GRIF, the new 3D spectroscopic mode of the CFHT adaptive optics system:: Presentation and first results

被引：0

作者：

Clénet, Y ^{[1
]}

le Coarer, E ^{[1
]}

Joncas, G ^{[1
]}

Beuzit, JL ^{[1
]}

Rounan, D ^{[1
]}

Chalabaev, A ^{[1
]}

Rabou, P ^{[1
]}

Arsenault, R ^{[1
]}

Delage, C ^{[1
]}

Marlot, C ^{[1
]}

Vallée, P ^{[1
]}

Grundseth, B ^{[1
]}

Thomas, J ^{[1
]}

Calder, B ^{[1
]}

Forveille, T ^{[1
]}

Lai, O ^{[1
]}

Lacombe, F ^{[1
]}

机构：

[1] Observ Paris, LESIA, F-92190 Meudon, France

来源：

GALAXIES: THE THIRD DIMENSION | 2002年 / 282卷

关键词：

D O I：

暂无

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

GRIF is a new observing mode of PUEO, the CFHT adaptive optics system, and its near-infrared camera KIR. It is a K-band 3D spectrograph, made of an ambient-temperature Fabry-Perot and a cooled grism located inside the KIR cryostat. With a spectral resolution of 12000, the Fabry-Perot selects quasi-monochromatic images that are spatially dispersed by the grism. Masks supported by a focal-plane wheel in the cryostat prevent the overlapping of these images. Thus, GRIF combines a high angular resolution with spectroscopic capabilities. After the interferometer's installation in December 2000, we have obtained the first GRIF images in the OMC-1 region, in the H-2 v=1-0 S(1) line. More recently, two other observing modes of GRIF have been tested: the cronographic mode and the long-slit mode. The instrument and the first results from these observations have been presented at this conference.

引用

页码：457 / 464

页数：8

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