| 1. |
- Belskaya, IN, et al.
(författare)
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Physical properties of M class asteroids
- 1996
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Ingår i: PLANETARY AND SPACE SCIENCE. - : PERGAMON-ELSEVIER SCIENCE LTD. - 0032-0633. ; 44:8, s. 783-794
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Tidskriftsartikel (refereegranskat)abstract
- The available data on M class asteroids have been collected and analysed. The possible number of M-asteroids in the main asteroid belt larger than 30 km was estimated to be about 90 objects. A list of the 60 asteroids currently classified as M is presente
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| 2. |
- DAHLGREN, M, et al.
(författare)
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A STUDY OF HILDA ASTEROIDS .1. CCD SPECTROSCOPY OF HILDA ASTEROIDS
- 1995
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Ingår i: ASTRONOMY AND ASTROPHYSICS. - : SPRINGER VERLAG. - 0004-6361. ; 302:3, s. 907-914
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Tidskriftsartikel (refereegranskat)abstract
- Reflectance spectra with a wavelength coverage between 4000-9100 Angstrom have been obtained for eight Hilda asteroids with the 2.2m telescope at the European Southern Observatory in Chile. From the obtained spectra we determined the Tholen taxonomy for f
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| 3. |
- Dahlgren, M, et al.
(författare)
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A study of Hilda asteroids .2. Compositional implications from optical spectroscopy
- 1997
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Ingår i: ASTRONOMY AND ASTROPHYSICS. - : SPRINGER VERLAG. - 0004-6361. ; 323:2, s. 606-619
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Tidskriftsartikel (refereegranskat)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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| 4. |
- Dahlgren, M, et al.
(författare)
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A study of Hilda asteroids - V. Lightcurves of 47 Hilda asteroids
- 1998
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Ingår i: ICARUS. - : ACADEMIC PRESS INC. - 0019-1035. ; 133:2, s. 247-285
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Tidskriftsartikel (refereegranskat)abstract
- The results of a photometric survey of Hilda asteroids are presented. We have obtained 224 lightcurves of 47 Hilda asteroids. A wide span of rotation periods have been found, ranging from 2.851 to 31 h. However, indications of rotation periods longer than
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| 5. |
- Dahlgren, M, et al.
(författare)
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A study of Hilda asteroids - VI. Analysis of the lightcurve properties
- 1999
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Ingår i: ICARUS. - : ACADEMIC PRESS INC. - 0019-1035. ; 138:2, s. 259-267
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Tidskriftsartikel (refereegranskat)abstract
- The lightcurves of 47 Hilda asteroids presented in Dahlgren et al, (1998, Icarus 133, 247-285) have been analyzed. The Hilda population has mean lightcurve amplitudes significantly larger than those of main-belt asteroids of similar sizes, This is due to
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| 6. |
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| 7. |
- Erikson, A, et al.
(författare)
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The near-Earth objects follow-up program - III. 3 lightcurves for 12 objects from 1992 and 1995
- 2000
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Ingår i: ICARUS. - : ACADEMIC PRESS INC. - 0019-1035. ; 147:2, s. 487-497
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Tidskriftsartikel (refereegranskat)abstract
- In this paper we present lightcurves and physical parameters for nine near-Earth objects (NEOs) (433 Eros, 1917 Cuyo, 2368 Beltrovata, 3753 Cruithne, 4769 Castalia, 4953 1990 MU, 6491 1991 OA, 1995 EK1, and 1995 FJ) and three Mars crossers (5738 Billpicke
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| 8. |
- Hahn, G, et al.
(författare)
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The recent orbital history of periodic Comet P/Lagerkvist (1996 R2)
- 1999
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Ingår i: ICARUS. - : ACADEMIC PRESS INC. - 0019-1035. ; 140:2, s. 462-463
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Tidskriftsartikel (refereegranskat)abstract
- Numerical integrations of 99 orbits centered on that of Comet P/Lagerkvist (P/1996R2) and of the original orbit were made 70 years backward in time and 200 years into the future. The integrations show that this comet, belonging to the quasi-Hildas (G. Tan
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| 9. |
- Hernius, O, et al.
(författare)
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Astrometry of outer Jovian satellites from the Uppsala-ESO survey of asteroids and comets (UESAC)
- 1996
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Ingår i: ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES. - : EDITIONS PHYSIQUE. - 0365-0138. ; 115:2, s. 295-296
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Tidskriftsartikel (refereegranskat)abstract
- In the course of The Uppsala-ESO Survey of Asteroids and Comets astrometric positions of the faint outer Jovian satellites J VI-XIII were obtained from photographic plates and films taken at the European Southern Observatory, La Silla, Chile and at the An
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| 10. |
- Hernius, O, et al.
(författare)
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UESAC - The Uppsala-ESO survey of asteroids and comets
- 1997
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Ingår i: ASTRONOMY AND ASTROPHYSICS. - : SPRINGER VERLAG. - 0004-6361. ; 318:2, s. 631-638
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Tidskriftsartikel (refereegranskat)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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