Commit 1728b12e authored by Yan Zhaojun's avatar Yan Zhaojun
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update

parent 2e4d01ad

csst_ifs_sim/__pycache__/csst_ifs_sim.cpython-311.pyc

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+210 KiB

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csst_ifs_sim/csst_ifs_sim.py

+5 −5
Original line number Diff line number Diff line
@@ -1211,17 +1211,17 @@ def LSR_velocity(ra, dec, velocity, Obstime): 
    # convert ra and dec to

    source = SkyCoord(ra*u.deg, dec*u.deg, frame='icrs',

                      unit=(u.hourangle, u.deg))

    ll = source.galactic.l.deg

    al = source.galactic.l.deg

    b = source.galactic.b.deg

    c = SkyCoord(ll=ll*u.degree, b=b*u.degree, frame='galactic')

    c = SkyCoord(l=al*u.degree, b=b*u.degree, frame='galactic')

    c_icrs = c.transform_to('icrs')

    barycorr = c_icrs.radial_velocity_correction(

        obstime=Time(Obstime), location=local)

    velocity = velocity + barycorr.value/1000

    # print(barycorr.value/1000)

    ll = ll * np.pi / 180

    cl = al * np.pi / 180

    b = b * np.pi / 180

    return velocity + 9 * np.cos(ll) * np.cos(b) + 12 * np.sin(ll) * np.cos(b) + 7 * np.sin(b)

    return velocity + 9 * np.cos(cl) * np.cos(b) + 12 * np.sin(cl) * np.cos(b) + 7 * np.sin(b)



###############################################################################
@@ -3477,7 +3477,7 @@ class IFSsimulator(): 
        # add random pointing error to telescope, the telescope poingt parameter in

        # fits header have random pointing error

        ud_ra = np.random.random()   # Choose a random shift in arcsec

        self.information['ra_pnt0'] = self.information['dec_pnt0']+0.01*ud_ra

        self.information['ra_pnt0'] = self.information['ra_pnt0']+0.01*ud_ra



        ud_dec = np.random.random()

        self.information['dec_pnt0'] = self.information['dec_pnt0']+0.01*ud_dec