3C 273: A Star-Like Object with Large Red-Shift by Maarten Schmidt
= 3C 273: A Star-Like Object with Large Red-Shift by Maarten Schmidt
{c}
{tag=Work by Maarten Schmidt}
{title2=1963}
Nature 197, 1040.
https://doi.org/10.1038/1971040a0
https://phas.ubc.ca/~heyl/ASTR304_2003W/papers/schmidt.pdf[Scan of the original paper]
Page 1040 and Table 1: 200-inch telescope spectroscopy, identification of Balmer lines at redshift 0.158, and the extragalactic interpretation.