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BE-STARS  July 2010

BE-STARS July 2010

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Subject:

Re: delta Sco

From:

Olivier Thizy <[log in to unmask]>

Reply-To:

Theorists and observers of the Be star community <[log in to unmask]>

Date:

Sat, 10 Jul 2010 08:38:12 +0200

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Sebastián,


You can look at BeSS database. There are currently 167 spectra around 
H-alpha that you can browse using ARASBeAm front-end:
http://arasbeam.free.fr/spip.php?page=beam_spectra&etoile=1619


Otherwise, go directly to BeSS database : http://basebe.obspm.fr/

There are 430 spectra of del Sco taken by about 16 different amateurs 
and some professionals. You can look for a certain time range and 
download the spectrum.


BeSS database will be presented a week from a IAU Symposium 272: "Active 
OB stars: structure, evolution, mass loss, and critical limits" 
(http://iaus272.obspm.fr). ARASBeAm will have a poster - this is a 
front-end for amateur spectroscopists to help them identifying which Be 
star target to look for.

In parallel, some discussion & talks are scheduled around del Sco at 
this symposium... it already looks promising!


Cordialement,

Olivier Thizy
Shelyak Instruments
Address: Les Roussets, 38420 Revel, France
Phone: +33.(0)4.76.41.36.81
Mobile: +33.(0)6.89.92.74.23
Web: http://www.shelyak.com
...vous ne verrez plus les étoiles comme avant !



Sebastián Otero a écrit :
> Ernst et al.,
> Interesting to see discussion on delta Sco.
> The brightness development is getting pretty interesting, the star is 
> brightening steadily as periastron approachs.
> Are there spectra taken around March when the star was still at 
> minimum (V= 2.1-2.2) to compare them with the bunch of recent ones, 
> taken when the star is at V= 1.8?
>
> Check the updated light curve here:
> http://varsao.com.ar/delta_Sco.htm
>
> Best wishes,
> Sebastian.
>

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