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Radio source coordinate time series

 

 

1124-186

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

Right ascension: 171.7683018667836°
Declination: -18.9548449966466°
No. sessions: 1764
No. delays: 64580
Defining: Yes
RMS(α cos δ) = 1.1310 mas
RMS(δ) = 2.4131 mas
Cleaned No. sessions: 1525
Cleaned RMS(α cos δ) = 0.2930 mas
Cleaned RMS(δ) = 0.4370 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.