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1569.
| Science Article (Ref.) CCD photometry and astrometry for visual double and multiple stars of the HIPPARCOS catalogue. I. Presentation of the large scale project
/ Oblak, E. ; Lampens, P. ; Cuypers, J. ; Halbwachs, J. L. ; et al
published in Astronomy and Astrophysics, 346, pp. 523-531 (1999)
[ASTROimport-13]
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1570.
| Science Article (Ref.) The solar abundance of iron and the photospheric model
/ Grevesse, N. ; Sauval, A. J.
published in Astronomy and Astrophysics, 347, pp. 348-354 (1999)
[ASTROimport-12]
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1571.
| Science Article (Ref.) Les Léonides de 1998: que s'est-il passé exactement? Appendice.
/ Sauval, J.
published in Ciel et Terre, 115, pp. 164-166 (1999)
[ASTROimport-11]
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1572.
| Science Article (Ref.) CCD photometry and astrometry of visual double and multiple stars of the HIPPARCOS Catalogue. II. CCD photometry and differential astrometry of 288 southern ``Intermediate'' systems
/ Cuypers, J. ; Seggewiss, W.
published in Astronomy and Astrophysics Supplement Series, 139, pp. 425-431 (1999)
10.1051/aas:1999512
[ASTROimport-10]
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1573.
| Science Article (Ref.) On the optimization of flux estimates.
/ Hensberge, H. ; David, M.
published in Baltic Astronomy, 9, pp. 644-645 (2000)
[ASTROimport-9]
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1574.
| Science Article (Ref.) CCD photometry in the Field of V959 Oph
/ van Cauteren, P. ; Lampens, P.
published in Information Bulletin on Variable Stars, 4833, pp. 1 (2000)
[ASTROimport-8]
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1575.
| Science Article (Ref.) GSC 4778 324: a New Multiperiodic delta Scuti Star
/ van Cauteren, P. ; Lampens, P.
published in Information Bulletin on Variable Stars, 4849, pp. 1 (2000)
[ASTROimport-7]
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1576.
| Science Article (Ref.) V1162 Ori: a Mono- or a Multiperiodic High-amplitude delta Scuti Star?
/ Lampens, P. ; van Cauteren, P.
published in Information Bulletin on Variable Stars, 4857, pp. 1 (2000)
[ASTROimport-6]
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1577.
| Science Article (Ref.) delta Scuti stars in stellar systems: On the variability of HD 220392 and HD 220391
/ Lampens, P. ; Van Camp, M. ; Sinachopoulos, D.
published in Astronomy and Astrophysics, 356, pp. 895-902 (2000)
[ASTROimport-5]
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1578.
| Science Article (Ref.) Découverte d'une «petite planète» en Belgique.
/ Pauwels, T.
published in Ciel et Terre, 116, pp. 34-37 (2000)
[ASTROimport-4]
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