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WISE J135501.90-825838.9 is a Nearby, Young, Extremely Low-mass Substellar Binary

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arxiv 2005.07096 v1 pith:Q6XWRFHV submitted 2020-05-13 astro-ph.SR astro-ph.EP

WISE J135501.90-825838.9 is a Nearby, Young, Extremely Low-mass Substellar Binary

classification astro-ph.SR astro-ph.EP
keywords wisej135501binarydoradusmathrmmemberparallaxsolution
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We present a parallax solution for WISE J135501.90-825838.9, a spectral binary with spectral types L7+T7.5 and candidate AB Doradus member. Using $WISE$ astrometry, we obtain a distance of $d = 16.7\pm5.3$ pc. This preliminary parallax solution provides further evidence that WISE J135501.90-825838.9 is a member of AB Doradus (130-200 Myr), and when combined with evolutionary models predicts masses of 11 $M_\mathrm{Jup}$ and 9 $M_\mathrm{Jup}$ for both components.

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