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New counterimage for system B in cheshire cat?
This is image of B1 I am thinking whether this C_B5 is a counterimage of B1: Due to the redder bulge in the centre and > 4 bright blue...
jackychc
Feb 16, 20191 min read
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the lensed image right of the nose is not counterimage of B
So I generated another glafic model for without using B2, and use potential counterimage of B right of the nose. the relens result it...
jackychc
Feb 15, 20191 min read
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cheshire delens relens result of v1 r13 RGB version
This glafic model FOV is 54 by 54 arcsec, use 3 lensed system and 5 point sources, uses 2 nfw and 3 jaffe to represent the major cluster...
jackychc
Feb 13, 20191 min read
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Modified Cheshire Glafic model V1 run13
Recently, Tom identified a potential counterimage of system C, around 14 arcsec from centre. This counterimage is confirmed in subsequent...
jackychc
Jan 21, 20192 min read
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Cheshire cat radial mass profile
Based on the current GALFIC model, the mass map is following
jackychc
Jan 14, 20191 min read
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GLAFIC model for cheshire cat
Critical curve for 3 lensed systems are derived as follows
jackychc
Jan 8, 20191 min read
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GLAFIC model for Cheshire Cat
Finally making some result from glafic model for our cat. Here's the critical curve for system A, at z=2.198 I use 2 NFW profiles for it,...
jackychc
Jan 3, 20191 min read
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Merry Christmas and Happy New Year
Merry Christmas and Happy New Year everyone. This holiday I have been working on galfic model, I already finished the input, obs and gal...
jackychc
Dec 28, 20181 min read
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Comparison of v2.1 model with Oguri's model
Oguri+11 (https://arxiv.org/pdf/1109.2594.pdf) used GLAFIC to generate lens model for cheshire cat. That model used 9 lensed image, now...
jackychc
Dec 19, 20181 min read
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Cheshire Cat - Lensed images redshifts issues
Since Delens Relens result is not good, especially system C, I review on paper that published Cheshire Cat redshifts. Many works on...
jackychc
Dec 10, 20181 min read
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Cheshire model v2.1
I realised in before the last group meeting that I may have incorrectly input the one of the image's coordinates. Hence v2.1 is actually...
jackychc
Nov 28, 20182 min read
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Cheshire Cat model version 2.0
In the v1.0, I used 18 cluster members identified from Irwin+15 and 7 lensed images from Bayliss+11. In this v2.0 model, I used 9 more...
jackychc
Nov 14, 20181 min read
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Possible reason on why Irwin+15 didn't identified an obvious cluster member
Irwin+15 unable to identified many important cluster members, "Color 1" here is an example, in the color-magnitude diagram I generated...
jackychc
Nov 12, 20181 min read
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Is the candidate lensed images real?
As discussed in previous blog about identification of lensed images, I suspect there are two images on top and below the nose of the...
jackychc
Nov 7, 20181 min read
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Cheshire cat model (Vanilla)
This mass model is generated using 7 lensed images from 4 lensed system identified in Bayliss+11 paper. Cluster members from Irwin+15,...
jackychc
Nov 5, 20181 min read
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Critical Curve for System A
Critical curve overlay the cheshire cat Basically too much mass predicted by WSLAP
jackychc
Oct 26, 20181 min read
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WSLAP+ first trial result
Using the most conservative approach, I use 7 lensed images from 4 lensed system identified in Bayliss+11 in constructing this model The...
jackychc
Oct 23, 20181 min read
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Identification of Lensed images in Cheshire Cat
In Bayliss+11 and quoted in Irwin+15 paper, they identified 7 lensed images from 4 lensed system with System D singly lensed. Based on...
jackychc
Oct 22, 20181 min read
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Red-sequence
I have generated a color-magnitude diagram for cheshire cat to identify more cluster members near the central galaxy. numbered galaxy...
jackychc
Oct 22, 20181 min read
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Update 16 Oct on cheshire project
The Main WSLAP script has been rewritten to fit Cheshire cat, but still working on other parameter files. Mapping red-shift from catalog...
jackychc
Oct 16, 20181 min read
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