Comments on: A new way to find Supernovae: SN2008D http://www.starstryder.com/2008/05/22/a-new-way-to-find-supernovae-sn2008d/ Blogging one sidereal day at a time Sat, 04 Feb 2012 16:26:45 +0000 hourly 1 http://wordpress.org/?v=3.3.1 By: –ü—Ä–æ–∫—Ç–æ–ª–æ–≥ http://www.starstryder.com/2008/05/22/a-new-way-to-find-supernovae-sn2008d/comment-page-1/#comment-25855 –ü—Ä–æ–∫—Ç–æ–ª–æ–≥ Tue, 18 Nov 2008 23:47:46 +0000 http://www.starstryder.com/?p=639#comment-25855 –ß–∏—Ç–∞–µ—à—å —ç—Ç–æ –∏ –¥—É–º–∞–µ—à—å.... –ß–∏—Ç–∞–µ—à—å —ç—Ç–æ –∏ –¥—É–º–∞–µ—à—å….

]]> By: Syed Moin Doja http://www.starstryder.com/2008/05/22/a-new-way-to-find-supernovae-sn2008d/comment-page-1/#comment-25330 Syed Moin Doja Sun, 24 Aug 2008 22:12:37 +0000 http://www.starstryder.com/?p=639#comment-25330 wow astronomy is such an happening field, makes me wonder should have chosen astronomy for my M.Sc rather than plain old Physics- just got enrolled 3 days ago. oh well.. also talking of x rays, what happened to the Chandra xray telescope, havent heard much about it for quite a while now, whats it up to ....anybody know? 3.42 a.m Calcutta,India wow astronomy is such an happening field, makes me wonder should have chosen astronomy for my M.Sc rather than plain old Physics- just got enrolled 3 days ago. oh well..
also talking of x rays, what happened to the Chandra xray telescope, havent heard much about it for quite a while now, whats it up to ….anybody know?

3.42 a.m
Calcutta,India

]]> By: pamela http://www.starstryder.com/2008/05/22/a-new-way-to-find-supernovae-sn2008d/comment-page-1/#comment-24591 pamela Fri, 23 May 2008 19:45:13 +0000 http://www.starstryder.com/?p=639#comment-24591 Hi Professor, I think it should be fixed now. So sorry. -P Hi Professor,

I think it should be fixed now. So sorry. -P

]]> By: Professor R http://www.starstryder.com/2008/05/22/a-new-way-to-find-supernovae-sn2008d/comment-page-1/#comment-24590 Professor R Fri, 23 May 2008 19:40:49 +0000 http://www.starstryder.com/?p=639#comment-24590 Looks like a v good post but I'm having problems reading it due to an advert for Swinburn astronomy - is this just my machine? Cormac Looks like a v good post but I’m having problems reading it due to an advert
for Swinburn astronomy – is this just my machine? Cormac

]]> By: Jim Chatham http://www.starstryder.com/2008/05/22/a-new-way-to-find-supernovae-sn2008d/comment-page-1/#comment-24579 Jim Chatham Thu, 22 May 2008 17:49:15 +0000 http://www.starstryder.com/?p=639#comment-24579 "I don’t yet know the probabilities of detection, but I’m sure papers will come out soon." Oops...I just zapped off an email to the astronomycast address asking this very question. Hundreds of billions of galaxies, maybe 20 supernovae per century (on average) in each galaxy, probably at least half of those obscured. I can see a Drake-type equation coming together already. But I guess it all boils down to the limited number of telescopes focusing on a particular galaxy at the right moment in time. Dr. Alicia Sodeberg said in the <a href="http://www.nytimes.com/2008/05/22/science/22nova.html?bl&ex=1211515200&en=c81ac949f12c1e26&ei=5087%0A" rel="nofollow">NY Times</a> that the odds were "unfathomable". But is it as unfathomable as our national debt or as unfathomable as the number of electrons in the universe? “I don’t yet know the probabilities of detection, but I’m sure papers will come out soon.”

Oops…I just zapped off an email to the astronomycast address asking this very question. Hundreds of billions of galaxies, maybe 20 supernovae per century (on average) in each galaxy, probably at least half of those obscured. I can see a Drake-type equation coming together already. But I guess it all boils down to the limited number of telescopes focusing on a particular galaxy at the right moment in time. Dr. Alicia Sodeberg said in the NY Times that the odds were “unfathomable”. But is it as unfathomable as our national debt or as unfathomable as the number of electrons in the universe?

]]> By: Beth http://www.starstryder.com/2008/05/22/a-new-way-to-find-supernovae-sn2008d/comment-page-1/#comment-24578 Beth Thu, 22 May 2008 13:06:46 +0000 http://www.starstryder.com/?p=639#comment-24578 This is such a wonderful discovery story. Science. Romance. Luck. There's a movie here. It's been fun explaining it to my kids. My 13yo son asked which supernova really happened first. We know which we observed first. But which one happened first? That galaxy has had three supernovae observed in it since 1999. Could the explosion that we saw as SN2008d have occurred before the explosion that we saw as SN2007uy or even SN1999eh? The <a href="http://apod.nasa.gov/apod/ap080118.html" rel="nofollow">Astronomy Picture of the Day for 18 January 2008</a> shows all three in NGC 2770. This is such a wonderful discovery story. Science. Romance. Luck. There’s a movie here.

It’s been fun explaining it to my kids. My 13yo son asked which supernova really happened first. We know which we observed first. But which one happened first? That galaxy has had three supernovae observed in it since 1999. Could the explosion that we saw as SN2008d have occurred before the explosion that we saw as SN2007uy or even SN1999eh?

The Astronomy Picture of the Day for 18 January 2008 shows all three in NGC 2770.

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