HD181751 in emission

Show your spectra, your results ...
Locked
Robin Leadbeater
Posts: 1952
Joined: Mon Sep 26, 2011 4:41 pm
Contact:
Contact Robin Leadbeater

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 4455 times
LHIRES III #29 ATIK314 ALPY 600/200 ATIK428 Star Analyser 100/200 C11 EQ6
http://www.threehillsobservatory.co.uk
Top
Francois Teyssier
Posts: 1545
Joined: Fri Sep 23, 2011 1:01 pm
Location: Rouen
Contact:
Contact Francois Teyssier

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 4445 times
LISA R = 1200

François
Top
Christian Buil
Posts: 1432
Joined: Mon Sep 26, 2011 6:59 pm
Contact:
Contact Christian Buil

Re: HD181751 in emission

Post by Christian Buil »

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

Image

Christian
Top
Thierry Garrel
Posts: 193
Joined: Mon Sep 26, 2011 2:52 pm
Location: Montpellier
Contact:
Contact Thierry Garrel

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
Top
Locked

Return to “Spectra, results, information on activity ...”