Questions tagged [fits]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
2
votes
1answer
43 views

Finding galaxy spectra in SDSS Catalog by object name

I am looking to find galaxy spectra of early type elliptical galaxies in the SDSS catalog by the objects name. See: https://dr12.sdss.org/advancedSearch. I dont know how to find out the PLATEID of my ...
1
vote
1answer
42 views

working with stellar spectra in fits format in python

Hey I am new to working with astronomical data in Python. I wanted to start working with stellar spectra and I am having trouble with the data. To get a first look I just wanted to plot a spectra (...
4
votes
1answer
340 views

Algorithm to fit galaxies

Do you know of any other data analysis algorithm that fits 2-D analytic functions to galaxies and point sources directly to digital images, other than GALFIT? Especially to subtract lens light from ...
3
votes
0answers
119 views

Issues in dimensions and slicing while plotting contours over a FITS Image in Astronomical Plotting Library in python (APLpy)

I have been trying to plot the contours of a FITS image over itself in APLpy. The image was created in AIPS, and has dimensions (1024,1024,1,1), viz., right ascension (RA--SIN), declination (DEC--SIN),...
2
votes
0answers
20 views

superimpose borders of several FITS on the sky map

I have several FITS files with correct WCS info (as far as I know) and want to project them or preferably their borders only in the same sky projection, so it will be easy to understand an actual ...
0
votes
0answers
181 views

Lightkurve from fits. file to csv - AttributeError: 'str' object has no attribute 'to_frame

I am trying to convert a TESS file into a csv file, using the to_csv function within the lightkurve package. I have tried: ...
1
vote
0answers
19 views

How can I create a mask for a fits image?

I need to create a mask of a fits image. By this I mean that I want to create the image that covers all secondary objects from the original image except the one is in the center. I have some routines ...
2
votes
2answers
62 views

How to invert fits headers order (primary/secondary)?

I have an image from Hubble telescope with two headers and this creates a problem because my program expects the NAXIS, NAXIS1, NAXIS2 in the first header, but in this image case, this info is in the ...
0
votes
1answer
432 views

How can I crop a fits file and get correct WCS header info without a new plate solve and WITHOUT USING PYTHON?

While my question is similar to this one, the suggestions offered there won't work for my specific situation. For over a month I've been trying to find software capable of this but it's been an ...