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Radio source coordinate time series

 

 

0827+243

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

Right ascension: 127.7170245143345°
Declination: 24.1832833556488°
No. sessions: 221
No. delays: 10290
Defining: Yes
RMS(α cos δ) = 52.3896 mas
RMS(δ) = 2.1023 mas
Cleaned No. sessions: 23
Cleaned RMS(α cos δ) = 1.3578 mas
Cleaned RMS(δ) = 2.2084 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.