ivsopar.obspm.fr

Radio source coordinate time series

 

 

2215+020

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

Observed in only 9 session(s)

Right ascension: 334.4509916594770°
Declination: 2.3363085981625°
No. sessions: 9
No. delays: 326
Defining: No
RMS(α cos δ) = 3.0967 mas
RMS(δ) = 5.4429 mas
Cleaned No. sessions: 5
Cleaned RMS(α cos δ) = 1.0215 mas
Cleaned RMS(δ) = 3.1198 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.