Concepedia

Relative quasar luminosities determined from emission line strengths

J. A. Baldwin, William L. Burke, C. M. Gaskell, E. J. Wampler

Nature · 1978 · 80 citations · 8 references

DOI

Concepts

References

8

Luminosity Indicators in the Spectra of Quasi-Stellar Objects

J. A. Baldwin · The Astrophysical Journal · 1977 · 559 citations

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The extension of the Hubble diagram. II - New redshifts and photometry of very distant galaxy clusters - First indication of a deviation of the Hubble diagram from a straight line

J. Kristian, A. Sandage, James A. Westphal · The Astrophysical Journal · 1978 · 161 citations · Full text

, , +14

Spectrophotometry of low-redshift quasi-stellar objects

J. A. Baldwin · The Astrophysical Journal · 1975 · 94 citations

, , +10

The Ly /H  intensity ratio in the spectra of QSOs

J. A. Baldwin · Monthly Notices of the Royal Astronomical Society · 1977 · 82 citations · Full text

, , +6

Ultraviolet spectrum of quasi–stellar object 3C273

A. F. Davidsen, G. Hartig, W. G. Fastie · Nature · 1977 · 63 citations

, , +14