I received an email notice about an hour ago about indicating a possible gamma ray burst. They're almost always faint and don't last very long but I figured I'd give it a try anyway. The notice said the satellite that detected it put it at: 11h 32m 32.68s (J2000) +27d 42' 46.4" (J2000) I was surprised to actually find something there. I've shot many a GRB field before but this was the first time I caught something. I checked the Palomar Observatory Sky Survey and it shows nothing where the mystery object is in my images. But the weird thing is this thing, whatever it is, is still there more than an hour after detection. My first image shows it at an unfiltered magnitude of 13.2. The most recent image puts it at 14.8. The fading appeared to be leveling off there for a bit but now seems to be accelerating again. If anyone else happens to be imaging at the moment I'd sure appreciate a confirmation image. Thanks, patrick
I just head from someone overseas that the "whateveritis" is still there. This is weird. GRBs and then aftermaths just don't act this way. If the clouds continue to thin I'm going to try for it again tonight and I invite others to do the same. For those who might be interested I've posted a couple of images: http://users.wirelessbeehive.com/~paw/temp/mystery/mystery01.jpg shows the light curve as generated using two different softwares http://users.wirelessbeehive.com/~paw/temp/mystery/mystery01.jpg shows the POSS image of the field on the left and one of my very hazed and mooned shots of the same FOV with the object arrowed. patrick On 27 Apr 2013, at 03:16, Patrick Wiggins wrote:
I received an email notice about an hour ago about indicating a possible gamma ray burst.
They're almost always faint and don't last very long but I figured I'd give it a try anyway.
The notice said the satellite that detected it put it at:
11h 32m 32.68s (J2000) +27d 42' 46.4" (J2000)
I was surprised to actually find something there. I've shot many a GRB field before but this was the first time I caught something.
I checked the Palomar Observatory Sky Survey and it shows nothing where the mystery object is in my images.
But the weird thing is this thing, whatever it is, is still there more than an hour after detection.
My first image shows it at an unfiltered magnitude of 13.2. The most recent image puts it at 14.8.
The fading appeared to be leveling off there for a bit but now seems to be accelerating again.
If anyone else happens to be imaging at the moment I'd sure appreciate a confirmation image.
Thanks,
patrick
Anybody report getting a spectrum yet? Maybe It's a nova or SN. We should know soon if there was a pre-event object at that location, and that will be an important clue. Of course, if it turns out to be a fleet of Pierson's Puppeteers, all bets are off. On Apr 27, 2013 8:49 PM, "Patrick Wiggins" <paw@wirelessbeehive.com> wrote:
I just head from someone overseas that the "whateveritis" is still there.
This is weird. GRBs and then aftermaths just don't act this way.
Yes. That and a whole lot of info on the object can be found on the NASA website here: http://gcn.gsfc.nasa.gov/other/130427A.gcn3 I don't understand a lot of it. :) patrick On 27 Apr 2013, at 21:15, Chuck Hards wrote:
Anybody report getting a spectrum yet? Maybe It's a nova or SN. We should know soon if there was a pre-event object at that location, and that will be an important clue.
Of course, if it turns out to be a fleet of Pierson's Puppeteers, all bets are off.
On Apr 27, 2013 8:49 PM, "Patrick Wiggins" <paw@wirelessbeehive.com> wrote:
I just head from someone overseas that the "whateveritis" is still there.
This is weird. GRBs and then aftermaths just don't act this way.
Hmm...the positional uncertainty is a pain. Interesting that even orbiting observatories can sometimes not find a decent guide star. On Apr 27, 2013 9:25 PM, "Patrick Wiggins" <paw@wirelessbeehive.com> wrote:
Yes. That and a whole lot of info on the object can be found on the NASA
website here:
http://gcn.gsfc.nasa.gov/other/130427A.gcn3
I don't understand a lot of it. :)
patrick
On 27 Apr 2013, at 21:15, Chuck Hards wrote:
Anybody report getting a spectrum yet? Maybe It's a nova or SN. We
should
know soon if there was a pre-event object at that location, and that will be an important clue.
Of course, if it turns out to be a fleet of Pierson's Puppeteers, all bets are off.
Patrick, Can you take a series of color filter views? That way you might be able to reconstruct a spectrum. Thanks, Joe ________________________________ From: Chuck Hards <chuck.hards@gmail.com> To: Utah Astronomy <utah-astronomy@mailman.xmission.com> Sent: Saturday, April 27, 2013 9:15 PM Subject: Re: [Utah-astronomy] Anyone imaging? Anybody report getting a spectrum yet? Maybe It's a nova or SN. We should know soon if there was a pre-event object at that location, and that will be an important clue. Of course, if it turns out to be a fleet of Pierson's Puppeteers, all bets are off. On Apr 27, 2013 8:49 PM, "Patrick Wiggins" <paw@wirelessbeehive.com> wrote:
I just head from someone overseas that the "whateveritis" is still there.
This is weird. GRBs and then aftermaths just don't act this way. _______________________________________________ Utah-Astronomy mailing list http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Send messages to the list to Utah-Astronomy@mailman.xmission.com The Utah-Astronomy mailing list is not affiliated with any astronomy club. To unsubscribe go to: http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Then enter your email address in the space provided and click on "Unsubscribe or edit options".
Right now the only thing I could image would be clouds. :( I could do colored filters but I'm pretty sure one would need a spectrograph to get a spectrum. patrick On 27 Apr 2013, at 21:55, Joe Bauman wrote:
Patrick, Can you take a series of color filter views? That way you might be able to reconstruct a spectrum. Thanks, Joe
________________________________ From: Chuck Hards <chuck.hards@gmail.com> To: Utah Astronomy <utah-astronomy@mailman.xmission.com> Sent: Saturday, April 27, 2013 9:15 PM Subject: Re: [Utah-astronomy] Anyone imaging?
Anybody report getting a spectrum yet? Maybe It's a nova or SN. We should know soon if there was a pre-event object at that location, and that will be an important clue.
Of course, if it turns out to be a fleet of Pierson's Puppeteers, all bets are off.
On Apr 27, 2013 8:49 PM, "Patrick Wiggins" <paw@wirelessbeehive.com> wrote:
I just head from someone overseas that the "whateveritis" is still there.
This is weird. GRBs and then aftermaths just don't act this way.
Well, it might tell something if we knew the precise color of the object. -- Joe ________________________________ From: Patrick Wiggins <paw@wirelessbeehive.com> To: Utah Astronomy <utah-astronomy@mailman.xmission.com> Sent: Saturday, April 27, 2013 9:59 PM Subject: Re: [Utah-astronomy] Anyone imaging? Right now the only thing I could image would be clouds. :( I could do colored filters but I'm pretty sure one would need a spectrograph to get a spectrum. patrick On 27 Apr 2013, at 21:55, Joe Bauman wrote:
Patrick, Can you take a series of color filter views? That way you might be able to reconstruct a spectrum. Thanks, Joe
________________________________ From: Chuck Hards <chuck.hards@gmail.com> To: Utah Astronomy <utah-astronomy@mailman.xmission.com> Sent: Saturday, April 27, 2013 9:15 PM Subject: Re: [Utah-astronomy] Anyone imaging?
Anybody report getting a spectrum yet? Maybe It's a nova or SN. We should know soon if there was a pre-event object at that location, and that will be an important clue.
Of course, if it turns out to be a fleet of Pierson's Puppeteers, all bets are off.
On Apr 27, 2013 8:49 PM, "Patrick Wiggins" <paw@wirelessbeehive.com> wrote:
I just head from someone overseas that the "whateveritis" is still there.
This is weird. GRBs and then aftermaths just don't act this way.
_______________________________________________ Utah-Astronomy mailing list http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Send messages to the list to Utah-Astronomy@mailman.xmission.com The Utah-Astronomy mailing list is not affiliated with any astronomy club. To unsubscribe go to: http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Then enter your email address in the space provided and click on "Unsubscribe or edit options".
Patrick is right, a proper spectrum would have to be taken using a diffraction grating or prism, and it would have to be calibrated. Just shooting uncalibrated filtered images won't tell you anything but what color the image processing software thinks it is, based on your preferences. On Sat, Apr 27, 2013 at 10:02 PM, Joe Bauman <josephmbauman@yahoo.com>wrote:
Well, it might tell something if we knew the precise color of the object. -- Joe
________________________________
True that it won't give you a precise spectrum with absorption lines. But you can calculate the color based on the actual color of the filter and the duration of exposure, without relying on your filtering preferences or what the processing software thinks. If two minutes of red of a particular filter value results in a particular brightness on the image, and ten minutes of blue results in a different brightness on the black and white sub, and ten minutes of green, and ten minutes of unfiltered -- you get the idea -- someone with enough optical smarts should be able to calculate the general color. -- Joe ________________________________ From: Chuck Hards <chuck.hards@gmail.com> To: Utah Astronomy <utah-astronomy@mailman.xmission.com> Sent: Saturday, April 27, 2013 10:18 PM Subject: Re: [Utah-astronomy] Anyone imaging? Patrick is right, a proper spectrum would have to be taken using a diffraction grating or prism, and it would have to be calibrated. Just shooting uncalibrated filtered images won't tell you anything but what color the image processing software thinks it is, based on your preferences. On Sat, Apr 27, 2013 at 10:02 PM, Joe Bauman <josephmbauman@yahoo.com>wrote:
Well, it might tell something if we knew the precise color of the object. -- Joe
________________________________
_______________________________________________ Utah-Astronomy mailing list http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Send messages to the list to Utah-Astronomy@mailman.xmission.com The Utah-Astronomy mailing list is not affiliated with any astronomy club. To unsubscribe go to: http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Then enter your email address in the space provided and click on "Unsubscribe or edit options".
I meant ten minutes of red -- or whatever exposure won't oversaturate. The idea is to calculate the color based on filters and exposure of whatever appropriate length. ________________________________ From: Joe Bauman <josephmbauman@yahoo.com> To: Utah Astronomy <utah-astronomy@mailman.xmission.com> Sent: Saturday, April 27, 2013 10:29 PM Subject: Re: [Utah-astronomy] Anyone imaging? True that it won't give you a precise spectrum with absorption lines. But you can calculate the color based on the actual color of the filter and the duration of exposure, without relying on your filtering preferences or what the processing software thinks. If two minutes of red of a particular filter value results in a particular brightness on the image, and ten minutes of blue results in a different brightness on the black and white sub, and ten minutes of green, and ten minutes of unfiltered -- you get the idea -- someone with enough optical smarts should be able to calculate the general color. -- Joe ________________________________ From: Chuck Hards <chuck.hards@gmail.com> To: Utah Astronomy <utah-astronomy@mailman.xmission.com> Sent: Saturday, April 27, 2013 10:18 PM Subject: Re: [Utah-astronomy] Anyone imaging? Patrick is right, a proper spectrum would have to be taken using a diffraction grating or prism, and it would have to be calibrated. Just shooting uncalibrated filtered images won't tell you anything but what color the image processing software thinks it is, based on your preferences. On Sat, Apr 27, 2013 at 10:02 PM, Joe Bauman <josephmbauman@yahoo.com>wrote:
Well, it might tell something if we knew the precise color of the object. -- Joe
________________________________
_______________________________________________ Utah-Astronomy mailing list http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Send messages to the list to Utah-Astronomy@mailman.xmission.com The Utah-Astronomy mailing list is not affiliated with any astronomy club. To unsubscribe go to: http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Then enter your email address in the space provided and click on "Unsubscribe or edit options". _______________________________________________ Utah-Astronomy mailing list http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Send messages to the list to Utah-Astronomy@mailman.xmission.com The Utah-Astronomy mailing list is not affiliated with any astronomy club. To unsubscribe go to: http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Then enter your email address in the space provided and click on "Unsubscribe or edit options".
Emission lines in a calibrated continuum are what would yield the composition. Absorption lines just tell you what's between it and us.
Wrong. ________________________________ From: Chuck Hards <chuck.hards@gmail.com> To: Utah Astronomy <utah-astronomy@mailman.xmission.com> Sent: Saturday, April 27, 2013 10:50 PM Subject: Re: [Utah-astronomy] Anyone imaging? Emission lines in a calibrated continuum are what would yield the composition. Absorption lines just tell you what's between it and us. _______________________________________________ Utah-Astronomy mailing list http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Send messages to the list to Utah-Astronomy@mailman.xmission.com The Utah-Astronomy mailing list is not affiliated with any astronomy club. To unsubscribe go to: http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Then enter your email address in the space provided and click on "Unsubscribe or edit options".
True, I'm just saying that there's no data of value in it. On Apr 27, 2013 10:31 PM, "Joe Bauman" <josephmbauman@yahoo.com> wrote:
True that it won't give you a precise spectrum with absorption lines. But you can calculate the color based on the actual color of the filter and the duration of exposure, without relying on your filtering preferences or what the processing software thinks. If two minutes of red of a particular filter value results in a particular brightness on the image, and ten minutes of blue results in a different brightness on the black and white sub, and ten minutes of green, and ten minutes of unfiltered -- you get the idea -- someone with enough optical smarts should be able to calculate the general color. -- Joe
________________________________ From: Chuck Hards <chuck.hards@gmail.com> To: Utah Astronomy <utah-astronomy@mailman.xmission.com> Sent: Saturday, April 27, 2013 10:18 PM Subject: Re: [Utah-astronomy] Anyone imaging?
Patrick is right, a proper spectrum would have to be taken using a diffraction grating or prism, and it would have to be calibrated. Just shooting uncalibrated filtered images won't tell you anything but what color the image processing software thinks it is, based on your preferences.
On Sat, Apr 27, 2013 at 10:02 PM, Joe Bauman <josephmbauman@yahoo.com
wrote:
Well, it might tell something if we knew the precise color of the object. -- Joe
________________________________
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Patrick, Second .jpg image is a copy of the first. No image shown, just position data. What does it look like in your images? Dave On Apr 27, 2013, at 8:47 PM, Patrick Wiggins <paw@wirelessbeehive.com> wrote:
I just head from someone overseas that the "whateveritis" is still there. This is weird. GRBs and then aftermaths just don't act this way.
If the clouds continue to thin I'm going to try for it again tonight and I invite others to do the same.
For those who might be interested I've posted a couple of images:
http://users.wirelessbeehive.com/~paw/temp/mystery/mystery01.jpg shows the light curve as generated using two different softwares
http://users.wirelessbeehive.com/~paw/temp/mystery/mystery01.jpg shows the POSS image of the field on the left and one of my very hazed and mooned shots of the same FOV with the object arrowed.
patrick
On 27 Apr 2013, at 03:16, Patrick Wiggins wrote:
I received an email notice about an hour ago about indicating a possible gamma ray burst.
They're almost always faint and don't last very long but I figured I'd give it a try anyway.
The notice said the satellite that detected it put it at:
11h 32m 32.68s (J2000) +27d 42' 46.4" (J2000)
I was surprised to actually find something there. I've shot many a GRB field before but this was the first time I caught something.
I checked the Palomar Observatory Sky Survey and it shows nothing where the mystery object is in my images.
But the weird thing is this thing, whatever it is, is still there more than an hour after detection.
My first image shows it at an unfiltered magnitude of 13.2. The most recent image puts it at 14.8.
The fading appeared to be leveling off there for a bit but now seems to be accelerating again.
If anyone else happens to be imaging at the moment I'd sure appreciate a confirmation image.
Thanks,
patrick
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Right you are. That should have read: http://users.wirelessbeehive.com/~paw/temp/mystery/mystery01.jpg shows the light curve as generated using two different softwares http://users.wirelessbeehive.com/~paw/temp/mystery/mystery02.jpg shows the POSS image of the field on the left and one of my very hazed and mooned shots of the same FOV with the object arrowed. patrick On 28 Apr 2013, at 00:17, Dave Gary wrote:
Patrick,
Second .jpg image is a copy of the first. No image shown, just position data. What does it look like in your images?
Dave On Apr 27, 2013, at 8:47 PM, Patrick Wiggins <paw@wirelessbeehive.com> wrote:
I just head from someone overseas that the "whateveritis" is still there. This is weird. GRBs and then aftermaths just don't act this way.
If the clouds continue to thin I'm going to try for it again tonight and I invite others to do the same.
For those who might be interested I've posted a couple of images:
http://users.wirelessbeehive.com/~paw/temp/mystery/mystery01.jpg shows the light curve as generated using two different softwares
http://users.wirelessbeehive.com/~paw/temp/mystery/mystery01.jpg shows the POSS image of the field on the left and one of my very hazed and mooned shots of the same FOV with the object arrowed.
patrick
On 27 Apr 2013, at 03:16, Patrick Wiggins wrote:
I received an email notice about an hour ago about indicating a possible gamma ray burst.
They're almost always faint and don't last very long but I figured I'd give it a try anyway.
The notice said the satellite that detected it put it at:
11h 32m 32.68s (J2000) +27d 42' 46.4" (J2000)
I was surprised to actually find something there. I've shot many a GRB field before but this was the first time I caught something.
I checked the Palomar Observatory Sky Survey and it shows nothing where the mystery object is in my images.
But the weird thing is this thing, whatever it is, is still there more than an hour after detection.
My first image shows it at an unfiltered magnitude of 13.2. The most recent image puts it at 14.8.
The fading appeared to be leveling off there for a bit but now seems to be accelerating again.
If anyone else happens to be imaging at the moment I'd sure appreciate a confirmation image.
Thanks,
patrick
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Wow, that is bright. I doubt it would be there, tonight, but I could try to get an image. Dave On Apr 28, 2013, at 1:33 AM, Patrick Wiggins <paw@wirelessbeehive.com> wrote:
Right you are. That should have read:
http://users.wirelessbeehive.com/~paw/temp/mystery/mystery01.jpg shows the light curve as generated using two different softwares
http://users.wirelessbeehive.com/~paw/temp/mystery/mystery02.jpg shows the POSS image of the field on the left and one of my very hazed and mooned shots of the same FOV with the object arrowed.
patrick
On 28 Apr 2013, at 00:17, Dave Gary wrote:
Patrick,
Second .jpg image is a copy of the first. No image shown, just position data. What does it look like in your images?
Dave On Apr 27, 2013, at 8:47 PM, Patrick Wiggins <paw@wirelessbeehive.com> wrote:
I just head from someone overseas that the "whateveritis" is still there. This is weird. GRBs and then aftermaths just don't act this way.
If the clouds continue to thin I'm going to try for it again tonight and I invite others to do the same.
For those who might be interested I've posted a couple of images:
http://users.wirelessbeehive.com/~paw/temp/mystery/mystery01.jpg shows the light curve as generated using two different softwares
http://users.wirelessbeehive.com/~paw/temp/mystery/mystery01.jpg shows the POSS image of the field on the left and one of my very hazed and mooned shots of the same FOV with the object arrowed.
patrick
On 27 Apr 2013, at 03:16, Patrick Wiggins wrote:
I received an email notice about an hour ago about indicating a possible gamma ray burst.
They're almost always faint and don't last very long but I figured I'd give it a try anyway.
The notice said the satellite that detected it put it at:
11h 32m 32.68s (J2000) +27d 42' 46.4" (J2000)
I was surprised to actually find something there. I've shot many a GRB field before but this was the first time I caught something.
I checked the Palomar Observatory Sky Survey and it shows nothing where the mystery object is in my images.
But the weird thing is this thing, whatever it is, is still there more than an hour after detection.
My first image shows it at an unfiltered magnitude of 13.2. The most recent image puts it at 14.8.
The fading appeared to be leveling off there for a bit but now seems to be accelerating again.
If anyone else happens to be imaging at the moment I'd sure appreciate a confirmation image.
Thanks,
patrick
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I just checked the field and, though greatly diminished, it's still there. Apparently my data turned out to be useful to some folks as I see NASA Goddard published them (many thanks to AAVSO's Matthew Templeton for helping me write it up): http://gcn.gsfc.nasa.gov/gcn3/14490.gcn3 That marks my first time in a GCN Circular. Matthew tells me that someplace called the Los Alamos group reported it initially reached magnitude 7.9 and that that might have been the jet emerging from the star. I guess we should be thankful the source was so far away. From what I understand if a nearby source were to hit us with such a beam it would wreak havoc with Earth's ecosystem. patrick On 28 Apr 2013, at 07:28, Dave Gary wrote:
Wow, that is bright. I doubt it would be there, tonight, but I could try to get an image.
Dave On Apr 28, 2013, at 1:33 AM, Patrick Wiggins <paw@wirelessbeehive.com> wrote:
Right you are. That should have read:
http://users.wirelessbeehive.com/~paw/temp/mystery/mystery01.jpg shows the light curve as generated using two different softwares
http://users.wirelessbeehive.com/~paw/temp/mystery/mystery02.jpg shows the POSS image of the field on the left and one of my very hazed and mooned shots of the same FOV with the object arrowed.
patrick
Wow, that is real science! It would be fun to hear your speculation about what triggered it. -- Joe ________________________________ From: Patrick Wiggins <paw@wirelessbeehive.com> To: Utah Astronomy <utah-astronomy@mailman.xmission.com> Sent: Sunday, April 28, 2013 11:30 PM Subject: Re: [Utah-astronomy] Anyone imaging? (corrected URL) I just checked the field and, though greatly diminished, it's still there. Apparently my data turned out to be useful to some folks as I see NASA Goddard published them (many thanks to AAVSO's Matthew Templeton for helping me write it up): http://gcn.gsfc.nasa.gov/gcn3/14490.gcn3 That marks my first time in a GCN Circular. Matthew tells me that someplace called the Los Alamos group reported it initially reached magnitude 7.9 and that that might have been the jet emerging from the star. I guess we should be thankful the source was so far away. From what I understand if a nearby source were to hit us with such a beam it would wreak havoc with Earth's ecosystem. patrick On 28 Apr 2013, at 07:28, Dave Gary wrote:
Wow, that is bright. I doubt it would be there, tonight, but I could try to get an image.
Dave On Apr 28, 2013, at 1:33 AM, Patrick Wiggins <paw@wirelessbeehive.com> wrote:
Right you are. That should have read:
http://users.wirelessbeehive.com/~paw/temp/mystery/mystery01.jpg shows the light curve as generated using two different softwares
http://users.wirelessbeehive.com/~paw/temp/mystery/mystery02.jpg shows the POSS image of the field on the left and one of my very hazed and mooned shots of the same FOV with the object arrowed.
patrick
_______________________________________________ Utah-Astronomy mailing list http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Send messages to the list to Utah-Astronomy@mailman.xmission.com The Utah-Astronomy mailing list is not affiliated with any astronomy club. To unsubscribe go to: http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Then enter your email address in the space provided and click on "Unsubscribe or edit options".
On 29 Apr 2013, at 00:37, Joe Bauman wrote:
Wow, that is real science!
Yeah, that's what makes it fun. Maybe you should give it a try Joe. Seriously. You have the equipment and if I can do it under the very hazy sky I worked the GRB under very close to a full Moon surely you (and other on this list) can do it too.
It would be fun to hear your speculation about what triggered it. -- Joe
Honestly, I've no idea. However, I believe the speaker at next month's SLAS meeting knows about such things so I've emailed her asking for her thoughts. And maybe she'll opine about it during next month's meeting. BTW, I heard from the Science Director at AAVSO that events like this are very rare but not unprecedented. patrick
If she covers that topic, it'd be cool if she showed your pics. -- No, I'm too broken down to do real astronomy. -- Joe ________________________________ From: Patrick Wiggins <paw@wirelessbeehive.com> To: Utah Astronomy <utah-astronomy@mailman.xmission.com> Sent: Monday, April 29, 2013 12:57 AM Subject: Re: [Utah-astronomy] Anyone imaging? (corrected URL) On 29 Apr 2013, at 00:37, Joe Bauman wrote:
Wow, that is real science!
Yeah, that's what makes it fun. Maybe you should give it a try Joe. Seriously. You have the equipment and if I can do it under the very hazy sky I worked the GRB under very close to a full Moon surely you (and other on this list) can do it too.
It would be fun to hear your speculation about what triggered it. -- Joe
Honestly, I've no idea. However, I believe the speaker at next month's SLAS meeting knows about such things so I've emailed her asking for her thoughts. And maybe she'll opine about it during next month's meeting. BTW, I heard from the Science Director at AAVSO that events like this are very rare but not unprecedented. patrick _______________________________________________ Utah-Astronomy mailing list http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Send messages to the list to Utah-Astronomy@mailman.xmission.com The Utah-Astronomy mailing list is not affiliated with any astronomy club. To unsubscribe go to: http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Then enter your email address in the space provided and click on "Unsubscribe or edit options".
If the source is close enough, or powerful enough if far-away but beamed directly at us, the effects can be terminal for humanity and most other species. Mass extinctions, essentially a sterilization of all surface life. Only the ocean depths and underground life would be spared. Here's a very brief but informative write-up on GRBs: http://space.about.com/od/deepspace/a/Could-A-Gamma-Ray-Burst-Destroy-Life-O... If the burst were short enough, perhaps only all life on the side of earth facing the burst would be wiped-out. Those on the other side might be spared, to face the environmental damage. The first to die might be the lucky ones. With that cheerful thought, Happy Monday! On Sun, Apr 28, 2013 at 11:30 PM, Patrick Wiggins <paw@wirelessbeehive.com>wrote:
I guess we should be thankful the source was so far away. From what I understand if a nearby source were to hit us with such a beam it would wreak havoc with Earth's ecosystem.
participants (4)
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Chuck Hards -
Dave Gary -
Joe Bauman -
Patrick Wiggins