PSF file and format for SkyMaker
It would be nice to use SkyMaker for simulated Kepler spacecraft images. It appears that setting SEEING_TYPE NONE is sufficient to turn off the seeing terms, but I didn't find a template PSF or...
View ArticleSpeed-up for same instrument?
Is there a way to preserve the calculation at/near the place where it reports "Convolving by detector pixel" but before "Painting input list"? My current efforts to simulate Kepler require lots of...
View ArticleSegmentation fault (core dumped)
Hello, there is something wrong when I used SkyMaker to simulate. If I want to use SkyMaker to simulate the "i.list" of galaxy generated by STUFF, it didn't work and told "Segmentation fault (core...
View ArticleSegmentation fault when using galaxy input lists
Hi All, I'm getting segmentation faults tying to simulate galaxies using SkyMaker 3.1.0. I'm using catalogs created by stuff as input catalogs. The segmentation fault occur when SkyMaker is reading the...
View ArticleError message of SkyMaker on MacBook Pro
Hi, I have compiled SkyMaker 3.3.3 and FFTW-3 3.2.2. However, I got an error message when I try to generate a simulated image with default configuration. Here is the error message. ----- SkyMaker 3.3.3...
View ArticlePSF files for SkyMaker
Hello everybody, I just trying to get mock images from the SPH simulations. Can someone share the PSFs for HST ACS_HRC camera? thanks Arman. ------------------------------------------ Dr Arman...
View ArticleSkymaker for IR-filters
Hi all, currently, I am trying to create a fits image with Skymaker according to an exposure of a galaxy cluster taken with HAWK-I@UT4 at Paranal in the Ks-filter. The parameters, Skymaker requires for...
View ArticleSkymaker Parameters
Hi, i'm trying to use skymaker with different parameters from default.sky. I want ask some more informations about TRACKERROR_ANG,AUREOLE_RADIUS,AUREOLE_SB. What they refer to? Thank you for help....
View ArticleQUA22_D80
Hi, i want just ask if QUA22_D80 parameter in default.sky refer to 22.5 degrees of elevation or to zenithal distance. Thank you for help. Reagards Marianna
View ArticleGAIN
Hi everyone, I have a simple question. I have to simulate an image with texp = 1500 sec. What is the value of the GAIN that i have to set In the configuration file? The Gain per second or the Gain...
View Articlebackground surface brightness calculation
Hi, I have a question regarding the parameter "BACK_MAG" in skymaker configuration file. I want to simulate a survey with skymaker and I wonder how I could calculate the optimum background surface...
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I can not compile from source since version 3.5.1 from svn
Quote:make[3]: *** No rule to make target `poly.o', needed by `sky'. Stop. make[3]: *** Waiting for unfinished jobs.... mv -f .deps/list.Tpo .deps/list.Po galaxies.c: In function ‘make_sersic’:...
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Wrong computed magnitudes by SkyMaker ??
[Update: There is no problem with SkyMaker. It was found that there was a problem with the input list of objects.... so you can continue trusting SkyMaker :-) ] Hi Bertin, I was happily enjoying the...
View Articlestar counts
Hi, can someone tell me how can I set the exact number of stars to be added with SkyMaker? In Stellar field parameters: STARCOUNT_ZP 3e4 # nb of stars /deg2 brighter than MAG_LIMITS STARCOUNT_SLOPE 0.2...
View ArticleSeveral suggestions for improvement of SkyMaker
1) Add the ability to simultaneously output model with noise and without noise: sky -IMAGE_NAME sky.fits,sky_nonoise.fits -IMAGE_TYPE SKY,SKY_NONOISE This is very important when the model is simulated...
View ArticleDefinitions or calculations with GAIN and SATUR_LEVEL are wrong
Definitions or calculations of GAIN and SATUR_LEVEL are wrong From: http://www.stsci.edu/hst/acs/documents/h..._Ch42.html Quote: 4.1.2 A-to-D Conversion The analog information (electrons) accumulated...
View ArticleStructure in noise
Hi Emmanuel et al., When I dump a default configuration file and generate an image, the noise in the background of the image shows clear structure (see attached). Is this a bug or a feature? If the...
View ArticleStep functions in source light profile
Hi, I am using Skymaker to generate an image with extended aureole, at a resolution lower than the default 0.2"/ FWHM of 0.7". However, when I try to generate an image at a lower resolution, the light...
View ArticleStrange behaviour with PIXEL_SIZE > 1
Hi all, I am experimenting with SkyMaker (v 3.10.5 on various *nix systems), and while I'll admit I'm no expert, I've found a behaviour I can't understand. I'm interested in making some images with...
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A pattern in simulated image.
Hi all, I'm trying to simulate HST/ACS F606W and F814W band images. After using Stuff to create a mock catalogs for both bands, on simulated images the pattern is clearly visible (see image: left panel...
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