THE OPTICAL VARIABILITY OF SDSS QUASARS FROM MULTI-EPOCH SPECTROSCOPY. II. COLOR VARIATION
Authors: Hengxiao Guo (郭恒潇) and Minfeng Gu
2016 The Astrophysical Journal82226.
Provider: AAS Journals
Caption: Figure 3.
Variability vs. redshift. As designed, our sources are limited to have redshift z ≥ 0.3 and variability Δf > 10% (see the text for details). Most sources at z > 2.15 are from BOSS.