CHARA/MIRC-X: a high-sensitive six telescope interferometric imager concept, commissioning and early science

CHARA/MIRC-X: a high-sensitive six telescope interferometric imager concept, commissioning and early science
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CHARA/MIRC-X:高灵敏度六望远镜干涉成像仪概念、调试和早期科学

DOI:
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发表时间:
2020
期刊:
Astronomical Telescopes + Instrumentation
影响因子:
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通讯作者:
O. Majoinen
O. Majoinen
中科院分区:
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文献类型:
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作者:
N. Anugu;J. Le Bouquin;J. Monnier;S. Kraus;G. Schaefer;B. Setterholm;C. Davies;T. Gardner;A. Labdon;C. Lanthermann;J. Ennis;T. T. ten Brummelaar;J. Sturmann;M. Anderson;C. Farrington;N. Vargas;O. Majoinen

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MIRC-X是CHARA阵列上的一个六望远镜光束组合器,工作在J和H波段,提供相当于B= 331米直径望远镜的角分辨率。传统的MIRC合并器在恒星天体物理学和双星领域取得了杰出的成果。然而,我们需要更高的灵敏度来对微弱的目标进行雄心勃勃的科学测量,例如年轻的恒星物体,具有系外行星的双星系统和活动星系核。为此,MIRC-X自2017年年中开始向社区提供。MIRC-X已经证明了高达两个级别的改进微弱星等灵敏度,最佳情况下H <= 8。在这里,我们提出了一个审查的仪器和目前的早期科学成果,并强调我们正在进行的一些科学计划。
MIRC-X is a six telescope beam combiner at the CHARA array that works in J and H wavelength bands and provides an angular resolution equivalent to a B=331m diameter telescope. The legacy MIRC combiner has delivered outstanding results in the fields of stellar astrophysics and binaries. However, we required higher sensitivity to make ambitious scientific measurements of faint targets such as young stellar objects, binary systems with exoplanets, and active galactic nuclei. For that purpose, MIRC-X is built and is offered to the community since mid-2017. MIRC-X has demonstrated up to two magnitudes of improved faint magnitude sensitivity with the best-case H <= 8. Here we present a review of the instrument and present early science results, and highlight some of our ongoing science programs.
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