scholarly journals MuSICa: THE MULTI-SLIT IMAGE SLICER FOR THE EST SPECTROGRAPH

2013 ◽  
Vol 02 (01) ◽  
pp. 1350009 ◽  
Author(s):  
A. CALCINES ◽  
R. L. LÓPEZ ◽  
M. COLLADOS
Keyword(s):  
Solar Physics ◽  
Optical Quality ◽  
Field Of View ◽  
Solar Telescope ◽  
Night Time ◽  
Integral Field Spectroscopy ◽  
Integral Field Spectrograph ◽  
Design Options ◽  
New Generation ◽  
Integral Field

Integral field spectroscopy (IFS) is a technique that allows one to obtain the spectra of all the points of a bidimensional field of view simultaneously. It is being applied to the new generation of the largest night-time telescopes but it is also an innovative technique for solar physics. This paper presents the design of a new image slicer, MuSICa (Multi-Slit Image slicer based on collimator-Camera), for the integral field spectrograph of the 4-m aperture European Solar Telescope (EST). MuSICa is a multi-slit image slicer that decomposes an 80 arcsec2 field of view into slices of 50 μm and reorganizes it into eight slits of 0.05 arcsec width × 200 arcsec length. It is a telecentric system with an optical quality at diffraction limit compatible with the two modes of operation of the spectrograph: spectroscopic and spectro-polarimetric. This paper shows the requirements, technical characteristics and layout of MuSICa, as well as other studied design options.

A HIGH RESOLUTION INTEGRAL FIELD SPECTROGRAPH FOR THE EUROPEAN SOLAR TELESCOPE

2013 ◽  
Vol 02 (01) ◽  
pp. 1350007 ◽  
Author(s):  
A. CALCINES ◽  
R. L. LÓPEZ ◽  
M. COLLADOS
Keyword(s):  
High Resolution ◽  
Near Infrared ◽  
Optical Quality ◽  
Solar Chromosphere ◽  
Solar Telescope ◽  
Infrared Wavelength ◽  
Multi Wavelength ◽  
Integral Field Spectrograph ◽  
Field Unit ◽  
Integral Field

This paper presents the proposal of a high resolution, integral field spectrograph that is currently being designed for the 4-meter aperture European Solar Telescope that will be located in the Canary Islands. This instrument is optimized to study the solar chromosphere and photosphere to allow the investigation of several phenomena concentrated within these two layers. It will be able to observe simultaneously a bidimensional field of view of 80 arcsec2 that is reorganized, using an integral field unit, into 8 long slits of 200 arcsec length by 0.05 arcsec width. It will have the capability to observe different layers of the Sun at the same time due to its multi-wavelength capability that allows the observation of 5 visible and 3 near-infrared wavelength intervals from 3900 to 23,000 Å, with a spectral resolution of about 300,000. The designed instrument is telecentric and presents an optical quality limited by diffraction.

scholarly journals Integral field spectroscopy with optical fibres

1995 ◽  
Vol 149 ◽  
pp. 209-218 ◽  
Author(s):  
C. Vanderriest
Keyword(s):  
Spatial Resolution ◽  
High Spatial Resolution ◽  
Optical Fibres ◽  
Future Developments ◽  
Integral Field Spectroscopy ◽  
Field Spectroscopy ◽  
Large Telescopes ◽  
New Generation ◽  
Integral Field ◽  
Large Wavelength

AbstractAn efficient technique for obtaining complete spectral informations over moderately extended objects is to transform the geometry of their telescopic images to match a classical long ”slit” aperture. This anamorphosis is conveniently made with bundles of optical fibres. Such devices are especially useful when high spatial resolution and large wavelength coverage are required at the same time. We review the existing instruments based on this technique and present some typical results. We discuss also the future developments of integral field spectroscopy with optical fibres (visible or IR domains) for the new generation of very large telescopes.

scholarly journals GMOS IFU Observations of the Gas Kinematics in the Radio Galaxy Arp 102B

2009 ◽  
Vol 5 (S267) ◽  
pp. 395-395
Author(s):  
Guilherme d. S. Couto ◽  
Thaisa Storchi-Bergmann ◽  
Rogemar A. Riffel ◽  
D. J. Axon ◽  
A. Robinson
Keyword(s):  
Wavelength Range ◽  
Radio Galaxy ◽  
Field Of View ◽  
Trace Gas ◽  
Spiral Arms ◽  
Gas Kinematics ◽  
Integral Field Spectroscopy ◽  
Field Spectroscopy ◽  
Integral Field

The goal of this work is to map the gas excitation and kinematics in the inner ~ 2 kiloparsecs of the radio-galaxy Arp 102B. Though being classified as an E0 galaxy, Arp 102B shows a nuclear gas spiral (Fathi et al., in preparation). Previous studies of the gas kinematics in nuclear spirals have led to the conclusion that these structures usually trace gas inflows (Fathi et al. 2006; [Storchi-Bergmann et al. 2007; [Riffel et al. 2008). We have used integral field spectroscopy obtained with GMOS instrument of the Gemini North telescope to investigate the nature of the nuclear spiral arms. The spectra cover the wavelength range 4400–7300 Å over a field of view of 5.″5 × 3.″9 (2.7 kpc × 1.9 kpc).

scholarly journals High Spatial Resolution Integral Field Spectroscopy of extended Ionized Gas around three Quasars

1995 ◽  
Vol 149 ◽  
pp. 254-256
Author(s):  
F. Durret ◽  
E. Pécontal ◽  
P. Petitjean ◽  
J. Bergeron
Keyword(s):  
Spatial Resolution ◽  
Spectral Resolution ◽  
Rest Frame ◽  
High Spatial Resolution ◽  
Wavelength Region ◽  
Ionized Gas ◽  
Integral Field Spectroscopy ◽  
Field Spectroscopy ◽  
Integral Field Spectrograph ◽  
Integral Field

Three quasars, Ton 616, 4C 37.43 and PKS 2251+113 (Stockton and MacKenty 1987) were observed in 1992 at the 3.6 m CFH telescope with the Integral Field Spectrograph TIGER (Courtès et al. 1987, Pécontal 1991) under subarcsecond seeing (0.5 - 0.7”). The spatial sampling was 0.39” in a field 7 by 7 ”, and the spectral resolution 8 ÅFWHM in the Hβ - [OIII]λ 5007 wavelength region (in the rest frame of the objects). The scaling is 4.5, 5.9 and 5.3 kpc.arcsec−1 for Ton 616, 4C 37.43 and PKS 2251+113 respectively (H0 = 75 km.s−1.Mpc−1). The data were reduced with the software developed at Observatoire de Lyon by Rousset, Bacon and Pécontal (Rousset 1992). A detailed account of our results is reported in Durret et al. 1994.

scholarly journals Determining mass limits around HD 163296 through SPHERE direct imaging data

2019 ◽  
Vol 488 (1) ◽  
pp. 37-46 ◽  
Author(s):  
D Mesa ◽  
M Langlois ◽  
A Garufi ◽  
R Gratton ◽  
S Desidera ◽  
...  
Keyword(s):  
Near Infrared ◽  
The Other ◽  
Field Of View ◽  
Dual Band ◽  
Imaging Data ◽  
Direct Imaging ◽  
Be Star ◽  
Integral Field Spectrograph ◽  
Ringed Structure ◽  
Integral Field

ABSTRACT HD 163296 is a Herbig Ae/Be star known to host a protoplanetary disc with a ringed structure. To explain the disc features, previous works proposed the presence of planets embedded into the disc. We have observed HD 163296 with the near-infrared (NIR) branch of SPHERE composed by IRDIS (InfraRed Dual-band Imager and Spectrograph) and IFS (integral field spectrograph) with the aim to put tight constraints on the presence of substellar companions around this star. Despite the low rotation of the field of view during our observation we were able to put upper mass limits of few MJup around this object. These limits do not allow to give any definitive conclusion about the planets proposed through the disc characteristics. On the other hand, our results seem to exclude the presence of the only candidate proposed until now using direct imaging in the NIR even if some caution has to be taken considered the different wavelength bands of the two observations.

scholarly journals The Hector Survey: integral field spectroscopy of 100,000 galaxies

2014 ◽  
Vol 10 (S309) ◽  
pp. 21-28 ◽  
Author(s):  
J. Bland-Hawthorn
Keyword(s):  
Galaxy Evolution ◽  
Scientific Impact ◽  
Integral Field Spectroscopy ◽  
Field Spectroscopy ◽  
Nearby Galaxies ◽  
Unique Parameter ◽  
Integral Field Spectrograph ◽  
New Facility ◽  
Larger Sample ◽  
Integral Field

AbstractIn March 2013, the Sydney–AAO Multi-object Integral field spectrograph (SAMI) began a major survey of 3400 galaxies at the AAT, the largest of its kind to date. At the time of writing, over a third of the targets have been observed and the scientific impact has been immediate. The Manga galaxy survey has now started at the SDSS telescope and will target an even larger sample of nearby galaxies. In Australia, the community is now gearing up to deliver a major new facility called Hector that will allow integral field spectroscopy of 100 galaxies observed simultaneously. By the close of the decade, it will be possible to obtain integral field spectroscopy of 100,000 galaxies over 3000 square degrees of sky down to r=17 (median). Many of these objects will have HI imaging from the new ASKAP radio surveys. We discuss the motivation for such a survey and the use of new cosmological simulations that are properly matched to the integral field observations. The Hector survey will open up a new and unique parameter space for galaxy evolution studies.

scholarly journals The Kyoto 3-D Spectrograph and an Imaging Fabry-Perot Observation of the Nuclear Region of NGC 4151

1997 ◽  
Vol 159 ◽  
pp. 355-356
Author(s):  
H. Ohtani ◽  
T. Ishigaki ◽  
T. Hayashi ◽  
S. Ozaki ◽  
T. Hattori ◽  
...  
Keyword(s):  
Narrow Band ◽  
Broad Band ◽  
Tunable Filter ◽  
Field Of View ◽  
Field Observations ◽  
Nuclear Region ◽  
Ngc 4151 ◽  
Fabry Perot ◽  
Integral Field Spectrograph ◽  
Integral Field

The Kyoto 3-D Spectrograph was commissioned successfully at the 188-cm telescope of the Okayama Astrophysical Observatory in the spring of 1996. This instrument has four distinct modes (Ohtani et al. 1994): (1) narrow-band imager, which is an ordinary focal-reducer camera; (2) Spectro-NebulaGraph (long-slit spectrograph; Kosugi et al. 1995); (3) imaging Fabry-Perot interferometer, using either of two Fabry-Perot etalons from Queensgate Instruments (a tunable filter with R = 300 and another with R = 7000 for velocity-field observations. Broad-band (400–700 nm) coatings are deposited on both etalons. During observations, the etalon temperature is stabilized within 0.5°C); and (4) integral-field spectrograph of the TIGER-type (Bacon et al. 1995). In this mode, the spectra of 7 × 11 objects can be recorded simultaneously, along with 7 × 2 spectra of the sky 4′ away. The spatial resolution is 1″.3 and the field of view is 9″ × 14″.

scholarly journals Integral Field Spectroscopy of z ~ 0.1 QSO Host Galaxies

2009 ◽  
Vol 5 (S267) ◽  
pp. 334-334
Author(s):  
Dading Nugroho ◽  
Knud Jahnke ◽  
Bernd Husemann ◽  
Katherine Inskip ◽  
Sebastian F. Sánchez ◽  
...  
Keyword(s):  
Velocity Fields ◽  
Emission Lines ◽  
Gas Velocity ◽  
Host Galaxies ◽  
Limited Sample ◽  
Integral Field Spectroscopy ◽  
Field Spectroscopy ◽  
Integral Field Spectrograph ◽  
Integral Field

We observed a volume-limited sample of 19 luminous type 1 QSO host galaxies at MV ~ −23 mag and redshift 0.06 < z < 0.2 (Jahnke et al. 2004) using the VLT/VIMOS Integral Field Spectrograph. After removal of the QSO contribution (using the method of Husemann et al. 2008), we construct 2D intensity maps and gas velocity fields of the host galaxies in the Hα and [O iii] emission lines. Two representative cases are shown in Figure 1.

The DIVING3D Project: Analysis of the nuclear region of Early-type Galaxies

2020 ◽  
Vol 15 (S359) ◽  
pp. 454-456
Author(s):  
T. V. Ricci ◽  
J. E. Steiner ◽  
R. B. Menezes
Keyword(s):  
Emission Lines ◽  
H Ii Regions ◽  
Sample Type ◽  
Early Type ◽  
Integral Field Spectroscopy ◽  
Project Analysis ◽  
Line Region ◽  
Field Unit ◽  
Integral Field

AbstractIn this work, we present preliminary results regarding the nuclear emission lines of a statistically complete sample of 56 early-type galaxies that are part of the Deep Integral Field Spectroscopy View of Nuclei of Galaxies (DIVING3D) Project. All early type galaxies (ETGs) were observed with the Gemini Multi-Object Spectrograph Integral Field Unit (GMOS-IFU) installed on the Gemini South Telescope. We detected emission lines in 93% of the sample, mostly low-ionization nuclear emission-line region galaxies (LINERs). We did not find Transition Objects nor H II regions in the sample. Type 1 objects are seen in ∼23% of the galaxies.

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