Space Warps Talk

SpaghettiLens modeling of gravitational lens SL2SJ02176- 0513, ASW0003dq7

  • c_cld by c_cld

    SL2SJ02176- 0513, ASW0003dq7 is the 1st example of real lenses in the Spotter' guide. Was discovered by the CFHT Legacy Survey and Subsequent high-resolution follow up imaging and spectroscopy were obtained. Many studies references are found in literature (cited in GZ forum)

    ASW0003dq7

    I picked this image for a trial of SpaghettiLens: here is my modeling test with z lens=0.65 and z source=1.85 .

    I'll be pleased to see any improvement by experts!

    Some comments on the results and physics of this modeling case are strongly welcomed 😃

    Posted

  • psaha by psaha scientist

    Here is my attempt, which is fairly similar.

    The models depend strongly on where we put the counter-image at 3 o'clock. @C_cld posted a higher-resolution image of this object (from HST data) on the galaxy zoo forum earlier this year. There the counter image is clear.

    Posted

  • c_cld by c_cld

    another tentative model ASW0003dq7

    Posted

  • c_cld by c_cld

    Model 9925 with pixrad 12 and known z lens 0.65 and z source 1.85enter image description here

    to be compared with HLA view posted in GZ

    enter image description here

    Posted