spectro-aras.com • 34 Boo - HIP 71995

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34 Boo - HIP 71995

Posted: Mon Sep 10, 2012 9:15 pm

by Marco Leonardi

Hi All,
I am wondering about the spectra of this star : 34 Boo I just got tonight with the Star Anlayzer, there are many bands, this the spectra

: spedtra34boo_20120910.jpg (2.74 KiB) Viewed 4074 times

this the profle, dispersion is 17 Angstroms/pixel:

in Simbad it is classified as a semi regular pulsating star and spectral type M3III D.

Thanks and Kind Regards,
Ciao !
Marco

Re: 34 Boo - HIP 71995

Posted: Wed Sep 12, 2012 5:42 am

by Francois Teyssier

Hi Marco,
This is correct . The bands are TiO (Titanium oxyde) absorption bands, typical for a late type star.
See for instance : http://www.astronomie-amateur.fr/Projet ... %20hb.html
Best regards
François

Re: 34 Boo - HIP 71995

Posted: Wed Sep 12, 2012 7:26 pm

by Marco Leonardi

Many Thanks François !
Ciao,
Marco