Read LAMOST Low-Resolution Spectra

Hi, this is an example notebook.

An example equation: \(E=mc^2\)

A subtitle

A subsubtitle

Code and figures are below

[7]:

from laspec.test import get_test_data
test_file_path = get_test_data("lamost/dr12v0/random_pick/spec-60232-LN023504N072815VB01_sp04-134.fits.gz")
print(test_file_path)

/Users/cham/PycharmProjects/laspec/test_data/lamost/dr12v0/random_pick/spec-60232-LN023504N072815VB01_sp04-134.fits.gz

[8]:

from laspec import MrsSpec
spec = MrsSpec.from_lrs(test_file_path)

[22]:

import matplotlib.pyplot as plt
plt.rcParams["font.size"] = 20

fig, ax = plt.subplots(1,1,figsize=(10,5), dpi=150)
ax.plot(spec.wave, spec.flux, lw=1)
ax.set_xlabel("$\\lambda [\\mathrm{\\AA}]$")
ax.set_ylabel("Flux (arbitrary unit)")
fig.tight_layout()

../_images/tutorials_read_lamost_lrs_3_0.png

[24]:

import matplotlib.pyplot as plt
plt.rcParams["font.size"] = 20

fig, ax = plt.subplots(1,1,figsize=(10,5), dpi=150)
ax.plot(spec.wave, spec.flux_norm, lw=1)
ax.set_xlim(4000, 6000)
ax.set_xlabel("$\\lambda [\\mathrm{\\AA}]$")
ax.set_ylabel("Normalized Flux")
fig.tight_layout()

../_images/tutorials_read_lamost_lrs_4_0.png

[25]:

spec.bjdmid

[25]:

np.float64(2460232.261363672)

[26]:

spec.bjdmid+1

[26]:

np.float64(2460233.261363672)

[32]:

import numpy as np
spec.jdbeg

[32]:

np.float64(2460232.234821238)

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