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Paper: On the Distance of RS Ophiuchi
Volume: 401, RS Ophiuchi (2006) and the Recurrent Nova Phenomenon
Page: 52
Authors: Barry, R.K.; Mukai, K.; Sokoloski, J.L.; Danchi, W.C.; Hachisu, I.; Evans, A.; Gehrz, R.; Mikolajewska, J.
Abstract: An unprecedented array of astronomical observatories were brought to bear on the 2006 outburst of RS Ophiuchi. Many calculations and values derived from these measurements are sensitive to the distance. Historically, the distance to RS Oph has fallen in the range 0.5 to >5 kpc with distances in the low end of this range asserted during later epochs. We survey the literature prior to 2006 and review the various approaches taken to determine distances. We report discussion of this issue from the current epoch and make recommendations for further measurements and calculations to bound the distance. Lastly, we report that for the 2006 outburst, the canonical distance is 1.4+0.6−0.2 kpc.
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