A stellar coronograph for the COME-ON-PLUS adaptive optics system .1. Description and performance

被引：35

作者：

Beuzit, JL ^{[1
]}

Mouillet, D ^{[1
]}

Lagrange, AM ^{[1
]}

Paufique, J ^{[1
]}

机构：

[1] OBSERV PARIS,DESPA,URA 264,F-92195 MEUDON,FRANCE

来源：

ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES | 1997年 / 125卷 / 01期

关键词：

atmospheric effects; methods; data analysis; instrumentation; miscellaneous; stars; circumstellar matter;

D O I：

10.1051/aas:1997370

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The detection of faint emissions very close to much brighter objects is required in several different fields of astrophysics, for example in the search for planetary disks. We present here a coronograph that we built to work with COME-ON-PLUS, the ESO adaptive optics system, high angular resolution being of key importance in allowing observations close to a central, occulted object. The first results are presented and analyzed in order to establish the performance of this instrument in terms of contrast and detectability of faint emissions close to a central star.

引用

页码：175 / 182

页数：8

共 17 条

[1] ALLOIN D, 1994, NATO ASI SERIES C
[2] BEUZIT JL, 1995, THESIS
[3] THE ROLE OF DISKS IN THE FORMATION OF BINARY AND MULTIPLE STAR SYSTEMS
CLARKE, CJ
PRINGLE, JE
[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1991, 249 (04) : 588 - 595
[4] GENDRON E, 1991, P SOC PHOTO-OPT INS, V1542, P297, DOI 10.1117/12.48818
[5] GOLIMOWSKY DA, 1993, APJ, V411, P41
[6] HOFMANN R, 1992, P ESO, V42, P687
[7] The detectability of beta Pic-like circumstellar disks around nearby main sequence stars
Kalas, P
Jewitt, D
[J]. ASTRONOMICAL JOURNAL, 1996, 111 (03) : 1347 - &
[8] DUST DEPLETION IN THE INNER DISK OF BETA-PICTORIS AS A POSSIBLE INDICATOR OF PLANETS
LAGAGE, PO
PANTIN, E
[J]. NATURE, 1994, 369 (6482) : 628 - 630
[9] LAGRANGE AM, 1994, ESO MESSENGER, V76, P23
[10] LECAVELIER A, 1993, A A, V274, P877

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