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Radio source coordinate time series

 

 

1504+377

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

Right ascension: 226.5397083451114°
Declination: 37.5142034145531°
No. sessions: 127
No. delays: 4516
Defining: Yes
RMS(α cos δ) = 4.6967 mas
RMS(δ) = 0.6348 mas
Cleaned No. sessions: 94
Cleaned RMS(α cos δ) = 0.1967 mas
Cleaned RMS(δ) = 0.2792 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.