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Radio source coordinate time series

 

 

0808+019

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

Right ascension: 122.8612804576188°
Declination: 1.7811722622567°
No. sessions: 518
No. delays: 19236
Defining: Yes
RMS(α cos δ) = 0.2874 mas
RMS(δ) = 0.2257 mas
Cleaned No. sessions: 465
Cleaned RMS(α cos δ) = 0.1679 mas
Cleaned RMS(δ) = 0.1842 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.