The on-orbit performance of the Galaxy Evolution Explorer

被引：283

作者：

Morrissey, P

Schiminovich, D

Barlow, TA

Martin, DC

Blakkolb, B

Conrow, T

Cooke, B

Erickson, K

Fanson, J

Friedman, PG

Grange, R

Jelinsky, PN

Lee, SC

Liu, DK

Mazer, A

McLean, R

Milliard, B

Randall, D

Schmitigal, W

Sen, A

Siegmund, OHW

Surber, F

Vaughan, A

Viton, M

Welsh, BY

Bianchi, L

Byun, YI

Donas, J

Forster, K

Heckman, TM

Lee, YW

Madore, BF

Malina, RF

Neff, SG

Rich, RM

Small, T

Szalay, AS

Wyder, TK

机构：

[1] CALTECH, Space Astrophys Lab, Pasadena, CA 91125 USA

[2] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA

[3] Lab Astrophys Marseille, F-13376 Marseille, France

[4] Univ Calif Berkeley, Space Sci Lab, Berkeley, CA 94720 USA

[5] Johns Hopkins Univ, Dept Phys & Astron, Baltimore, MD 21218 USA

[6] Yonsei Univ, Ctr Space Astrophys, Seoul 120749, South Korea

[7] Observ Carnegie Inst Washington, Pasadena, CA 91101 USA

[8] CALTECH, Ctr Infrared Proc & Anal, Pasadena, CA 91125 USA

[9] NASA, Goddard Space Flight Ctr, Astron & Solar Phys Lab, Greenbelt, MD 20771 USA

[10] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA

来源：

ASTROPHYSICAL JOURNAL | 2005年 / 619卷 / 01期

关键词：

space vehicles : instruments; surveys; telescopes; ultraviolet : general;

D O I：

10.1086/424734

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report the first year's on-orbit performance results for the Galaxy Evolution Explorer (GALEX), a NASA Small Explorer that is performing a survey of the sky in two ultraviolet bands. The instrument comprises a 50 cm diameter modified Ritchey-Chretien telescope with a 1degrees.25 field of view, selectable imaging and objective-grism spectroscopic modes, and an innovative optical system with a thin-film multilayer dichroic beam splitter that enables simultaneous imaging by a pair of photon-counting, microchannel-plate, delay-line readout detectors. Initial measurements demonstrate that GALEX is performing well, meeting its requirements for resolution, efficiency, astrometry, bandpass definition, and survey sensitivity.

引用

页码：L7 / L10

页数：4

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