Skip to content
Snippets Groups Projects
Commit 0bb817d9 authored by Heneka, Dr. Caroline's avatar Heneka, Dr. Caroline
Browse files

Upload New File

parent 48695764
No related branches found
No related tags found
No related merge requests found
%% Cell type:code id: tags:
``` python
import numpy as np
import sys
import os
import subprocess
import astropy.io.fits as pyfits
sdss_path = 'https://data.sdss.org/sas/dr16/sdss/spectro/redux/26/spectra/'
boss_path = 'https://data.sdss3.org/sas/dr12/boss/spectro/redux/v5_7_0/spectra/'
from astroquery.sdss import SDSS
from astropy.coordinates import SkyCoord # High-level coordinates
from astropy.coordinates import ICRS
import astropy.units as u
import requests
########## Input ##########
targer_directory = 'F:\data\spectral_fits_big\\'
class_names = ['star','galaxy', 'QSO', 'AGN']
## Queries für star, galaxy, quasar und AGN
query1 = "SELECT top 1100 plate, mjd, min(fiberid) as fiberid, class FROM SpecObj WHERE class = 'star' GROUP BY plate, mjd, class ORDER BY plate, mjd, class"
query2 = "SELECT top 1100 plate, mjd, min(fiberid) as fiberid, class FROM SpecObj WHERE class = 'galaxy' AND subClass != 'AGN' GROUP BY plate, mjd, class ORDER BY plate, mjd, class"
query3 = "SELECT top 1100 plate, mjd, min(fiberid) as fiberid, class FROM SpecObj WHERE class = 'QSO' AND subClass != 'AGN' GROUP BY plate, mjd, class ORDER BY plate, mjd, class"
query4 = "SELECT top 1100 plate, mjd, min(fiberid) as fiberid, class FROM SpecObj WHERE subClass = 'AGN' GROUP BY plate, mjd, class ORDER BY plate, mjd, class"
########## Program ##########
queries = [query1, query2, query3, query4]
for i in range(4):
sdss = SDSS.query_sql(queries[i])
speclist = open('speclist.txt', 'w')
for plate, mjd, fiberid in zip(sdss['plate'],sdss['mjd'],sdss['fiberid']):
speclist.write("%04d/spec-%04d-%d-%04d.fits \n" %(plate, plate, mjd, fiberid))
speclist.close()
with open('speclist.txt', 'r') as f:
names = f.readlines()
for item in names:
name = item[:-2]
url = sdss_path + name
r = requests.get(url)
target_file = targer_directory + class_names[i] + '\\' + name[5:]
with open(target_file,'wb') as f:
f.write(r.content)
```
%% Cell type:code id: tags:
``` python
import requests
url = "https://data.sdss.org/sas/dr16/eboss/spectro/redux/v5_13_0/platelist.fits"
r = requests.get(url)
with open("platelist.fits",'wb') as f:
f.write(r.content)
```
%% Cell type:code id: tags:
``` python
```
0% Loading or .
You are about to add 0 people to the discussion. Proceed with caution.
Please register or to comment