more candidate cosmic string lens pairs in HUDF (re comment by Levon Pogosian on astro-ph/0506400); also myriad minute bright blue sources, always on dark background mesh: Murray 2005.08.19

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http://groups.yahoo.com/group/AstroDeep/12 more candidate cosmic string
lens pairs in HUDF (re comment by Levon Pogosian on astro-ph/0506400);
also myriad minute bright blue sources, always on dark background mesh:
Murray 2005.08.19

http://groups.yahoo.com/group/AstroDeep/11 subtle background structure
in deep astronomy photos; CSL-1 cosmic string gravitational lens in
Capodimonte Deep Field; Millennium Simulation of evolving cosmic
structure; AstroDeep group; Murray mesh; www.Flickr.com photo archive:
Murray 2005.06.10


Since Dec 2001, I have been color shifting deep cosmic astronomy photos
to reveal mysterious, fascinating, and unexplained subtle background
structu appears to be a very distant 3D fractile tangle of dark and
light spots, threads, and lines, behind all galaxies, which I named
'Murray mesh' in January 2002.

www.Flickr.com allows unlimited numbers of up to 10 MB images to be
shared forever, along with viewer comments.

http://www.flickr.com/photos/rmforall/

I have uploaded 17 images from the Capodimonte Deep Field that include
CSL-1 and two of the other proposed 11 possible cosmic lens pairs, then
2 images from the Millenium Simulation that show the cosmic background
of complex filaments, and then 10 images from the Hubble Ultra Deep
Field.

There are many bright blue pairs in the background of HUDF, one of which
I named RML-1, and a universal background of minute bright blue sources,
always on the extremely distant dark mesh -- the highest magnification
is image #21. Increasing magnifications of this field are provided:


http://photos13.flickr.com/19047521_8b74c0fde7_o.png #20

http://photos14.flickr.com/19067873_6d8570e64c_o.png #22

http://photos15.flickr.com/19067874_7251affb8d_o.png #23

http://photos13.flickr.com/19717874_18d6b931b4_o.png #24

http://photos14.flickr.com/19726818_0e768be01d_o.png #25


http://photos14.flickr.com/19054951_53c914b123.jpg #21 medium
size

http://photos14.flickr.com/19054951_53c914b123_o.png #21 large size

#21 Closeup of possible cosmic string gravitational lens, the blue
galaxy pair, very similar to CSL-1, just above yellow galaxy in lower
left corner of #20 and #22, magenta in #23. I call it RML-1, Rich Murray
Lens 1.

The 125 X 125 pixel field was cropped from #23, and expanded to fit the
page, and saved as tif 2.25 MB and this png .087 MB image.

The pixels are .03 arc-second each, so that the original Hubble Ultra
Deep Field, 6200 X 6200 pixels, is 186 X 186 arc-seconds, 3.1 X 3.1
arc-minutes, a tenth of the diameter of the Full Moon or the Sun, 0.5
degrees, 30 arc-minutes.

This view is 125 X 125 p, 3.75 X 3.75 sec. The length of the dumbbell
shape of the two blue galaxies is 1/9 of the 125 p width of the view, 14
X 7 p, 0.4 X 0.2 sec.

Notice the background scatter of bright blue sources, 1 to 2 pixel size,
and the dark background 3D mesh.

The bright blue sources, like tiny Christmas lights, are always on the
dark 3D mesh.

I surmise that they are very early hypernovae (early quasars), or
possibly the more recent generation of the first dwarf galaxies, with
high formation rates of extremely massive, ultraviolet bright stars.

The putative greater density of cosmic strings should result in a much
greater density of exact mirror image sources in these early epoches.

If you peer closely through a 3.5 inch reading glass with both eyes at
these images on the screen or as a color print, the opposite sides of
the wide lens will act as opposed prisms, separating out the colors
enough to create a very lovely and revealing 3D texture to the image,
which can be scanned thorougly, easily, and quickly to interpret the
various levels of structure -- the colors tend to code for the
temperatures and redshifts of the sources. Moving the wide lens in and
out of focus allows convenient variation of the apparent resolution.

Rich Murray, MA Room For All 505-501-2298
1943 Otowi Road Santa Fe, New Mexico 87505 USA
http://groups.yahoo.com/group/AstroDeep/
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http://www.physcomments.org/node/330#comment-14

astro-ph/0506400--Further spectroscopic observations of the CSL-1 object
Submitted by Referenced Author on Mon, 2005-07-11 10:32. astro-ph

CSL-1 (Capodimonte Sternberg Lens Candidate no 1) first detected at
Osservatorio Astronomico di Capodimonte - Deep Field is an extragalactic
double source with the two images 1.9 arcsec apart. The two sources
match the properties of two giant elliptical galaxies at redshift
z=0.46. However, a detailed analysis in the original paper, Sazhin et
al, astro-ph/0302547, MNRAS (Paper I), provided strong evidence that
these two objects are lensed images of the same galaxy. As shown in
Paper I, the spectra of the two components were nearly identical (at
99.9% confidence level) and there was no evidence for a relative
velocity between the sources. The limited resolution, however, did not
allow the authors to completely rule out the possibility of a chance
alignment of two separate galaxies.

What sets CSL-1 apart from other lensing candidates is the near perfect
symmetry of the two images. These are two well-resolved round bright
sources that look very much like reflections of each other around an
axis passing between them. If it was confirmed that this, in fact, is a
lensed object, it would be very hard to find a known lens that could
cause such a perfectly symmetric image. A lens candidate put forward in
Paper I was a cosmic string and, as far as I know, there have been no
alternative candidates. A discovery of a cosmic string would be a major
breakthrough in science with wide-ranging implications. Before one
starts talking about strings however, it has to be confirmed that CSL-1
is, indeed, two images of the same object (one should also find an
increased number of lensing events in the vicinity of CSL-1. This may
actually be the case, as reported by Sazhin et al in another paper,
astro-ph/0406516).

The aim of this paper is to strengthen the case made in Paper I for
CSL-1 being a lensed image. It reports results of observation and
analysis of CSL-1 using a different telescope (ESO Very Large Telescope)
and a different spectrograph. The methods are very much similar to those
in Paper I. The main improvement appears to be the increase in the
resolution with which the two images could be studied. The paper
confirms the lensing hypothesis at a ``higher than 99.9%'' confidence
level.

Within a year, CSL-1 will be observed by the Hubble Space Telescope
(HST) with a superb resolution and the authors of this paper are among
the co-recipients of the HST time allocation. If the HST confirms that
CSL-1 is two images of the same object, it will provide an exciting
puzzle for us to solve. And, who knows, we may end up discovering a
cosmic string after all!

Levon Pogosian Department of Physics and Astronomy Tufts University
Medford, MA 02155, USA
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