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Is the nose a group member
Maybe? SED of the nose goes down toward IR wavelengths, it does not fit the SED of other group members (which is nearly strictly rising)....
jackychc
Feb 19, 20211 min read
3 views
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replacing jaffe in v5_2nfw model
v5_2nfw adopt 2 nfw as group halo and 2 jaffe as BCGs. I replace the jaffe as sersic, the lens mass distribution remains similar. Jaffe :...
jackychc
Feb 16, 20211 min read
6 views
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Review of Cheshire Cat lens models
There are different prefixes to my lens models, They indicate different assumptions I made during lens making process. All models with...
jackychc
Feb 6, 20213 min read
27 views
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Cheshire Cat lens model with source E spec-z = 2.2
Jones et al 2013 obtained spectroscopic observation of source E using Keck II. They found that source E and source A has similar spec-z...
jackychc
Sep 16, 20201 min read
13 views
0 comments
Cheshire Cat 7 components model
In this model, instead of a single profile representing a BCG, I use a combination of Sersic and nfw. the NFW associated with the BCG is...
jackychc
Sep 3, 20201 min read
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0 comments
NGC5044 observations
I have successfully conducted two more HI observations on NGC5044 using GBT. Previously, I have conducted two HI obs on NGC 5044 already...
jackychc
Jun 24, 20201 min read
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A1644 and A1795 GBT Observation
I have completed observation on A1644 and completed two out of three observation sessions on A1795. Observation on A1664 is completely...
jackychc
May 25, 20201 min read
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Green Bank 20A_540 obs
All time is in Eastern Time ( i.e. HKT - 12) 20 May 1900 - 2100 - Abell 1664 2hrs (completed, haven't remove the notchfilter) 21 May...
jackychc
May 21, 20201 min read
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Green Bank Telescope - NGC5044 HI observation 2020
We have successfully completed 2 sessions observations on NGC5044, total observing time is 6 hours. Primary calibrator: 3C286 L-band...
jackychc
May 4, 20201 min read
28 views
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Einasto / Sersic profile for gasous component in the center
Assuming a Einasto profile for the gasous component midway between two giant elliptical galaxies, the mass distribution for the Einasto...
jackychc
Mar 20, 20201 min read
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improvement on Cheshire Cat lens model
All previous lens model constructed by me does not has a intracluster gas component. Here I attempted to add an extra layer on the...
jackychc
Mar 19, 20201 min read
6 views
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Cheshire Cat six-layer lens model
Previously, I made several 5-layer lens model, two layers represent the Group-scale halos, another two represent the two dominant...
jackychc
Mar 17, 20201 min read
3 views
0 comments
2nfw model with position fixed at BCGs
In this model, the position of nfw halo are fixed at the position of the BCGs, unlike the previous models where halo positions are freed....
jackychc
Aug 13, 20191 min read
8 views
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Cheshire Cat system C2
Previously, I have only identified 2 images in Cheshire Cat C2 system I suspect there's an counterimage in C3 region, but there are...
jackychc
Aug 8, 20191 min read
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Cheshire Cat 3 layers 2 nfw all images model
In this blog, I will present glafic-generated model, using 3 layers ( 2 for nfw halo and 1 for all cluster members inc. BCGs). In this...
jackychc
Aug 8, 20192 min read
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0 comments
Cheshire Cat 2 nfw using ABCEGZ images
In this model, I use all ABCEGZ images identified as constrain. With 2 nfw ,2 jaffe and 1 layer for all cluster members. All lensed...
jackychc
Aug 2, 20192 min read
8 views
0 comments
Green Bank NGC5044 HI Observation summary
Hi all, Details of observation for proposal AGBT_19A_122 : using L-band receiver, restfreq at 1407.3MHz , bandwidth of 187.5MHz, and...
jackychc
Aug 1, 20192 min read
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SED of Cheshire Cat System C
Matching lensed pairs in system C has proven troublesome due to similarity in color. In this blog, I try to differentiate lensed pairs....
jackychc
Jul 30, 20192 min read
24 views
0 comments
Cheshire Cat 2 NFW models
Please read the commentary on 1 nfw models before proceeding. In this model, two nfw are used, 1 NFW halo is set to the left, while the...
jackychc
Jul 29, 20191 min read
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0 comments
Comments on 1 nfw model made - Cheshire Cat
The internal-consistency of 1nfw model using all lensed images (spec-z + new) *[Lets call it run3a) except G2 image is good. Furthermore,...
jackychc
Jul 26, 20192 min read
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