Optical Modulation in the X-Ray Binary 4U 1543–624 Revisited

The X-ray binary 4U 1543–624 has been provisionally identified as an ultra-compact system with an orbital period of ≃ 18 min. We have carried out time-resolved optical imaging of the binary to verify the ultra-short orbital period. Using 140 min of high-cadence r′-band photometry, we recover the pre...

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Bibliographic Details
Main Authors: Wang, Z., Tziamtzis, A., Kaplan, D. L., Chakrabarty, Deepto
Other Authors: Kavli Institute for Astrophysics and Space Research
Format: Article
Language:en_US
Published: CSIRO Publishing 2017
Online Access:http://hdl.handle.net/1721.1/108164
https://orcid.org/0000-0001-8804-8946

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