標(biāo)題: Titlebook: Infrared and Submillimeter Space Missions in the Coming Decade; Programmes, Programm Harley A. Thronson,Marc Sauvage,Laurent Vigroux Book 1 [打印本頁] 作者: 壓榨機(jī) 時間: 2025-3-21 18:24
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作者: EWER 時間: 2025-3-21 20:39 作者: ornithology 時間: 2025-3-22 04:01
Detection Limits in the Far Infrared,ditional “confusion limits” will be extracted from images by using computer algorithms similar to CLEAN or DAOPHOT. We have conducted numerical experiments to evaluate these techniques and show that they will permit long integrations (~ 10,000 sec at 60 .m, ~ 200 sec at 100 .m) to achieve nearly pho作者: LOPE 時間: 2025-3-22 08:02
Background Limited Infrared and Submillimeter Instruments, space projects. They determine also, among other parameters, the self-emission of the instrument and the photon noise produced by this radiation on the detectors. By comparing the telescope brightness with that of the sky in the 1μm-1 cm wavelength range, general conditions for background limited p作者: 溫和女人 時間: 2025-3-22 11:56 作者: SCORE 時間: 2025-3-22 14:22 作者: corpus-callosum 時間: 2025-3-22 19:50 作者: 平息 時間: 2025-3-22 22:13 作者: 委屈 時間: 2025-3-23 04:47
Infrared Telescope in Space: IRTS,iments aboard the small space platform, SFU. The telescope aperture of the IRTS is 15cm, but is cooled by liquid Helium to realize very low background condition. Four instruments are installed on the focal plane which cover wide wavelengths from near infrared to submillimeter regions. The IRTS is op作者: 過份好問 時間: 2025-3-23 08:34 作者: 高射炮 時間: 2025-3-23 13:35 作者: 催眠 時間: 2025-3-23 14:02
SOFIA: The Next Generation Airborne Observatory,y. It is a 2.5 meter telescope to be installed in a Boeing 747 aircraft and operated at altitudes from 41,000 to 45,000 feet. It will permit routine measurement of infrared radiation absorbed by the atmosphere at lower altitudes, and observation of astronomical objects and transient events from anyw作者: osteoclasts 時間: 2025-3-23 18:10 作者: 障礙 時間: 2025-3-24 01:00 作者: ALE 時間: 2025-3-24 03:39
,SIRTF — The Moderate Mission,vatory for infrared astronomy from space. Within the past few years, severe pressures on NASA’s budget have led to the cancellation of many programs and to dramatic rescoping of others; SIRTF is in the latter category. This paper describes the resulting redefinition of SIRTF and the technical innova作者: IOTA 時間: 2025-3-24 10:04
The Edison Infrared Space Observatory,ing more capable missions at lower cost. Most notably, this has produced a series of models for purely radiative and radiative/mechanical (“hybrid”) cooling which do not use cryogens and optical designs which are not constrained by the coolant tanks. Purely radiatively-cooled models achieve equilibr作者: incubus 時間: 2025-3-24 12:21
The BOOMERANG Experiment, Microwave Background (CMB) anisotropy on angular scales of 20′ to 4°, with unprecedented sensitivity, sky and spectral coverage. The telescope will be flown from Antarctica by NASA-NSBF with a long duration stratospheric balloon (7–14 days), and is presently scheduled for flight in 1995–1996. The e作者: 親愛 時間: 2025-3-24 15:59 作者: 假設(shè) 時間: 2025-3-24 21:52 作者: 母豬 時間: 2025-3-25 01:38 作者: 織物 時間: 2025-3-25 04:39 作者: 真實(shí)的你 時間: 2025-3-25 11:01
Timothy G. Hawarden,Robert Crane,Harley A. Thronson Jr.,Alan J. Penny,Anna H. Orlowska,Thomas W. Braas. Das Wetter war fantastisch. Nicht zu warm. Nicht zu kalt. Alles war optimal. Trotzdem war die Herde in Aufruhr. Immer wieder waren ein paar Tiere aufgescheucht und rannten nerv?s hin und her. Zwischenzeitlich war die gesamte Herde von der Unruhe ergriffen und ein wildes, ziemlich kopfloses Geren作者: Aggressive 時間: 2025-3-25 11:46 作者: Nuance 時間: 2025-3-25 15:57
E. F. Ericksonr Zeit auf den Markt. Ein Gro?teil der Ver- ?ffentlichungen betrachtet das Netz-Medium entweder aus dem Blickwin- kel der sozial- oder geisteswissenschaftlichen Nachbardisziplinen - allen voran Philosophie, Soziologie und Sprachwissenschaften - oder aus der Sicht der Praxis, vor allem des Journalism作者: nocturia 時間: 2025-3-25 22:15
Pierre Y. Bely,Holland C. Ford,Richard Burg,Larry Petro,Rick White,John Ballylen Vernetzung liegen in neuartigen Erscheinungsformen alter Kriminalit?tsbereiche wie Erpressung, Verbreitung extremistischer Schriften, Urkundenf?lschung und Datenmi?brauch sowie der Verbreitung von pornographischem und kinderpornographischem Material und dem Handel damit. Der strafrechtliche Umga作者: 放棄 時間: 2025-3-26 03:10 作者: Insensate 時間: 2025-3-26 07:42 作者: 暫時過來 時間: 2025-3-26 11:05 作者: DRAFT 時間: 2025-3-26 15:04
A. E. Lange,J. J. Bock,P. Masonufkommenden neuen Form industrieller T?tigkeit (Verwendung von Dampf kraft und Elektrizit?t, Maschinenarbeit, Fabrikbetrieb) mu?ten sich viele Handwerker unter Preisgabe ihrer bisherigen Selbst?ndigkeit einem Arbeitgeber zu unselbst?ndiger Lohnarbeit verdingen. So entstand der neue Berufsstand der g作者: 殖民地 時間: 2025-3-26 19:31
length range which has, over the past several years,seen such impressive advances in technology: large-scale detectorarrays, new designs for cooling in space, lightweight mirrortechnologies. Scientific cases for observing the cold universe areoutstanding. Observations in the FIR/Submm range will pro作者: Criteria 時間: 2025-3-26 23:50
Book 1996ge which has, over the past several years,seen such impressive advances in technology: large-scale detectorarrays, new designs for cooling in space, lightweight mirrortechnologies. Scientific cases for observing the cold universe areoutstanding. Observations in the FIR/Submm range will provide answe作者: 暴露他抗議 時間: 2025-3-27 04:08
Solar System Observations and Future Missions,are explored, and a number of observations that could enhance our understanding of Solar System objects are suggested. Finally, the adequacy of future space missions in this respect is discussed. The specific cases of ISO, FIRST and the proposed Edison are considered.作者: 分散 時間: 2025-3-27 07:53 作者: 表兩個 時間: 2025-3-27 12:41 作者: ALLAY 時間: 2025-3-27 14:13
,SIRTF — The Moderate Mission,nd to dramatic rescoping of others; SIRTF is in the latter category. This paper describes the resulting redefinition of SIRTF and the technical innovations which have made it possible to package SIRTF’s key scientific capabilities into the envelope of a moderate-class mission.作者: CREST 時間: 2025-3-27 21:45
Detection Limits in the Far Infrared,ton-background-limited performance and hence very deep detection limits. The dominant noise sources — photon noise, confusion by distant galaxies, and confusion by IR cirrus — scale with nearly the same power of the telescope aperture. As a result, the integration times required to reach confusion limits are nearly aperture-independent.作者: Aviary 時間: 2025-3-28 01:23
Infrared Telescope in Space: IRTS,timized to observe the diffuse extended emission, and will survey about 10% of the sky in 20 days of mission life. The IRTS will provide significant information on cosmology, interstellar matter, late type stars, and interplanetary dust.作者: panorama 時間: 2025-3-28 04:38
SOFIA: The Next Generation Airborne Observatory,here in the world. The concept is based on 20 years of experience with NASA’s Kuiper Airborne Observatory (KAO), which SOFIA would replace. SOFIA will complement the capabilities of other future space missions, and will enable scientists to make observations which would otherwise be made from space.作者: 前面 時間: 2025-3-28 08:28 作者: surmount 時間: 2025-3-28 10:43 作者: hypnogram 時間: 2025-3-28 18:26
The Edison Infrared Space Observatory,t the limitations of cryogenic cooling. One . model has been proposed to the European Space Agency as the next generation infrared space observatory and is presently under consideration as a candidate ESA “Cornerstone” mission. The basic design is also the starting point for elements of future infrared space interferometers.作者: 小溪 時間: 2025-3-28 22:41
Extragalactic Observations and Future Missions,e and velocity field in the distant universe; and studies of the interstellar medium in galaxies. Some more emphasis is given on the galaxy formation problem, because we believe that IR-mm sensitive observations will be crucial to its final solution.作者: interlude 時間: 2025-3-29 00:56
Background Limited Infrared and Submillimeter Instruments,s. It can be shown on actual projects that these two regimes determine different optical and thermal concepts. Although based on a simplistic approach, this work intends to help designers to handle some basic system parameters of infrared and submillimeter instruments.作者: 圍巾 時間: 2025-3-29 04:11 作者: lymphedema 時間: 2025-3-29 07:26 作者: cringe 時間: 2025-3-29 14:09 作者: critic 時間: 2025-3-29 17:46 作者: instate 時間: 2025-3-29 21:48
H. A. Thronson,T. G. Hawarden,A. J. Penny,L. Vigroux,G. Sholomitskii作者: 微生物 時間: 2025-3-30 02:24
G. H. Rieke,E. T. Young,T. N. Gautierm Besuch einladen wird. Ab Würzburg nutzen wir für die Weiterfahrt bis nach Stra?burg die Main- und Rheinschifffahrt. Zun?chst geht es mainabw?rts bis in die Freie Reichs- und Bundesstadt Frankfurt. Anschlie?end fahren wir stromabw?rts bis nach Koblenz, wo wir die unermesslichen Festungswerke besich作者: 管理員 時間: 2025-3-30 07:24 作者: CURL 時間: 2025-3-30 11:34
Timothy G. Hawarden,Robert Crane,Harley A. Thronson Jr.,Alan J. Penny,Anna H. Orlowska,Thomas W. Bramittelgro?es, blondes Pony zu. In diesem Moment fiel mir auf: Das war der Unruhestifter. Das Pony war an allen Rennereien beteiligt. Mehr noch, es hatte sie jedes Mal initiiert. Blondi hatte so viel Unruhe gestiftet, bis die gesamte Herde v?llig aus dem H?uschen war. Na, dachte ich, jetzt wird dem k作者: SUGAR 時間: 2025-3-30 12:33
P. B. Hacking,M. W. Wernerositionen kann es Pro und Contra geben. Es kommt auf den konkreten Fall an. Beim Gesetz gegen die Kryptographie beispielsweise gehen die gesetzgeberischen Bemühungen dahin, eine solche Verschlüsselung gesetzlich zu verbieten oder zumindest dem Bundesnachrichtendienst die M?glichkeit zum Mitlesen des作者: effrontery 時間: 2025-3-30 16:44 作者: MANIA 時間: 2025-3-31 00:32 作者: palliative-care 時間: 2025-3-31 01:05 作者: Emmenagogue 時間: 2025-3-31 08:37
A. Lange,P. De Bernardis,M. De Petris,S. Masi,F. Melchiorri,E. Aquilini,L. Martinis,F. Scaramuzzi,B.erblichen Arbeiter, geschaffen und allm?hlich auf verwandte Berufsst?nde, vor allem Angestellte, Dienstboten, Landarbeiter, Hausarbeiter, Seeleute ausgedehnt. Dieses ?Arbeitsrecht“ oder ?Sozialrecht“ war in pers?nlicher Beziehung auf die Mitglieder der Berufsst?nde beschr?nkt, die seiner Geltung unt作者: 運(yùn)氣 時間: 2025-3-31 10:45
A. E. Lange,J. J. Bock,P. Masonerblichen Arbeiter, geschaffen und allm?hlich auf verwandte Berufsst?nde, vor allem Angestellte, Dienstboten, Landarbeiter, Hausarbeiter, Seeleute ausgedehnt. Dieses ?Arbeitsrecht“ oder ?Sozialrecht“ war in pers?nlicher Beziehung auf die Mitglieder der Berufsst?nde beschr?nkt, die seiner Geltung unt作者: Medicaid 時間: 2025-3-31 15:58 作者: Dna262 時間: 2025-3-31 21:07 作者: 抗原 時間: 2025-4-1 00:28 作者: intrigue 時間: 2025-4-1 05:55
