Документ взят из кэша поисковой машины. Адрес оригинального документа : http://www.arcetri.astro.it/science/irlab/doc/segovia_giano.pdf Дата изменения: Thu Jul 28 18:28:22 2005 Дата индексирования: Sat Dec 22 07:44:27 2007 Кодировка: Поисковые слова: http astrokuban.info astrokuban

The High and Low Resolution Spectrograph for TNG
Carlo Baffa INAF ­ Arcetri Observatory


The Giano Collaboration
The Giano Collaboration consists of:


INAF ­ Arcetri Observatory INAF ­ Bologna Observatory INAF ­ Catania Observatory INAF ­ Centro Galileo Galilei ­ La Palma INAF ­ Padova Observatory INOA ­ Firenze Silo ­ Optical Industries ­ Firenze Tomelleri ­ Mechanical Projects
http://www.bo.astro.it/giano


Giano Team


Principal Investigator L. Origlia Project Manager E. Oliva Project Scientist R. Maiolino Scientific Coordinator R. Gratton Optics & Cryo-Mechanics S. Gennari, C. Del Vecchio, I. Mochi, G. Falcini, G. Marcucci, P. Sandri, R. Tomelleri Control Software C. Baffa, E. Giani, F. Mannucci Electronics & Array V. Biliotti ,M. Sozzi, M. Gonzales, High-Level Software E. Rossetti Polarimetric Mode F. Leone , P. Bruno Data Reduction P. Montegriffo WEB Site M. Lolli Absorption Cells F. D'Amato TNG integration E. Oliva, F. Ghinassi, M. Lodi Administration A. Piccioni


Giano: Observing Modes
Mode Slit Resolution Range 25,000 0.9-2.5 mm 500 0.9-2.5 mm 200 0.7-2.5 mm

High-Res 6.5" Low-Res 30" V-Low-Res 30"

(not from first light)

Long-slit 30" 25,000 single order + Polarimetry + IFU


Echelle Mode


Low and Very Low Resolution


Giano Expected Performances



HR mode R=25000, 1"/1" , eff. 17% J=16.4 s/n=10 1hr H=15.9 s/n=10 1hr K=14.7 s/n=10 1hr



LR mode R=500, 1"/1" , eff. 23% J=19.2 s/n=10 1hr H=18.2 s/n=10 1hr K=17.2 s/n=10 1hr


Giano Layout


Giano External Optics


Giano Optical Layout


Inside View


Inside View - Side


Details of Mechanics


Giano Detector


2K x 2K Hawaii2 18 mm Pixel Pitch 0.7-2.5 mm range Multiple Modes Low Dark Current (<1 e-/sec) Low Read Noise (<10 e-) Q.E. > 60% 3-6 mV/eWell Capacity ~ 105 eLow Glowing


Electronics



Giano Probable Timeline


Summer 2005 Fall 2005 Winter 2005 Spring 2006 Summer 2006 Fall 2006 Winter 2006





All acquisition system All optics ordered All mechanics and optics in house First system integration Shipping to telescope First Light Scientific observations