HD181751 in emission

Robin Leadbeater
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Re: HD181751 in emission

Post by Robin Leadbeater »

The fully calibrated H alpha line from last night
LHIRES 2400 4x 600sec R~16000 SNR ~60

Robin
Attachments
_hd181751_ha_respcor_telrem_helcor_20140922_801_Leadbeater.png
_hd181751_ha_respcor_telrem_helcor_20140922_801_Leadbeater.png (5.95 KiB) Viewed 4530 times
LHIRES III #29 ATIK314 ALPY 600/200 ATIK428 Star Analyser 100/200 C11 EQ6
http://www.threehillsobservatory.co.uk
Francois Teyssier
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Re: HD181751 in emission

Post by Francois Teyssier »

A spectrum of Andrew's Star (HD 181751)
_hd181751_20140926_849_fteyssier.png
_hd181751_20140926_849_fteyssier.png (5.86 KiB) Viewed 4520 times
LISA R = 1200

François
Christian Buil
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Re: HD181751 in emission

Post by Christian Buil »

HD181751 observed at R=50000 with VHIRES-MO + C11 (8x600 sec exposure):

Image

Christian
Thierry Garrel
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Re: HD181751 in emission

Post by Thierry Garrel »

There is also a weak emission in HeI5876 and HeI6678. No forbidens lines and very weak FeII absorption lines. Could be a good Be candidate.
Attached here is h beta,
Attachments
HD181751_hbeta.jpg
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