Stan: I took the average of all the pixels in the two darks (The calculation was done using Teleauto but other programs can probably do the same) Patrick: ...
12735
Stan Gorodenski
stanlep@...
May 27, 2012 8:51 pm
Okay. I think one could even copy a dark into EXCEL using VSPEC and do the computations that way. I could also write out a text file in CCDOPS, read it into...
12736
Stan Gorodenski
stanlep@...
May 27, 2012 9:52 pm
Thinking about the ability to analyze spectra in SPSS, I wonder if this could be done. For each temperature select one dark that will be the 'standard'. Then,...
12737
Stan Gorodenski
stanlep@...
May 28, 2012 6:24 am
I guess no one wants to embarrass me by pointing out the fault in my suggestion. One could come up with a 'standard' dark frame that other dark frames are...
12738
bmauclaire@...
May 28, 2012 8:56 am
Hello Christian, This answer doesn't tell us why internal Neon can't lead to a well formed calibration, even if blue Argon liens are used (assumed that they...
12739
Stan Gorodenski
stanlep@...
May 28, 2012 7:51 pm
Here is a plot of the average ADU of dark frames against the camera temperature. The 3rd order polynomial curve is not intended to imply this is the...
12740
Stan Gorodenski
stanlep@...
May 28, 2012 7:54 pm
p.s., I forgot to mention they all had the same integration time, 10 minutes....
12741
Stan Gorodenski
stanlep@...
May 28, 2012 8:06 pm
Another p.s. It occurred to me some of the variability might be caused by the way CCDOPS records the camera temperature in the master dark frame. I am using...
12742
Ernst Pollmann
ernst-pollmann@...
May 29, 2012 10:53 am
delta Sco up-to-date: May 2012 1) Continuation of the H?-EW monitoring 2) Continuation of the H?-radial velocity monitoring 3) Disk growth leads to decrease of...
/PS: message in french but I'll try to translate shortly in english for all to read... in the mean time, Google translation works... :-)/ Alain, Hum... je vais...
12745
lopez alain
lopezvilla_2000
May 29, 2012 3:53 pm
Bonsoir Olivier et la liste Merci beaucoup pour la liste, c’est vrai qu’il faudrait arrêter de travailler pour en faire une bonne partie. A+ Alain De :...
12746
Coralie Neiner
coralieneiner
May 29, 2012 3:54 pm
... Pour info, nous travaillons actuellement a rajouter cette categorie d'etoiles dans la base BeSS. Vous verrez donc deja dans les pages d'interrogation de...
Hello, to answer Alain's question, I am trying to do a short compilation or what can be done in spectroscopy in terms of pro/am projects. Do not hesitate to...
12749
Jeff
hposoft
May 29, 2012 4:23 pm
Hi Olivier, You were missed at SAS. There were several papers given on spectroscopy and a lot of enthusiasm for the subject. In addition to giving my own paper...
12750
Robin Leadbeater
niborl2000
May 29, 2012 4:46 pm
... From: Olivier Thizy To: Liste Spectro-L Sent: Tuesday, May 29, 2012 5:11 PM Subject: [spectro-l] [EN] pro/am programs ? ... The Convento group are planning...
12751
patrick lailly
patrick.lailly@...
May 29, 2012 5:30 pm
Hi Stan Thanks for the plot. It confirms the dependence of the bias on the temperature. It also shows some dispersion for a given temperature. This leads to...
12752
stanlep@...
May 29, 2012 6:33 pm
... Hi Jeff, Since this is a project you will be heading, technically, should it be called a am/am program? Just joking. It was funny thinking about it. On the...
12753
Jeff
hposoft
May 29, 2012 6:58 pm
Read the message! Hopkins Phoenix Observatory (187283) Counting Photons Phoenix, Arizona USA www.hposoft.com/Astro/astro.html ...
12754
Robin Leadbeater
niborl2000
May 29, 2012 6:59 pm
... From: Olivier Thizy To: Liste Spectro-L Sent: Tuesday, May 29, 2012 5:11 PM Subject: [spectro-l] [EN] pro/am programs ? ... The Convento group are planning...
12755
stanlep@...
May 29, 2012 9:23 pm
... Hi Jeff, I read it - again - and don't see your point. What is it? Stan...
12756
Robin Leadbeater
niborl2000
May 29, 2012 10:16 pm
I think it means that Jeff has signed up at least one Pro to his mysterious project. An Am-Pro project perhaps? ;-) Cheers Robin ... From:...
12757
Tom Buchanan
darkchairman
May 30, 2012 2:44 am
Bonjour Olivier, Another possible pro/am program is taking flash spectra during total solar eclipses. Resolution of 1.0 angstrom or less would be useful. The...
12758
Robin Leadbeater
niborl2000
May 30, 2012 10:30 am
Hi Tom, What prevents a long slit spectrograph being used? I would have thought a long slit placed radially across the contact point would potentially...
12759
Robin Leadbeater
niborl2000
May 30, 2012 10:48 am
Here is an example of a slit spectrograph (DADOS) being used in 2008, though the slit was arranged tangentially in this case. ...
12760
Christian Buil
chbuil
May 30, 2012 4:49 pm
Vu tes excellents spectres de Cygnus X-1 sur le forum. Je voudrais faire un poster pour La Rochelle en fusionnant avec mes propres observations. Vois si tu...
12761
Olivier Thizy
olivier.thizy
May 30, 2012 10:51 pm
Tom, Who would be the professionals interested in such spectra and what would be the scientifical benefit of amateur observations of flash spectra? I ...
12762
Alexandros Filothodoros
alexandrosfi...
May 31, 2012 2:41 am
Hello these are two papers as s result of a pro/am coopertaion, dealing with flash spectra. http://arxiv.org/abs/0911.0325 http://arxiv.org/abs/1202.1535 I...
12763
Tom Buchanan
darkchairman
May 31, 2012 6:00 am
Hello Olivier and Robin, Dr Jay Pasachoff has been interested in the flash spectrum for over 20 years. Jay M. Pasachoff Field Memorial Professor of Astronomy ...
