R Aqr spectra requested by Margarita Korovska

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Francisco Campos
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Re: R Aqr spectra requested by Margarita Korovska

Post by Francisco Campos »

Hi,

here is my contribution for R Aqr. The comparison star is HD 222847 (B9 V).

I wonder what is the optimum frequency of observation: a spectrum every week? 15 jours?
_raqr_20170813_967_FPC.png
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Greetings
Fran
Francois Teyssier
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Re: R Aqr spectra requested by Margarita Korovska

Post by Francois Teyssier »

That's excellent, Fran,

The shape of the spectrum varies quickly as the pulsation period is short
A spectrum a week in the base should be a must.

François
Francois Teyssier
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Re: R Aqr spectra requested by Margarita Korovska

Post by Francois Teyssier »

Some details from Margarita Karovska about the campaign:

It will be good to get spectra similar to what you have in the CH Cyg campaign (as shown in the newsletter).
Can it be done?

The observations are currently for Oct 9, 2017 - Oct 16, 2017 (HST and Chandra).
This may change, but it seems probable that these is the window.

So, having R Aqr spectra starting in August , one per week, and more often during the observation in October, and then one per week until mid-November (December) would be really good.

When I know exactly the times of the Chandra and HST observations I'll send an alert notice


François
umberto sollecchia
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Re: R Aqr spectra requested by Margarita Korovska

Post by umberto sollecchia »

Bonsoir à tous, voici ma contribution. Umberto
raqr_20170921_961_Umberto Sollecchia.png
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Francois Teyssier
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Re: R Aqr spectra requested by Margarita Korovska

Post by Francois Teyssier »

The observing dates of R Aqr by CHANDRA/HST are known

Message from Margarita Karovska

Thank you for continuing with the spectroscopy of R Aqr.

I just got the "likely" dates for the Chandra/HST observations.

Chandra:
October 11, 2017 (Wed) Day 284
October 13, 2017 (Fri) Day 286
October 14, 2017 (Sat) Day 287




2017:284:08:00:35.809 2017:284:19:07:15.809
2017:286:14:07:20.054 2017:287:06:47:20.054
2017:287:19:02:58.582 2017:288:02:32:18.642

HST:

2017:286:07:51:19 - 286:12:05:13

Unless, it changes, it would be great (if possible) to get spectra on those days

------------------

Here are the filters in the optical that we are using, so it will be good to get good spectra around those spectral regions encompassing the lines as well (if possible):

Center[A] bandpass[A]
3360 500
3730[OII] 38
4370[OIII] 26
5007[OIII] 47
5470 710
6563Halpha 14
6730



Observations before these dates are imporrant to established the base line
Thanks a lot to all observers

ARAS database for R Aqr : http://www.astrosurf.com/aras/Aras_Data ... s/RAqr.htm

François
Olivier GARDE
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Re: R Aqr spectra requested by Margarita Korovska

Post by Olivier GARDE »

My last spectrum of P Aqr taken last just before the clouds arrive. (I have not enough exposures to have a good SNR in the blue part of the spectrum).
Here's a comparison of the evolution with my last observation the 6th august.

Image
Image
Image

And the evolution of the Fe lines between 5316 to 5341 Å.
Image

And the Balmer lines velocity
Image
LHIRES III #5, LISA, e-Shel, C14, RC400 Astrosib, AP1600
http://o.garde.free.fr/astro/Spectro1/Bienvenue.html
Francois Teyssier
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Re: R Aqr spectra requested by Margarita Korovska

Post by Francois Teyssier »

Status of the campiagn, two days before the observations HST/CHANDRA

http://www.astrosurf.com/aras/Aras_Data ... _Supp1.pdf

François Teyssier
Terry Bohlsen
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Re: R Aqr spectra requested by Margarita Korovska

Post by Terry Bohlsen »

From last night (11/10/2017) Australia time
B=11.44
V=10.07
Spectra of Ha region R=14000
raqr_20171011_503_TBohlsen.png
Terry Bohlsen
Armidale NSW
Australia
umberto sollecchia
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Re: R Aqr spectra requested by Margarita Korovska

Post by umberto sollecchia »

Bonne journée à tous, ma collaboration avec l'observation du 11-10-2017.
Umberto
raqr_20171011_861_H-alfa-Umberto Sollecchia.jpg
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Olivier GARDE
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Re: R Aqr spectra requested by Margarita Korovska

Post by Olivier GARDE »

Last observation of R Aqr last night.
All emissions lines increases like H alpha
Image
LHIRES III #5, LISA, e-Shel, C14, RC400 Astrosib, AP1600
http://o.garde.free.fr/astro/Spectro1/Bienvenue.html
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