- E. Furlan et al, "HD 98800: A 10-Myr-Old Transition Disk", arXiv:0705.0380
- "Planets with Four Parents? Spitzer Finds Evidence for Strange Stellar Family", Spitzer Science Center, July 2007.
Artist's impression of HD 98800 , NASA/JPL-Caltech/T. Pyle (SSC)
HD 98800 is a quadruple star system located in the TW Hydrae association. The system consists of four T Tauri stars orbiting as a pair of stellar binaries, designated HD 98800A and HD 98800B and separated by 50 AU. HD 98800B is circled by debris ring extending to 5.9 AU from the barycenter of the system and which is consistent with models of planet formation, having an age of about 10 million years. Observations by the Spitzer Space Telescope indicate that HD 98800B may have a planet orbiting it as well at a distance of 1.5 to 2 AU.
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