First Last - Homework #5



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%matplotlib inline

import numpy as np
import astropy.units as u
import matplotlib.pyplot as plt

from astroplan import Observer, FixedTarget
from astropy.time import Time
from astropy.coordinates import SkyCoord
from astroplan.plots import plot_sky, plot_airmass

import warnings
warnings.filterwarnings('ignore', category=Warning)

Planning observations

I have given you data on three observatories and three celestial targets. Your job is to determine the best time of year and the best observatory to observe each of the three targets.

The best time of year should be a two week period of time during the year 2017.
Pick a single night durning this two week time period.
A review of astronomical coordinates can be found here

30 Doradus (NGC 2070)



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HD 209458



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M51



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Observatories

Mauna Kea Observatories (Mauna Kea, Hawaii)

lat = 19.8244 deg
lon = -155.4733 deg
elevation = 4159 m

Siding Spring Observatory (Coonabarabran, Australia)

lat = -31.2733 deg
lon = 149.0644 deg
elevation = 1165 m

Roque de los Muchachos Observatory (La Palma, Canary Islands)

lat = 28.7636 deg
lon = -17.8947 deg
elevation = 2396 m

Targets

30 Doradus (NGC 2070) - HII Region
HD 209458 - G-Type star with a transiting exoplanet
M51 - Spiral Galaxy

You can SIMBAD to find the ICRS (International Celestial Reference System) coordinates for the targets, or try the FixedTarget.from_name() function

Due Tue Nov 01 - 5pm

Make sure to change the filename to your name!
Make sure to change the Title to your name!
File -> Download as -> HTML (.html)
upload your .html and .ipynb file to the class Canvas page