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Radio source coordinate time series

 

 

1308+326

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

Right ascension: 197.6194326968336°
Declination: 32.3454952041055°
No. sessions: 2351
No. delays: 113635
Defining: No
RMS(α cos δ) = 0.2057 mas
RMS(δ) = 0.2248 mas
Cleaned No. sessions: 2149
Cleaned RMS(α cos δ) = 0.1757 mas
Cleaned RMS(δ) = 0.2104 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.