astropy code sample:
from astropy.table import Table
radius=5
target="HD12"
sed=Table.read(f"https://vizier.cds.unistra.fr/viz-bin/sed?-c={target}&-c.rs={radius}")
print(sed)
import matplotlib.pyplot as plt
import numpy as np
fig = plt.figure()
ax = fig.add_subplot()
ax.set_xlabel('freq (GHz)')
ax.set_ylabel('Flux (Jsky)')
ax.scatter(sed["sed_freq"], sed["sed_flux"])
plt.show()