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Найдено 109 документов по запросу «JDEM». [Перейти к поиску]


Дата загрузки: 2016-11-23
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0.06/5
... of a Joint Dark Energy Mission (JDEM). The ROF system illuminates the... An attitude control testbed for JDEM K. A. Reil, A. J. Roodman, SLAC National Accelerator..., jitter and PSF requirements for JDEM come from the weak lensing... the Joint Dark Energy Mission (JDEM). This mission will tightly constrain... 14 Optical performance budgeting for JDEM weak-lensing measurements M. C. Noecker, Ball...-DOE Joint Dark Energy Mission (JDEM). The measurements are challenging, because...-to-grave support of the JDEM program. Finally, we will briefly...) The Joint Dark Energy Mission (JDEM) will be using photodiodes as... of internal calibration light sources. JDEM requires space qualified Si and... the context of the SNAP / JDEM project, we present here a study... States) Many future missions, including JDEM, are designed as wide-field...



Дата загрузки: 2017-04-09
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...-time tools previously developed for JDEM. We further compare these four alternative WFIRST configurations to JDEM-Ω and to the European Space... Joint Dark Energy Mission (JDEM) family, in particular JDEM-Ω (Gehrels 2010). WFIRST... payload concepts with the original JDEM-Ω design on which the Decadal... in Table 3. Compared to the JDEM-Ω payload, the WFIRST configurations show... improved galaxy count compared to JDEM-Ω and Euclid. In particular note... than the 1.5m aperture of JDEM-Ω. A useful sample of spectroscopic redshifts... arcminute WF-A WF-B WF-C WF-D JDEM-Ω Euclid Euclid+ 5578 4067 4616... Results WF-A WF-B WF-C WF-D JDEM-Ω Euclid Euclid+ SNe followed per...., 2008; Cerna et al., 2010). JDEM-Ω baselined a slitless spectrometer channel responsible... the supernova spectroscopy requirement. In JDEM-Ω spectroscopy, the zodiacal background per... expected within the JDEM-Ω field for a given exposure. JDEM-Ω therefore does not..., dark energy mission planning (e.g. Euclid; JDEM) is usually based on observing... studied downlink options for SNAP/JDEM during 2008. In particular they... the Joint Dark Energy Mission JDEM-Ω concept considered by the Decadal... also compared these configurations to JDEM-Ω and to the European Space... 2.5 times the survey rate of JDEM-Ω, and an improved density of..., WFIRST-A surveys 2.8 times faster than JDEM-Ω and six times faster than..., N., “The Joint Dark Energy Mission (JDEM) Omega,” arXiv:1008.4936 (2010... accommodation study for WFIRST payloads,” JDEM Project Office Drawing No. 1029.... & Astroph. v.457, 841-856, (2006). JDEM Interim Science Working Group (ISWG... wheel into the WFIRST Imagers,” JDEM Project Office Drawing No. 1165-A (2011). Levi, M. “JDEM Mission Calculator” (JSIM) http://jdem.lbl.gov/public...



Дата загрузки: 2017-04-09
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... risk and cost of the JDEM-Omega mission design, as submitted... Office opted to use the JDEM-Omega hardware configuration as an... previously identified (both on the JDEM SCG and during the New..., the cosmological community, through the JDEM Science Definition Team, the Dark... Task Force, and by the JDEM Figure of Merit Science Working... already developed as part of a JDEM Engineering Development Unit (EDU) Focal... the IDRM, a change from the JDEM-Omega baseline. Shifting the secondary... to 1.3m, from 1.5m on JDEM-Omega, while still providing equivalent... limiting flux as compared to JDEM-Omega. The unobscured telescope allows... incorporates minor modifications from the JDEM-Omega instrument. Two detectors from... 2.0 µm) for the Exoplanet survey. Finally, JDEM-Omega proposed using 2.5µm long-wavelength... EDU was started on the JDEM project and work continues Section... acceptable cost), the 35 WFIRST JDEM/WFIRST project initiated a detector demonstration... of demonstration parts that the JDEM/WFIRST project is building already... a Phase A start in FY13. The JDEM Omega RFI identified weak lensing... relatively few changes from the JDEM-Omega reference mission, and thus... system was begun for the JDEM Omega concept, and is now... within their budgeted tolerances. The JDEM-Omega studies found that it..., comprehensive trades. Results from the JDEM mission concept study teams can... directions near-simultaneously (as did JDEM-Omega). Both appear to be... WFIRST IDRM The NWNH took JDEM-Omega to be the template for WFIRST, saying that JDEM-Omega seemed nearly ideally suited... science goals. The SDT took JDEM-Omega as the starting point... is more expensive than for JDEM-Omega, it is less likely... same wavelength cutoffs as in JDEM-Omega. In the year between... ImC IMF IR IRAS JCL JDEM JWST KDP KSC L2 LCCE...



Дата загрузки: 2016-12-24
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0.25/5
... errors go to +- .0012 Planck+JDEM+DUNE blind b-spline Ps(lnk... +- .07 Planck+JDEM+DUNE ςs=+- 1.001d2lnV/dψ2/4 @aeq ςs ~ 0.1 +.6 -.7 to +.6-.7 Planck+JDEM+DUNE LCDM to... errors go to +- .0012 Planck+JDEM+DUNE blind b-spline lnPs(lnk... +- .07 Planck+JDEM+DUNE ςs=+- 1.001d2lnV/dψ2/4 @aeq ςs ~ 0.1 +.6 -.7 to +.6-.7 Planck+JDEM+DUNE LCDM to... aeq Beyond Einstein panel: LISA+JDEM Forecast: JDEM-SN (2500 hi-z + 500.../BAO, Lyα Cosmic Probes Then JDEM-SN + DUNE-WL + Planck1 Zhiqi... gradient)2 to +-0.07 then Planck1+JDEM SN+DUNE WL, weak Saturday..., 2009 Beyond Einstein panel: LISA+JDEM Forecast: JDEM-SN (2500 hi-z + 500...



Дата загрузки: 2017-04-09
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... Titan; a Joint Dark Energy Mission (JDEM), which would examine fundamental questions... 09- FY 13 to develop a JDEM mission and to continue technology... the Beyond Einstein program). The JDEM new start responds to a National... from the DOE, and anticipates a JDEM launch in 2015. The National..., included an analysis that estimated JDEM mission lifecycle costs (as managed...



Дата загрузки: 2017-04-09
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... than is possible with Euclid. JDEM-Omega was an axisymmetric 1.5 meter... IDRM itself differs significantly from JDEM-Omega in that it has... (m) Science Focal Planes Science Detectors JDEM- 2010 1.5 Yes 2.0 3 36 H2RG-18...; Albrecht et al. 2006) and JDEM Figure-of-Merit Science Working... reconstruction algorithms have eliminated the JDEMΩ requirement that all of the... and DRM1, a change from the JDEM-Omega baseline. Shifting the secondary... be reduced to 1.3 m, from 1.5 m on JDEM-Omega, while still providing equivalent... limiting flux as compared to JDEM-Omega. The field of view... EDU was started on the JDEM project and work continues under... (at an acceptable cost), the JDEM/WFIRST project initiated a detector demonstration... two important respects from the JDEM-Omega reference mission configuration submitted... (WMAP) and builds on the JDEM Probe design developed in 2009... savings compared to the original JDEM Omega or WFIRST baselines. DRM2... has gone into refining the JDEM-Omega design concept that was... detail by the JDEM Interim Science Working Group, see jdem.lbl.gov... IFU IMF IR IRAS JCL JDEM JWST KDP KSC L2 LCCE...



Дата загрузки: 2017-03-09
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... than is possible with Euclid. JDEM-Omega was an axisymmetric 1.5 meter... IDRM itself differs significantly from JDEM-Omega in that it has... (m) Science Focal Planes Science Detectors JDEM- 2010 1.5 Yes 2.0 3 36 H2RG-18...; Albrecht et al. 2006) and JDEM Figure-of-Merit Science Working... reconstruction algorithms have eliminated the JDEMΩ requirement that all of the... and DRM1, a change from the JDEM-Omega baseline. Shifting the secondary... be reduced to 1.3 m, from 1.5 m on JDEM-Omega, while still providing equivalent... limiting flux as compared to JDEM-Omega. The field of view... EDU was started on the JDEM project and work continues under... (at an acceptable cost), the JDEM/WFIRST project initiated a detector demonstration... two important respects from the JDEM-Omega reference mission configuration submitted... (WMAP) and builds on the JDEM Probe design developed in 2009... savings compared to the original JDEM Omega or WFIRST baselines. DRM2... has gone into refining the JDEM-Omega design concept that was... detail by the JDEM Interim Science Working Group, see jdem.lbl.gov... IFU IMF IR IRAS JCL JDEM JWST KDP KSC L2 LCCE...



Дата загрузки: 2017-03-10
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... the Joint Dark Energy Mission (JDEM)-Omega payload concept and multiple... development, and out performs the JDEM-Omega design. Keywords: Space astrophysics... a large extent, a derivative of the JDEM-Omega design2,3, we refer to....” The new requirements imposed on a JDEM-like observatory by adding this... cosmic structure. In general the JDEM Omega design flowed from requirements... iteration phase. Previous designs included JDEM/IDECS (afocal, oTMA with dual refractive spectrometers), JDEM/Omega (focal, oTMA with reflective... description The major change from JDEM-Omega is the switch to... obscuration for stray light baffles (JDEM-Omega had a 50% linear obscuration... JWST/NIRCAM. Compared to the JDEM-Omega concept, the total pixel... are improved relative to the JDEM-Omega design We set as... level as a compared too the JDEM-Om mega design. Proc. of... we want to thank the JDEM collaboration including the Science Coordination....edu/catalog.php?record_id=12951 [2] JDEM input to Astro2010: http://wfirst..., “The Joint Dark Energy Mission (JDEM) Omega,” arXiv:1008.4936v1 [astro...



Дата загрузки: 2017-04-09
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0.13/5
... on a Joint Dark Energy Mission (JDEM) whose main intent was to...). After intense study by the JDEM Project Office at NASA GSFC... (similar in scope to the JDEM/Omega mission concept) in its... of the WFIRST candidate missions (JDEM-Omega) while the Euclid parameters...



Дата загрузки: 2017-04-23
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... on a Joint Dark Energy Mission (JDEM) whose main intent was to...). After intense study by the JDEM Project Office at NASA GSFC... (similar in scope to the JDEM/Omega mission concept) in its... of the WFIRST candidate missions (JDEM-Omega) while the Euclid parameters...