2018ApJ...864...93M


C.D.S. - SIMBAD4 rel 1.7 - 2021.05.15CEST23:32:44

2018ApJ...864...93M - Astrophys. J., 864, 93-93 (2018/September-1)

The Keck Cosmic Web Imager integral field spectrograph.

MORRISSEY P., MATUSZEWSKI M., MARTIN D.C., NEILL J.D., EPPS H., FUCIK J., WEBER B., DARVISH B., ADKINS S., ALLEN S., BARTOS R., BELICKI J., CABAK J., CALLAHAN S., COWLEY D., CRABILL M., DEICH W., DELECROIX A., DOPPMAN G., HILYARD D., JAMES E., KAYE S., KOKOROWSKI M., KWOK S., LANCLOS K., MILNER S., MOORE A., O'SULLIVAN D., PARIHAR P., PARK S., PHILLIPS A., RIZZI L., ROCKOSI C., RODRIGUEZ H., SALAUN Y., SEAMAN K., SHEIKH D., WEISS J. and ZARZACA R.

Abstract (from CDS):

We report on the design and performance of the Keck Cosmic Web Imager (KCWI), a general purpose optical integral field spectrograph that has been installed at the Nasmyth port of the 10 m Keck II telescope on Maunakea, Hawaii. The novel design provides blue-optimized seeing-limited imaging from 350-560 nm with configurable spectral resolution from 1000-20,000 in a field of view up to 20'' x 33''. Selectable volume phase holographic (VPH) gratings and high-performance dielectric, multilayer silver, and enhanced-aluminum coatings provide end-to-end peak efficiency in excess of 45% while accommodating the future addition of a red channel that will extend wavelength coverage to 1 micron. KCWI takes full advantage of the excellent seeing and dark sky above Maunakea with an available nod-and-shuffle observing mode. The instrument is optimized for observations of faint, diffuse objects such as the intergalactic medium or cosmic web. In this paper, a detailed description of the instrument design is provided with measured performance results from the laboratory test program and 10 nights of on-sky commissioning during the spring of 2017. The KCWI team is lead by Caltech and JPL (project management, design, and implementation) in partnership with the University of California at Santa Cruz (camera optical and mechanical design) and the W. M. Keck Observatory (observatory interfaces).

Abstract Copyright: © 2018. The American Astronomical Society. All rights reserved.

Journal keyword(s): galaxies: kinematics and dynamics - instrumentation: spectrographs - intergalactic medium - quasars: general - techniques: imaging spectroscopy - techniques: spectroscopic

Simbad objects: 13

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Number of rows : 13

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 HZ 4 WD* 03 55 21.9881493731 +09 47 18.134000893 13.917 14.592 14.506 14.58 14.642 DA3.4 179 0
2 BD+52 913 WD* 05 05 30.6182785658 +52 49 51.920797126 10.25 11.44 11.69 11.93 12.108 DA.8 1006 0
3 BD+18 2647 HS* 12 41 51.7901702595 +17 31 19.750592670 10.261 11.70 11.63 11.969 12.159 sdOpec 166 1
4 HZ 44 HS* 13 23 35.2632775627 +36 07 59.545982652 10.186 11.42 11.65 12.00 11.995 sdBN0VIIHe28 379 0
5 M 51 GiP 13 29 52.698 +47 11 42.93   9.26 8.36 8.40   ~ 3927 4
6 M 3 GlC 13 42 11.62 +28 22 38.2     6.39     ~ 2313 0
7 NGC 5886 GiG 15 12 45.453 +41 14 00.87   15.1       ~ 18 0
8 BD+33 2642 pA* 15 51 59.8857490337 +32 56 54.327647794 9.806 10.61 10.73 10.884 10.961 O7p 388 0
9 IC 1191 Sy2 16 06 28.985 +18 16 03.95   15       ~ 26 0
10 BD+02 3375 PM* 17 39 45.5950264172 +02 24 59.607595293 10.18 10.40 9.92 9.47 9.12 A5 190 0
11 HH 32 HH 19 20 30 +11 02.0           ~ 107 1
12 BD+28 4211 HS* 21 51 11.0220905905 +28 51 50.366090892 8.922 10.25 10.58 10.656 10.831 sdO2VIIIHe5 749 0
13 BD+25 4655 HS* 21 59 41.9751489837 +26 25 57.398356446 8.27 9.39 9.68     sdO6 104 0

    Equat.    Gal    SGal    Ecl

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2021.05.15-23:32:44

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