SIMBAD references

2015ApJ...807L..13W - Astrophys. J., 807, L13 (2015/July-1)

New extinction and mass estimates of the low-mass companion 1RXS 1609 b with the Magellan AO system: evidence of an inclined dust disk.

WU Y.-L., CLOSE L.M., MALES J.R., BARMAN T.S., MORZINSKI K.M., FOLLETTE K.B., BAILEY V.P., RODIGAS T.J., HINZ P., PUGLISI A., XOMPERO M. and BRIGUGLIO R.

Abstract (from CDS):

We used the Magellan adaptive optics system to image the 11 Myr substellar companion 1RXS 1609 B at the bluest wavelengths to date (z' and Ys). Comparison with synthetic spectra yields a higher temperature than previous studies of and significant dust extinction of mag. Mass estimates based on the DUSTY tracks gives 0.012-0.015, making the companion likely a low-mass brown dwarf surrounded by a dusty disk. Our study suggests that 1RXS 1609 B is one of the ∼25% of Upper Scorpius low-mass members harboring disks, and it may have formed like a star and not a planet out at ∼320 AU.

Abstract Copyright: ∼

Journal keyword(s): brown dwarfs - instrumentation: adaptive optics - planetary systems - planets and satellites: individual: 1RXS 160929.1-210524 B - stars: individual: 1RXS 160929.1-210524 - stars: pre-main sequence

Simbad objects: 16

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