ivsopar.obspm.fr

Radio source coordinate time series

 

 

1451-375

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

Right ascension: 223.6142073004315°
Declination: -37.7925401922518°
No. sessions: 274
No. delays: 4993
Defining: No
RMS(α cos δ) = 1.7123 mas
RMS(δ) = 4.3358 mas
Cleaned No. sessions: 227
Cleaned RMS(α cos δ) = 0.4915 mas
Cleaned RMS(δ) = 0.7142 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.