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arXiv · 2001.05988

Robo-AO M Dwarf Multiplicity Survey: Catalog

Claire Lamman·Christoph Baranec·Zachory K. Berta-Thompson·Nicholas M. Law·Jessica Schonhut-Stasik·Carl Ziegler·Maissa Salama·Rebecca Jensen-Clem·Dmitry A. Duev·Reed Riddle·Shrinivas R. Kulkarni·Jennifer G. Winters·Jonathan M. Irwin
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Abstract

We analyze observations from Robo-AO's field M dwarf survey taken on the 2.1m Kitt Peak telescope and perform a multiplicity comparison with Gaia DR2. Through its laser-guided, automated system, the Robo-AO instrument has yielded the largest adaptive optics M dwarf multiplicity survey to date. After developing an interface to visually identify and locate stellar companions, we selected eleven lowsignificance Robo-AO detections for follow-up on the Keck II telescope using NIRC2. In the Robo-AO survey we find 553 candidate companions within 4" around 534 stars out of 5566 unique targets, most of which are new discoveries. Using a position cross match with DR2 on all targets, we assess the binary recoverability of Gaia DR2 and compare the properties of multiples resolved by both Robo-AO and Gaia. The catalog of nearby M dwarf systems and their basic properties presented here can assist other surveys which observe these stars, such as the NASA TESS mission.

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Claire Lamman, Christoph Baranec, Zachory K. Berta-Thompson, Nicholas M. Law, Jessica Schonhut-Stasik, Carl Ziegler, Maissa Salama, Rebecca Jensen-Clem, Dmitry A. Duev, Reed Riddle, Shrinivas R. Kulkarni, Jennifer G. Winters, Jonathan M. Irwin. 2020-01-16. Robo-AO M Dwarf Multiplicity Survey: Catalog. https://doi.org/10.3847/1538-3881%2Fab6ef1

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