Velocity Offset Between Emission and Absorption Lines Might Be an Effective Indicator of a Dual Core System
This paper presents the detection of a significant velocity offset between the emission and absorption lines of a dual core system in SDSS J155708.82+273518.74 (=SDSS J1557). The photometric image of SDSS J1557 exhibits two clear cores with a projected separation of ∼2.″2 (4.9 kpc) determined by GAL...
Main Authors: | Qi Zheng, Shuang Liu, Xueguang Zhang, Qirong Yuan |
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Format: | Article |
Language: | English |
Published: |
IOP Publishing
2023-01-01
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Series: | The Astrophysical Journal |
Subjects: | |
Online Access: | https://doi.org/10.3847/1538-4357/acaafe |
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