4.6 Article

THE QUASAR SDSS J1536+0441: AN UNUSUAL DOUBLE-PEAKED EMITTER

Related references

Note: Only part of the references are listed.
Article Multidisciplinary Sciences

A candidate sub-parsec supermassive binary black hole system

Todd A. Boroson et al.

NATURE (2009)

Article Astronomy & Astrophysics

ESI, a new Keck observatory echellette spectrograph and imager

AI Sheinis et al.

PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC (2002)