[vsnet-chat 5827] Re: ResSkySurvey and PIXY

[Taichi Kato <tkato@kusastro.kyoto-u.ac.jp>]

Re: [vsnet-chat 5824] Re: ResSkySurvey and PIXY

> In the era of using the old version of the PIXY System, the note
> "blending" was attached in the case when a detected star is identified
> with two or more catalog data. You can see the examples in my posts to
> vsnet-obs several years ago (which means I did not reject them).

   This is not the case.  The present problem is that PIXY has no way to
avoid reporting unresolved components of close double stars.  These stars
appear single on most catalogs, such as USNO or GSC, and will not be
flagged as blended.  You can easily imagine a situation that PIXY always
reports -1.x mag for Sirius B, when Sirius B is incoporated into a variable
star catalog.

Regards,
Taichi Kato

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