Re: [APML] Table of emission lines

["bert katzung" <katzung1@home.com>]

Hi Roger:
Thanks for this information! And the line lists for major nebulae sounds
very apropos---please send them along. I'll implement it all as soon as I do
the next update.
Bert

Bert Katzung
katzung1@home.com
www.astronomy-images.com

----- Original Message -----
From: "Roger Wesson" <roger@worldtraveller.f9.co.uk>
To: <astro-photo@seds.org>
Sent: Thursday, 09 August, 2001 12:34 PM
Subject: Re: [APML] Table of emission lines


> Hi Bert,
>
> All looks okay to me numbers-wise.  As far as important bright lines go,
> all the hydrogen lines are bright and worth putting in bold, He I 5876
> is quite strong, and the [N II] lines either side of H alpha are bright
> as well.  The oxygen line at 4363 is weak (only about 2% of H beta) and
> the one at 4931 is very weak (0.01%)  The others are very strong (and
> very important in determining physical conditions in the nebula, as it
> happens)
>
> I could provide a couple of line lists for typical emission nebulae if
> you're interested.
>
> Hope that helps,
> Roger
>
>
> bert katzung wrote:
> >
> > Hi List:
> > Given the interest in colors emitted, colors perceived, and all the
> > ramifications, I thought it might be useful to put up a table of
spectral
> > lines on my website. No doubt there are similar ones elsewhere, but I
> > haven't run into them. You can find mine at
> > http://www.astronomy-images.com/EmissionLines-1.htm
> > Please let me know if you find any errors. Also, I believe there are a
> > couple of other bright lines that I don't have in bold face in the
table.
> > Nitrogen, for example. Can someone let me know which of the N lines (or
any
> > others) are of photographic interest? Conversely, I wasn't sure which of
the
> > visible OIII lines are too dim to register so I bolded them all. Which
ones
> > should go back to regular font?
> > Thanks,
> > Bert
> >
>
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