The Herschel/Planck programme, technical challenges for two science missions, successfully launched

Reix, J.-M.; Paßvogel, T.; Crone, G.; Collaudin, B.; Rideau, P.; Roche, Y.; Vogel, Catherine

doi:10.1016/j.actaastro.2009.05.025

Cited by 14 publications

(10 citation statements)

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“…The Herschel spacecraft has been described in several publications [3,[4][5][6][7], and will not be repeated here. However, its main design feature is the use of a He II filled cryostat (1.6 K) as illustrated in the FIGURE 1 above.…”

Section: The Herschel Spacecraftmentioning

confidence: 99%

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Herschel: Testing of Cryogenics Instruments at Spacecraft Level and Early Flight Results

Collaudin¹,

Montet²,

Roche³

et al. 2010

AIP Conference Proceedings

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Herschel cryogenics instrument (HIFI, PACS, SPIRE) flight models have been delivered to ESA & Prime contractor Thales Alenia Space mid 2007, to be integrated and tested on the Herschel spacecraft, for a launch mid May 2009.The instrument integration and test campaign at spacecraft level was performed between mid 2007 and end 2008 in Astrium GmbH, Immenstadt (Gernany) and later in ESA's test facilities at Estec, Noordwijk (Nederland). The objective of these tests was to demonstrate full operability and performances of the instruments in spacecraft configuration, and their compatibility with the launch and space environment, while maintaining full compliance with the underlying requirements. A set of short functional tests were developed and used repeatedly to quickly check the health of each instrument at key points in the test campaign. Typically, this was after integration of a major component, prior to a major environmental test or before/after movement of the spacecraft. A set of full 1510 CREDIT LINE (BELOW) TO BE INSERTED ON THE FIRST PAGE OF EACHPAPER EXCEPT FOR ARTICLES ON pp. 18-25, 26-33, 68-75, 121-127, 136-142, 207-214, 246-253, 355-362, 388-395, 499-506, 507-514, 609-614, 780-787, 796-803, 804-811, 905-912, 1291-1300, 1301-1308, 1369-1376, 1581-1592, 1593-1600, and 1647-1651 functional tests were also performed after launch vibration tests, and during Thermal vacuum test in order to provide a more complete picture of the instruments functional health. Finally a set of instrument specific tests were performed to verify the performance of the instrument under the most representative operational conditions possible on ground (i.e. the environmental test campaign). The paper will describe instruments and the instruments related tests performed at spacecraft level, focusing on cryogenics aspects.

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Section: The Herschel Spacecraftmentioning

confidence: 99%

“…These coolers are based on pumping on 3 He by a Charcoal pump with a 2 h recycling using heater and gas gaps heat switches, which allows to use them indefinitely. (ref.…”

Section: Cryocoolersmentioning

confidence: 99%

Herschel: Testing of Cryogenics Instruments at Spacecraft Level and Early Flight Results

Collaudin¹,

Montet²,

Roche³

et al. 2010

AIP Conference Proceedings

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“…This paper recalls the spacecraft characteristics and the development presented last year [4], and focuses on the implementation and design verification aspects of the novel solutions to meet the instrument requirements.…”

Section: Introduction and Planck Mission Essentialsmentioning

confidence: 99%

The Herschel∕planck Programme Planck PFM Testing Campaign

Reix¹,

Rideau²,

Gavila³

et al. 2010

AIP Conference Proceedings

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“…On the other hand, different FIR laser lines do appear since the rotational and vibrational levels are affected. It is also possible to exchange the ordinary 12 C carbon atom by the 13 C isotope. In general, using an FIR laser involves bulky instrumentation, sophisticated operation, and is intrinsically limited by the active media transition frequencies.…”

mentioning

confidence: 99%

“…In fact, frequencyand phase-stabilized, high-power, and reliable solid-state terahertz sources can find application in a number of fields, spanning from far-IR astronomy [13] and high-precision molecular gas spectroscopy [14] to high-resolution coherent imaging and telecommunications [15,16]. In this context, knowledge of the intrinsic linewidth, ultimately related to the uncertainty principle of quantum mechanics, plays a key role, determining the maximum achievable spectral resolution and coherence length in a free-running laser.…”

mentioning

confidence: 99%

Terahertz Frequency Metrology for Spectroscopic Applications: a Review

Consolino

Bartalini

Natale

2017

J Infrared Milli Terahz Waves

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We provide an overview on terahertz (THz) frequency metrology, starting from the nowadays available continuous wave THz sources, discussing their main features such as tunability, spectral purity, and frequency referencing to the primary frequency standards. A comparison on the achieved results in high-precision molecular spectroscopy is given and discussed, and finally, a special emphasis poses on the future developments of this upcoming field.

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The Herschel/Planck programme, technical challenges for two science missions, successfully launched

Cited by 14 publications

References 0 publications

Herschel: Testing of Cryogenics Instruments at Spacecraft Level and Early Flight Results

Herschel: Testing of Cryogenics Instruments at Spacecraft Level and Early Flight Results

The Herschel∕planck Programme Planck PFM Testing Campaign

Terahertz Frequency Metrology for Spectroscopic Applications: a Review

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