Cometary dust in the debris disks of hd 31648 and hd 163296: two ``baby'' beta pics

The debris disks surrounding the pre-main sequence stars HD 31648 and HD 163296 were observed spectroscopically between 3 and 14 microns. Both possess a silicate emission feature at 10 microns which resembles that of the star beta Pictoris and those observed in solar system comets. The structure of the band is consistent with a mixture of olivine and pyroxene material, plus an underlying continuum of unspecified origin. The similarity in both size and structure of the silicate band suggests that the material in these systems had a processing history similar to that in our own solar system prior to the time that the grains were incorporated into comets.

References(26)

Figures(0)

- Astron.J. 96 1415

- Science 265 925

- Geochim.Cosmochim.Acta 58 2123

- Astrophys.J. 394 643

- Meteoritics 30 133

- Science 275 1904

- Mon.Not.Roy.Astron.Soc. 252 50

- NOONE 120 157

- Astrophys.J. 483 449

- Astrophys.J.Suppl. 4 337

- Nature 275 1907

- Astrophys.J. 418 440

- Astron.Astrophys. 110 355

- Icarus 100 197

- Astron.Astrophys. 332 L25

- Nature 388 127

- Astrophys.J. 490 792

- Astrophys.J. 319 L23

- Space Sci.Rev. 82 407

Formation of the Giant Planets by Concurrent Accretion of Solids and Gas

James B. Pollack
(
- NASA, Ames and
- Lick Observ. and
- Plattsburgh State U. Coll. and
- Tel Aviv U.
)
,
Olenka Hubickyj
(
- NASA, Ames and
- Lick Observ. and
- Plattsburgh State U. Coll. and
- Tel Aviv U.
)
,
Peter Bodenheimer
(
- NASA, Ames and
- Lick Observ. and
- Plattsburgh State U. Coll. and
- Tel Aviv U.
)
,
Jack J. Lissauer
(
- NASA, Ames and
- Lick Observ. and
- Plattsburgh State U. Coll. and
- Tel Aviv U.
)
,
Morris Podolak
(
- NASA, Ames and
- Lick Observ. and
- Plattsburgh State U. Coll. and
- Tel Aviv U.
)

et al.

- Icarus 124 (1996) 62-85
•
DOI:
- 10.1006/icar.1996.0190

- Astron.Astrophys. 315 L381

- Astrophys.J. 291 838

- Astrophys.J. 228 780

- Astron.Astrophys. 324 L33

- Astron.Astrophys. 315 L245

1-25 of 26
1
2
25 / page