BD+62 11 activity

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Paolo Berardi
Posts: 578
Joined: Thu Sep 29, 2011 10:51 pm

BD+62 11 activity

Post by Paolo Berardi »

Hi all, during a Be star survey, Umberto Sollecchia captured an h-alpha profile change for BD+62 11, from absorption to weak emission, respect to old spectra in BeSS.

Following his warning, I observe the star with Lhires III 1200 finding an effective activity (double peak with central absorption). Emission components are not strong at the time but profiles look very different respect to 2012 absorption status.

Comparison of 2012 and recent spectra in h-alpha region:

Image

Our spectra are sent to BeSS.

Paolo
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