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- Dahlgren, M, et al.
(author)
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A study of Hilda asteroids .2. Compositional implications from optical spectroscopy
- 1997
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In: ASTRONOMY AND ASTROPHYSICS. - : SPRINGER VERLAG. - 0004-6361. ; 323:2, s. 606-619
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Journal article (peer-reviewed)abstract
- We obtained 49 reflectance spectra of 23 Hilda asteroids in the wavelength ranges 3850-7650 and 3850-10150 Angstrom during two observing runs in 1992. The primitive D-types dominate and comprise 34% of the numbered Hilda asteroids, while 28% and 2% are P
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2. |
- Hernius, O, et al.
(author)
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UESAC - The Uppsala-ESO survey of asteroids and comets
- 1997
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In: ASTRONOMY AND ASTROPHYSICS. - : SPRINGER VERLAG. - 0004-6361. ; 318:2, s. 631-638
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Journal article (peer-reviewed)abstract
- More than 15 000 positions of moving objects have been detected on 74 plates and films obtained at the European Southern Observatory in Chile and the Anglo-Australian Observatory in Australia during Jupiter's oppositions in 1992 and 1993. Two or more posi
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5. |
- Lagerkvist, CI, et al.
(author)
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The number density of main-belt asteroids
- 1997
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In: ASTRONOMISCHE NACHRICHTEN. - : WILEY-V C H VERLAG GMBH. - 0004-6337. ; 318:6, s. 391-393
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Journal article (peer-reviewed)abstract
- In this paper we have studied how the number density of asteroids varies as a function of the mean distance from the sun.
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7. |
- Warell, J, et al.
(author)
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Dust morphology of the inner coma of C/1995 O1 (Hale-Bopp)
- 1997
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In: EARTH MOON AND PLANETS. - : KLUWER ACADEMIC PUBL. - 0167-9295. ; 78:1-3, s. 197-203
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Journal article (peer-reviewed)abstract
- Dust continuum imaging of comet C/1995 O1 (Hale-Bopp) was carried out with the Swedish Vacuum Solar Telescope (SVST) on La Palma in April, 1997. Images were reduced according to standard procedure, aligned, averaged, navigated and enhanced with azimuthal
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