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| Query : 2008AJ....135.1785J |
2008AJ....135.1785J - Astron. J., 135, 1785-1792 (2008/May-0)
Pollution of single white dwarfs by accretion of many small asteroids.
JURA M.
Abstract (from CDS):
Extrapolating from the solar system's asteroid belt, we propose that externally contaminated white dwarfs without an infrared excess may be experiencing continuous accretion of gas-phase material that is ultimately derived from the tidal destruction of multiple small asteroids. If this scenario is correct, then observations of metal-polluted white dwarfs may lead to determination of the bulk elemental compositions of ensembles of extrasolar minor planets.
Abstract Copyright: ∼
Journal keyword(s): planetary systems - white dwarfs
Simbad objects: 13
| Number of rows : 13 |
| N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2026 |
#notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | GD 408 | WD* | 00 05 06.8206130400 | +73 13 09.383025900 | 14.27 | 14.4 | DB4 | 82 | 0 | |||
| 2 | EGGR 513 | WD* | 01 03 24.5382532656 | -06 32 10.895411436 | 13.92 | 13.91 | DB3 | 52 | 0 | |||
| 3 | GD 40 | WD* | 03 02 53.1037481136 | -01 08 33.798683976 | 15.479 | 15.384 | DBZ4 | 187 | 0 | |||
| 4 | GD 61 | WD* | 04 38 39.3740627256 | +41 09 32.353957332 | 13.801 | 14.767 | 14.879 | 14.932 | 14.970 | DBAZ3 | 112 | 0 |
| 5 | GALEX J122859.9+104032 | WD* | 12 28 59.9341604496 | +10 40 33.045988944 | DAZe: | 152 | 0 | |||||
| 6 | LAWD 52 | WD* | 13 38 50.4780906644 | +70 17 07.640657534 | 11.807 | 12.54 | 12.60 | 13.01 | 12.979 | DA2.4 | 234 | 0 |
| 7 | EGGR 298 | WD* | 14 58 06.4884482642 | +29 37 29.515263565 | 15.86 | 15.3 | DA6.8 | 99 | 0 | |||
| 8 | PG 1633+434 | WD* | 16 35 01.4291783063 | +43 17 36.347179696 | 15.26 | 14.5 | DAZ7.6 | 85 | 0 | |||
| 9 | GD 362 | WD* | 17 31 34.3168718112 | +37 05 20.711767812 | 16.3 | 16.4 | DAZB | 200 | 0 | |||
| 10 | GD 378 | WD* | 18 23 37.0114872120 | +41 04 02.107466472 | 13.246 | 14.208 | 14.288 | 14.324 | 14.379 | DBAZ4 | 84 | 0 |
| 11 | LP 817-1 | PM* | 21 07 21.2525242248 | -19 06 35.489757528 | 17.93 | ~ | 3 | 0 | ||||
| 12 | GD 233 | WD* | 21 33 34.8532715208 | -04 32 24.116794224 | 14.45 | 14.50 | DB4 | 43 | 0 | |||
| 13 | HS 2253+8023 | WD* | 22 54 35.7124764456 | +80 39 53.794385208 | 16.02 | 16.11 | DBAZ3.4 | 47 | 0 |
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