Wolf 1130: A Nearby Triple System Containing a Cool, Ultramassive White Dwarf

@article{Mace2018Wolf1A,
  title={Wolf 1130: A Nearby Triple System Containing a Cool, Ultramassive White Dwarf},
  author={G. Mace and A. Mann and B. Skiff and C. Sneden and D. Kirkpatrick and A. Schneider and B. Kidder and N. Gosnell and Hwihyun Kim and B. W. Mulligan and L. Prato and D. Jaffe},
  journal={arXiv: Solar and Stellar Astrophysics},
  year={2018}
}
Following the discovery of the T8 subdwarf WISEJ200520.38+542433.9 (Wolf 1130C), with common proper motion to a binary (Wolf 1130AB) consisting of an M subdwarf and a white dwarf, we set out to learn more about the old binary in the system. We find that the A and B components of Wolf 1130 are tidally locked, which is revealed by the coherence of more than a year of V band photometry phase folded to the derived orbital period of 0.4967 days. Forty new high-resolution, near-infrared spectra… Expand
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