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Radio source coordinate time series

 

 

1504+377

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

Right ascension: 226.5397080059766°
Declination: 37.5142027938727°
No. sessions: 120
No. delays: 4013
Defining: Yes
RMS(α cos δ) = 3.4601 mas
RMS(δ) = 10.8136 mas
Cleaned No. sessions: 47
Cleaned RMS(α cos δ) = 0.5768 mas
Cleaned RMS(δ) = 0.9896 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.