SEE THE LATEST NEAR REAL TIME NASCOM LASCO IMAGES:
http://sohodata.nascom.nasa.gov/cgi-bin/data_query_search_url?Session=web&Resolution=2&Display=Images&NumImg=30&Types=instrument=LASCO:detector=C3
TIMELINE
Schrödinger's Comet
29-Nov-13 17:45 UT - Excerpt from Karl Battam's latest update:
I'll just say this upfront right now: whatever you read in the following blog post, please feel free to assume it is completely incorrect and the truth is actually quite contrary to what I'm saying. It has been - and continues to be - one of those days.
So this will be a relatively brief blog post because we're up to our necks in media inquiries and attempting to do real science to figure out the mystery that is comet ISON, and Matthew and I are basically the only ones that have abandoned our loved ones on this US national Holiday and continued to work. Here's what we know so far:
After impressing us yesterday, comet ISON faded dramatically overnight, and left us with a comet with no apparent nucleus in the SOHO/LASCO C2 images. As the comet plunged through the solar atmosphere, and more
http://www.isoncampaign.org/karl/schroedingers-comet"Now, in the latest LASCO C3 images, we are seeing something beginning to gradually brighten up again. One could almost be forgiven for thinking that there's a comet in the images! ....
After perihelion, a very faint smudge of dust appeared in the the LASCO C2 images along ISON's orbit. This surprised us a little, but we have seen puffs of dust from Sungrazer tails, so it didn't surprise us enormously and didn't change our diagnosis. We watched and waited for that dust trail to fade away. Except it didn't.
Now, in the latest LASCO C3 images, we are seeing something beginning to gradually brighten up again. One could almost be forgiven for thinking that there's a comet in the images!
Matthew and I are ripping our hair out right now as we know that so many people in the public, the media and in science teams want to know what's happened. We'd love to know that too! Right now, here's our working hypothesis:
As comet ISON plunged towards to the Sun, it began to fall apart, losing not giant fragments but at least a lot of reasonably sized chunks. There's evidence of very large dust in the form of that long thin tail we saw in the LASCO C2 images. Then, as ISON plunged through the corona, it continued to fall apart and vaporize, and lost its coma and tail completely just like Lovejoy did in 2011. (We have our theories as to why it didn't show up in the SDO images but that's not our story to tell - the SDO team will do that.) Then, what emerged from the Sun was a small but perhaps somewhat coherent nucleus, that has resumed emitting dust and gas for at least the time being. In essence, the tail is growing back, as Lovejoy's did.
....
We have a whole new set of unknowns, and this ridiculous, crazy, dynamic and unpredictable object continues to amaze, astound and confuse us to no end. We ask that you please be patient with us for a couple of days as we analyze the data and try to work out what is happening. We realize that everyone now wants to know if it will be visible in the night sky, and how bright it might be. We really hate speculating right now but if someone were to force us into an answer, we would reluctantly say that at least some faint tail remnant should be visible in the coming week or so. But this is highly speculative so please don't take this too seriously just yet. We will absolutely post updated info here as soon as we're more confident, and I will of course continue blogging when I can in the meantime. Just be patient on this and the truth will unfold in time!
And I just want to end on this note: not long after comet ISON was discovered, it began to raise questions. Throughout this year, as many of you who have followed closely will appreciate, it has continued to confuse and surprise us. For the past few weeks, it has been particularly enigmatic and dynamic, in addition to being visually spectacular. This morning we thought it was dying, and hope was lost as it faded from sight. But like an icy phoenix, it has risen from the solar corona and - for a time at least - shines once more. This has unquestionably been the most extraordinary comet that Matthew and I, and likely many other astronomers, have ever witnessed. The universe is an amazing place and it has just amazed us again. This story isn't over yet, so don't stray too far from your computer for the next couple of days!
Image of the Week
Every week, a new image related to Comet ISON!
This week: An Observation in Common of an Uncommon Event: Comet ISON goes into the schools over over 20,000 students in Indiana.
Earlier picks can be found in the ISON Image of the Week Archives
This week: An Observation in Common of an Uncommon Event: Comet ISON goes into the schools over over 20,000 students in Indiana.
Earlier picks can be found in the ISON Image of the Week Archives
and FOLLOWING PROJECTED TRAJECTORY.
Today's Miami Herald newspaper reported that ISON is gone!
First Amateur Spectrum of Comet ISON (Oct 14, 2013)
Click Image:
Oct 14, 2013: First Amateur Spectrum of Comet ISON
Scientists study comets for many reasons including how they formed, what their mass and density is, what physical and chemical processes are occurring on their surface and within their core, and even what would happen if a large one impacted our planet! That list is far from exhaustive but fundamental to all of those questions, and many others we have, is this: what are comets made of? ... READ MORE...
Contributing sources:
http://www.isoncampaign.org/karl/schroedingers-comet
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