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Re: Eruption of recurrent nova V3890 Sgr

PostPosted: Mon Sep 16, 2019 10:42 pm
by umberto sollecchia
Bonsoir, voici le profil de l'observation de ce soir 16-09-2019.
Umberto

v3890sgr_20190916_762_U. Sollecchia.png
v3890sgr_20190916_762_U. Sollecchia.png (26.46 KiB) Viewed 2969 times

Re: Eruption of recurrent nova V3890 Sgr

PostPosted: Sat Sep 21, 2019 9:57 am
by Hamish Barker
Nice spectrum Umberto! What instrument are you using?

What are the minor emission lines?

Re: Eruption of recurrent nova V3890 Sgr

PostPosted: Wed Sep 25, 2019 4:19 am
by Francois Teyssier
Lines identified in a spectrum obtained +18 days after maximum during 1990 outburst
http://articles.adsabs.harvard.edu/pdf/1994MNRAS.269..105A

V3890Sgr_Lines.PNG
V3890Sgr_Lines.PNG (150.11 KiB) Viewed 2834 times


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Re: Eruption of recurrent nova V3890 Sgr

PostPosted: Wed Sep 25, 2019 4:23 am
by Francois Teyssier
Recent evolution

V3890Sgr.png
V3890Sgr.png (110.78 KiB) Viewed 2834 times

Re: Eruption of recurrent nova V3890 Sgr

PostPosted: Wed Sep 25, 2019 3:52 pm
by umberto sollecchia
Bonjour Ahmsh, merci beaucoup, j'ai utilisé le LhiresIII avec une grille de 600l / mm. et un C9.25 ".
Merci François pour la liste des lignes d'identification.
J'attache le profil d'observation du 24/09/2019, même configuration, la nova était de magnitude 13.
Salut.
Umberto

v3890sgr_20190924_750_U. Sollecchia.png
v3890sgr_20190924_750_U. Sollecchia.png (29.04 KiB) Viewed 2801 times

Re: Eruption of recurrent nova V3890 Sgr

PostPosted: Thu Sep 26, 2019 5:23 pm
by Francois Teyssier
H alpha line from spectra obtained by Umberto at reolsution 5000 to 2000
log(Intensity) shifted by +1 for each spectrum

v3890 sgr_Ha.png
v3890 sgr_Ha.png (47.09 KiB) Viewed 2766 times

Re: Eruption of recurrent nova V3890 Sgr

PostPosted: Wed Oct 02, 2019 4:59 pm
by umberto sollecchia
Bonsoir à tous, voici les profils de mes dernières observations de cette nova récurrente.
Umberto

v3890sgr_20190926_752_U.Sollecchia.png
v3890sgr_20190926_752_U.Sollecchia.png (29.43 KiB) Viewed 2639 times


v3890sgr_20190927_756_U. Sollecchia.png
v3890sgr_20190927_756_U. Sollecchia.png (30.79 KiB) Viewed 2639 times


v3890sgr_20190929_742_U. Sollecchia.png
v3890sgr_20190929_742_U. Sollecchia.png (35.12 KiB) Viewed 2639 times


v3890sgr_20190930_739_U.Sollecchia.png
v3890sgr_20190930_739_U.Sollecchia.png (32.26 KiB) Viewed 2639 times