Resolving the planetesimal belt of HR 8799 with ALMA

The star HR 8799 hosts one of the largest known debris discs and at least four giant planets. Previous observations have found evidence for a warm belt within the orbits of the planets, a cold planetesimal belt beyond their orbits and a halo of small grains. With the infrared data, it is hard to dis...

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Veröffentlicht in:	Monthly notices of the Royal Astronomical Society. Letters 2016-07, Vol.460 (1), p.L10-L14
Hauptverfasser:	Booth, Mark, Jordán, Andrés, Casassus, Simon, Hales, Antonio S., Dent, William R. F., Faramaz, Virginie, Matrà, Luca, Barkats, Denis, Brahm, Rafael, Cuadra, Jorge
Format:	Artikel
Sprache:	eng
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