First light results from the High Efficiency and Resolution Multi-Element Spectrograph at the Anglo-Australian Telescope

被引：86

作者：

Sheinis, Andrew ^{[1
,2
]}

Anguiano, Borja ^{[3
]}

Asplund, Martin ^{[4
]}

Bacigalupo, Carlos ^{[3
]}

Barden, Sam ^{[5
]}

Birchall, Michael ^{[1
]}

Bland-Hawthorn, Joss ^{[2
]}

Brzeski, Jurek ^{[1
]}

Cannon, Russell ^{[1
]}

Carollo, Daniela ^{[3
]}

Case, Scott ^{[1
]}

Casey, Andrew ^{[6
]}

Churilov, Vladimir ^{[1
]}

Warrick, Couch ^{[1
]}

Dean, Robert ^{[1
]}

De Silva, Gayandhi ^{[1
,2
]}

D'Orazi, Valentina ^{[3
]}

Duong, Ly ^{[4
]}

Farrell, Tony ^{[1
]}

Fiegert, Kristin ^{[1
]}

Freeman, Kenneth ^{[4
]}

Gabriella, Frost ^{[1
]}

Gers, Luke ^{[1
]}

Goodwin, Michael ^{[1
]}

Gray, Doug ^{[1
]}

Green, Andrew ^{[1
]}

Heald, Ron ^{[1
]}

Heijmans, Jeroen ^{[1
,7
]}

Ireland, Michael ^{[4
]}

Jones, Damien ^{[8
]}

Kafle, Prajwal ^{[9
]}

Keller, Stefan ^{[4
]}

Klauser, Urs ^{[1
]}

Kondrat, Yuriy ^{[1
]}

Kos, Janez ^{[2
,10
]}

Lawrence, Jon ^{[1
,3
]}

Lee, Steve ^{[1
]}

Mali, Slavko ^{[1
]}

Martell, Sarah ^{[11
]}

Mathews, Darren ^{[1
]}

Mayfield, Don ^{[1
]}

Miziarski, Stan ^{[1
]}

Muller, Rolf ^{[1
]}

Pai, Naveen ^{[1
]}

Patterson, Robert ^{[1
]}

Penny, Ed ^{[1
]}

Orr, David ^{[1
]}

Schlesinger, Katharine ^{[4
]}

Sharma, Sanjib ^{[2
]}

Shortridge, Keith ^{[1
]}

机构：

[1] Australian Astron Observ, POB 915, N Ryde, NSW 1670, Australia

[2] Univ Sydney, Sch Phys, Sydney, NSW 2006, Australia

[3] Macquarie Univ, Dept Phys & Astron, N Ryde, NSW 2109, Australia

[4] Australian Natl Univ, Res Sch Astron & Astrophys, Mt Stromlo Observ, Weston, ACT 2611, Australia

[5] Leibniz Inst Astrophys Potsdam, D-14482 Potsdam, Germany

[6] Univ Cambridge, Inst Astron, Cambridge CB3 0HA, England

[7] TNO, NL-2600 AD Delft, Netherlands

[8] Prime Opt, Eumundi, Qld 4562, Australia

[9] Univ Western Australia, Int Ctr Radio Astron Res, Crawley, WA 6009, Australia

[10] Univ Ljubljana, Fac Math & Phys, Ljubljana 61000, Slovenia

[11] Univ New S Wales, Sch Phys, Sydney, NSW 2052, Australia

来源：

JOURNAL OF ASTRONOMICAL TELESCOPES INSTRUMENTS AND SYSTEMS | 2015年 / 1卷 / 03期

关键词：

spectrograph; spectroscopy; survey; Anglo-Australian Telescope; 2dF; volume phase; holographic; fiber; MULTIOBJECT SPECTROSCOPY; AAO2;

D O I：

10.1117/1.JATIS.1.3.035002

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

The High Efficiency and Resolution Multi Element Spectrograph, HERMES, is a facility-class optical spectrograph for the Anglo-Australian Telescope (AAT). It is designed primarily for Galactic Archaeology, the first major attempt to create a detailed understanding of galaxy formation and evolution by studying the history of our own galaxy, the Milky Way. The goal of the GALAH survey is to reconstruct the mass assembly history of the Milky Way through a detailed chemical abundance study of one million stars. The spectrograph is based at the AAT and is fed by the existing 2dF robotic fiber positioning system. The spectrograph uses volume phase holographic gratings to achieve a spectral resolving power of 28,000 in standard mode and also provides a high-resolution mode ranging between 40,000 and 50,000 using a slit mask. The GALAH survey requires an SNR greater than 100 for a star brightness of V = 14 in an exposure time of one hour. The total spectral coverage of the four channels is about 100 nm between 370 and 1000 nm for up to 392 simultaneous targets within the 2-degree field of view. HERMES has been commissioned over three runs, during bright time in October, November, and December 2013, in parallel with the beginning of the GALAH pilot survey, which started in November 2013. We present the first-light results from the commissioning run and the beginning of the GALAH survey, including performance results such as throughput and resolution, as well as instrument reliability. (C) The Authors. Published by SPIE under a Creative Commons Attribution 3.0 Unported License.

引用

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