• AstroLibCoordsSnapshot

>>> import coords as C
>>> print C.__version__
0.25

#Unit conversions
>>> ob=C.Position('12:34:45.34 -23:42:32.6')
>>> ob.hmsdms()
'12:34:45.340 -23:42:32.600'
>>> ob.dd()
(188.68891666666667, -23.709055555555555)
>>> ob.rad()
(3.2932428578545374, -0.41380108198269777)

#Angular separations
>>> p1=C.Position("01:23:45.300 +65:43:31.240")
>>> p2=C.Position("01:23:45.62 +65:43:31.20")
>>> p1.angsep(p2)
0.000548 degrees
>>> delta=p1.angsep(p2)
>>> delta.arcsec()
1.973739377865491
>>> p1.within(p2,3.0,units='arcsec')
True

# Coordinate conversions
>>> ob.j2000()
(188.68891666666667, -23.709055555555555)
>>> ob.b1950()
(188.03056480942405, -23.433637283819877)
>>> ob.galactic()
(298.01638938748795, 39.003358150874568)
>>> ob.ecliptic()
(197.58457414028533, -18.294241465720475)

>>> p3=C.Position("01:23:45 -65:43:21.4",equinox='J2000')
>>> p4=C.Position("01:23:45 -65:43:21.4",equinox='B1950')
>>> p3.j2000()
(20.9375, -65.722611111111107)
>>> p4.j2000()
(21.356870704681981, -65.462921080444147)

>>> p3.angsep(p4)
0.312199 degrees

>>> p5=C.Position((0.0,0.0),system='galactic')
>>> p5.j2000()
(266.40499571858879, -28.936169261309555)


 >>> #Specify position in hmsdms
 >>> polaris=C.Position("02:31:49.08 +89:15:50.8")
 >>> polaris.dd()
 (37.954500000000003, 89.264111111111106)
 >>> polaris.hmsdms()
 "02:31:49.080 +89:15:50.800"
 >>> print polaris.details()

         System: celestial
        Equinox: J2000

 >>> #Specify position in decimal degrees
 >>> ob=C.Position((52.9860209, -27.7510006))
 >>> ob.hmsdms()
 "03:31:56.645 -27:45:03.602"
 >>> ob.dd()
 (52.9860209, -27.751000600000001)
 >>>
 >>> #Use as calculator without saving the intermediate object
 >>> C.Position("12:34:45.4 -22:21:45.4").dd()
 (188.68916666666667, -22.362611111111111)