[radioastro] Re: CME and the galactic background

  • From: Victor Herrero <hubbleed@xxxxxxxxx>
  • To: Radio JOVE NASA GSFC <radiojove@xxxxxxxxxxxxxxxxxxxxxx>
  • Date: Thu, 5 Aug 2010 15:25:36 -0700

I attach a chart of Reeve Observatory data stream on 100805 near 2220 UT.

Victor


On Thu, Aug 5, 2010 at 3:13 PM, Richard Flagg <rf@xxxxxxxxxxxxx> wrote:

>  Victor has sent out a segment of the WCCRO data stream for observers
> interested in the effects of the recent CME on background temperature.  If
> Victor had checked with me before sending out this data I would have told
> him that the observatory was experiencing significant local interference
> which raised the galactic background to a high temperature.
> Please disregard this data in any analysis of the background temperature
> due to CME effects
> Richard
>
> ----- Original Message -----
> *From:* Victor Herrero <hubbleed@xxxxxxxxx>
> *To:* Radio JOVE NASA GSFC <radiojove@xxxxxxxxxxxxxxxxxxxxxx>
> *Sent:* Thursday, August 05, 2010 11:43 AM
> *Subject:* CME and the galactic background
>
> CME and the galactic background
>
> Hi Dave, and All,
>
> For comparison, I attach charts I recorded on 100805 near 2115 and 2130 UT,
> from the AJ4CO and WCCRO Observatories data streams.
>
> Victor
>
> ------------------------
>
> Hello all,
>
> Is anyone else seeing a dramatic decrease in galactic background today?
>
> My daytime chart background is running about 2 dB cooler today than it has
> been
> (19 kK vs 32 kK). I even went out and checked all the connections;
> apparently
> the decrease is real.
>
> I know a CME impact will affect the magnetosphere, but does it do a good
> number
> on the ionosphere as well? I thought only UV and above did that, not solar
> particles.
>
> What's going on here?
> --
> Dave Typinski
> AJ4CO Observatory
>
>

Attachment: Reeve_Observatory_100805_2208.jpg
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