Search found 1563 matches

by Francois Teyssier
Sat Jul 16, 2022 3:32 pm
Forum: Spectra, results, information on activity ...
Topic: Spectropolarimetry experience with a small refracor
Replies: 2
Views: 4468

Re: Spectropolarimetry experience with a small refracor

Remarquable!
Trés intéressant sujet qui ouvre de nouvelles perpectives, excellents résultats, belle page web, intructive et bien documentée.
Merci

François Teyssier
by Francois Teyssier
Sat Jul 16, 2022 3:21 pm
Forum: Symbiotic Stars
Topic: The case StHA 154
Replies: 3
Views: 3885

The case StHA 154

Our colleague Keith Shank got a spectrum of StHA 154 and put the finger on an interesting behavior. StHA 154 = 2MASS J18432793+1930053 in SIMBAD is a poorly studied symbiotic star with 4 references in Simbad. Keith obtained a spectrum of a red giant, spectral type M7-8 (from TiO1 index) with no emis...
by Francois Teyssier
Fri Jul 15, 2022 3:31 pm
Forum: What are you observing tonight ?
Topic: essai
Replies: 0
Views: 5242

essai

TCrB_forecast.png
TCrB_forecast.png (3.32 KiB) Viewed 5242 times
TCrB_B_1946_Now.PNG
TCrB_B_1946_Now.PNG (28.4 KiB) Viewed 5206 times
by Francois Teyssier
Tue Jun 14, 2022 8:13 pm
Forum: Novae
Topic: Recurrent nova U Sco in eruption
Replies: 30
Views: 11391

Re: Recurrent nova U Sco in eruption

Congratulations. Great results. After two days issues (initially due to a bad header :x ) the asdb is updated: https://aras-database.github.io/database/usco.html Please check for the sumitted spectra. Perhaps I missed some of them. Sorry for the inconvenience. François PS: do not forget the very imp...
by Francois Teyssier
Tue Jun 14, 2022 8:00 pm
Forum: Novae
Topic: possible galactic nova asassn-22hw
Replies: 10
Views: 4437

Re: possible galactic nova asassn-22hw

Excellent!

Page opened: https://aras-database.github.io/databas ... s2022.html
Sorry for the delay



Hamish: for work on the spectra, I wouls suggest PlotSpectra (Tim Lester)
by Francois Teyssier
Thu Jun 09, 2022 2:16 pm
Forum: Novae
Topic: Recurrent nova U Sco in eruption
Replies: 30
Views: 11391

Re: Recurrent nova U Sco in eruption

The database is updated:
https://aras-database.github.io/database/usco.html

Sorry for the delay - I'm on holidays in a pure "white zone"

François

Olivier: j'ai bien reçu ton deuxième envoi.
by Francois Teyssier
Thu Jun 09, 2022 2:10 pm
Forum: Astrophysics, Theory, Publications ...
Topic: Publication: nova V392 Per
Replies: 0
Views: 1107

Publication: nova V392 Per

A new publication using asdb spectra V392 Persei: a \gamma-ray bright nova eruption from a known dwarf nova https://ui.adsabs.harvard.edu/abs/2022arXiv220603443M/abstract with several members associated as co-authors Thanks to all for this new valuable contribution. And please remember: reactivity, ...
by Francois Teyssier
Mon Jun 06, 2022 8:08 pm
Forum: Novae
Topic: Recurrent nova U Sco in eruption
Replies: 30
Views: 11391

Recurrent nova U Sco in eruption

U Sco is signaled in nova eruption
The novae events of U Sco are very fast.
Thus monitoring on several hours during the night will be very usefull,
to be followed bu our colleagues in America and Australia.
Spectra of the event welcome on the database !
by Francois Teyssier
Thu Jun 02, 2022 8:12 am
Forum: General Topics, Annoucements, Forum Life
Topic: EAS Meeting Valencia June 2022
Replies: 2
Views: 3455

EAS Meeting Valencia June 2022

I am pleased to announce that I will give a talk during the annual meeting of European Astronomical Society (EAS) in Valencia (SP) late june https://eas.unige.ch/EAS2022/ Aras Eruptive Stars Spectroscopy Presenter ePoster RS Oph Optical spectroscopic development during 2021 outburst: Evolution of th...
by Francois Teyssier
Tue Apr 19, 2022 11:49 am
Forum: Novae
Topic: Symbiotic recurrent nova RS Oph in ourburst !!!
Replies: 112
Views: 151912

Re: Symbiotic recurrent nova RS Oph in ourburst !!!

Thank you Christophe.

To my knowledge, at least two other papers using our spectra are under publication process.

François