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Return galaxy parameters as a table #5

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Return galaxy parameters as a table #5

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35 changes: 33 additions & 2 deletions galaxies/galaxies.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
from astropy.coordinates import SkyCoord, Angle, FK5
from astroquery.ned import Ned
import astropy.units as u
from astropy.table import Table
from astropy.table import Table, Column
from astropy.io import fits
from astropy.wcs import WCS
import warnings
Expand Down Expand Up @@ -83,7 +83,8 @@ def __init__(self, name, params=None):
SkyCoord(t['RA(deg)'][0], t['DEC(deg)'][0],
frame='fk5',
unit='degree')
self.redshift = t['Redshift'][0]
self.redshift = t['Redshift'][0] * \
u.dimensionless_unscaled
except:
warnings.warn("Unsuccessful query to NED")
pass
Expand Down Expand Up @@ -176,6 +177,36 @@ def position_angles(self, skycoord=None, ra=None, dec=None,

return Angle(np.arctan2(Y, X))

def to_table(self):
'''
Return an `~astropy.table.Table` with the galactic parameters.
'''

tab = Table()

tab["Name"] = Column([self.name], unit=None)
tab["Center Position"] = Column([self.center_position])

tab["Distance"] = Column([self.distance.value],
unit=self.distance.unit)
tab["Inclination"] = Column([self.inclination.value],
unit=self.inclination.unit)
tab["PA"] = Column([self.position_angle.value],
unit=self.position_angle.unit)
tab["Vsys"] = Column([self.vsys.value],
unit=self.vsys.unit)

if self.redshift is not None:
tab["Redshift"] = Column([self.redshift.value],
unit=self.redshift.unit)
self.canonical_name = None

if self.canonical_name is not None:
tab["Canonical Name"] = Column([self.canonical_name],
unit=None)

return tab

# push or pull override table using astropy.table

# Check name equivalencies
Expand Down