Sitting Targets (Mar 22 2011)


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Message boards : Technical News : Sitting Targets (Mar 22 2011)

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N9JFE David SProject donor
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Message 1090285 - Posted: 25 Mar 2011, 14:28:08 UTC - in response to Message 1089429.

Why is the upload server down? I didn't see that anywhere on here. My machine has been sitting on its last 6 WUs all week and started working on Einstein again.

David
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Waiting for a message from a small furry creature from Alpha Centauri.


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Message 1090291 - Posted: 25 Mar 2011, 14:31:55 UTC - in response to Message 1090285.

Why is the upload server down? I didn't see that anywhere on here. My machine has been sitting on its last 6 WUs all week and started working on Einstein again.

David


It's been down for several hours now, at least 8 or more.

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Message 1090348 - Posted: 25 Mar 2011, 17:00:30 UTC

Fixed now... probably when the SETI crew got into the lab...
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Message 1090561 - Posted: 26 Mar 2011, 6:41:42 UTC - in response to Message 1090348.

Has the stars Sirius and its dim companion ever been seached in that portion of space.

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Message 1090564 - Posted: 26 Mar 2011, 6:53:29 UTC - in response to Message 1090561.

Good question. I don't know if there is a list somewhere of just where the Search has looked. Other than looking at the Science Status page and seeing if by chance the current telescope RA and DEC position match Sirius, it would hard to know based on the data exposed to the public as far as I can tell. Sirius B is just now opening up enough separation to be visible again in large telescopes. I've caught it once in a big scope under excellent conditions many years ago.

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Message 1090655 - Posted: 26 Mar 2011, 18:47:36 UTC
Last modified: 26 Mar 2011, 18:48:44 UTC

However, on a long shot Jeff suggested I reseat all the drives (most of which have been mounted in the system since we first got it roughly 8 years ago).


I think this is the equivalent of "Have you tried a bigger hammer?" However, it may solve the problem. The wiping action on the connection fingers can do wonders for those "bits" than haven't been moved for a long time.

Thanks to you guys for all your efforts to keep SETI up an running.[/i]
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Message 1090658 - Posted: 26 Mar 2011, 18:55:53 UTC - in response to Message 1090655.
Last modified: 26 Mar 2011, 18:57:47 UTC

However, on a long shot Jeff suggested I reseat all the drives (most of which have been mounted in the system since we first got it roughly 8 years ago).


I think this is the equivalent of "Have you tried a bigger hammer?" However, it may solve the problem. The wiping action on the connection fingers can do wonders for those "bits" than haven't been moved for a long time.

Thanks to you guys for all your efforts to keep SETI up an running.[/i]


Actually it's the equivalent of the "pick it up a couple o' inches and drop it" or "Gravity re-seat" which we sometimes used on CRT terminals back when I was running big iron... (the shock would re-seat the cards in the terminal... and this worked suprisingly often, particularly on terminals in non-office environments...)
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Message 1090674 - Posted: 26 Mar 2011, 19:35:23 UTC - in response to Message 1090564.
Last modified: 26 Mar 2011, 19:38:29 UTC

[…] I don't know if there is a list somewhere of just where the Search has looked.

Not in detail AFAIK, but since Arecibo can only ‘look’ within a radius of about 20° from its zenith, the declination range it can cover is limited, as shown in grey in the skymap at Where in the sky?

Other than looking at the Science Status page and seeing if by chance the current telescope RA and DEC position match Sirius, it would hard to know based on the data exposed to the public as far as I can tell.

Since Sirius (α CMa) is at Dec. –16°43', it’s some 15° too far south for Arecibo to ‘see’.
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