas
RMS(δ) = 2.6632 mas
Cleaned No. sessions: 24
Cleaned RMS(α cos δ) = 1.2006 mas
Cleaned RMS(δ) = 1.4815 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.