Spectrophotometry with Hectospec, the MMT's Fiber-Fed Spectrograph
نویسندگان
چکیده
منابع مشابه
ar X iv : 0 80 9 . 10 87 v 1 [ as tr o - ph ] 5 S ep 2 00 8 Spectrophotometry with Hectospec , the MMT ’ s Fiber - Fed Spectrograph
The spectrophotometric calibration of surveys is a significant, but often neglected, issue when measuring the history of star formation by combining spectroscopic surveys conducted with different instruments. We describe techniques for photometric calibration of optical spectra obtained with the MMT’s fiber-fed spectrograph, Hectospec. The atmospheric dispersion compensation prisms built into t...
متن کاملFEROS, the Fiber-fed Extended Range Optical Spectrograph for the ESO 1.52-m Telescope
FEROS is a fiber-fed bench-mounted prism-crossdispersed echelle spectrograph for the ESO 1.52-m telescope at La Silla. It works in quasi Littrow mode and in white pupil configuration. For the object and the nearby sky, the complete optical spectrum from 370–860 nm is recorded in one exposure with a resolving power of R = 48,000 by the use of a two-beam, two-slice image slicer. A first concept o...
متن کاملFiber-assisted single-photon spectrograph
We demonstrate the implementation of a fiber-integrated spectrograph utilizing chromatic group velocity dispersion (GVD) in a single-mode fiber. By means of GVD we stretch an ultrafast pulse in time in order to spectrally resolve single photons in the time domain, detected by single-photon counting modules with very accurate temporal resolution. As a result, the spectrum of a very weak pulse is...
متن کاملRaman Imaging with a Fiber-Coupled Multichannel Spectrograph
Until now, spatially resolved Raman Spectroscopy has required to scan a sample under investigation in a time-consuming step-by-step procedure. Here, we present a technique that allows the capture of an entire Raman image with only one single exposure. The Raman scattering arising from the sample was collected with a fiber-coupled high-performance astronomy spectrograph. The probe head consistin...
متن کاملThe Spectrograph
JILA Fellow John Hall will deliver the 2006 Richard C. Lord Lecture on May 2, on “Optical clocks, combs and coherence: defining and measuring optical frequency.” Born in 1934 in Denver, Hall is an alumnus of the Carnegie Institute of Technology, where he received B.S., M.S. and Ph.D. degrees. He conducted postdoctoral studies at the Department of Commerce’s National Bureau of Standards, now cal...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Publications of the Astronomical Society of the Pacific
سال: 2008
ISSN: 0004-6280,1538-3873
DOI: 10.1086/593023