question on 10-Feb-2010 13:03:42 GMT about 6dFGS gJ231822.1-422140
The magnitude B is wrong.
Actually, Simbad has many objets with a Bmag equals to 0.0, whereas it should be set to null.
See here for a complete list (http://simbad.u-strasbg.fr/simbad/sim-sam?Criteria=%20Bmag%3c0.0001%20%26%20Bmag%3e-0.0001&submit=submit%20query&maxObject=10000&OutputMode=LIST).
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