Planck early results. II. The thermal performance of Planck

[No Value] Planck Collaboration; P. A. R. Ade; N. Aghanim; M. Arnaud; M. Ashdown; J. Aumont; C. Baccigalupi; M. Baker; A. Balbi; A. J. Banday; R. B. Barreiro; E. Battaner; K. Benabed; A. Benoît; J.-P. Bernard; M. Bersanelli; P. Bhandari; R. Bhatia; J. J. Bock; A. Bonaldi; J. R. Bond; J. Borders; J. Borrill; F. R. Bouchet; B. Bowman; T. Bradshaw; E. Bréelle; M. Bucher; C. Burigana; R. C. Butler; P. Cabella; P. Camus; C. M. Cantalupo; B. Cappellini; J.-F. Cardoso; A. Catalano; L. Cayón; A. Challinor; A. Chamballu; J. P. Chambelland; J. Charra; M. Charra; L.-Y. Chiang; C. Chiang; P. R. Christensen; D. L. Clements; B. Collaudin; S. Colombi; F. Couchot; A. Coulais; B. P. Crill; M. Crook; F. Cuttaia; C. Damasio; L. Danese; R. D. Davies; R. J. Davis; P. de Bernardis; G. de Gasperis; A. de Rosa; J. Delabrouille; J.-M. Delouis; F.-X. Désert; K. Dolag; S. Donzelli; O. Doré; U. Dörl; M. Douspis; X. Dupac; G. Efstathiou; T. A. Enßlin; H. K. Eriksen; C. Filliard; F. Finelli; S. Foley; O. Forni; P. Fosalba; J.-J. Fourmond; M. Frailis; E. Franceschi; S. Galeotta; K. Ganga; E. Gavila; M. Giard; G. Giardino; Y. Giraud-Héraud; J. González-Nuevo; K. M. Górski; S. Gratton; A. Gregorio; A. Gruppuso; G. Guyot; D. Harrison; G. Helou; S. Henrot-Versillé; C. Hernández-Monteagudo; D. Herranz; S. R. Hildebrandt; E. Hivon; M. Hobson; W. A. Holmes; A. Hornstrup; W. Hovest; R. J. Hoyland; K. M. Huffenberger; U. Israelsson; A. H. Jaffe; W. C. Jones; M. Juvela; E. Keihänen; R. Keskitalo; T. S. Kisner; R. Kneissl; L. Knox; H. Kurki-Suonio; G. Lagache; J.-M. Lamarre; P. Lami; A. Lasenby; R. J. Laureijs; A. Lavabre; C. R. Lawrence; S. Leach; R. Lee; R. Leonardi; C. Leroy; P. B. Lilje; M. López-Caniego; P. M. Lubin; J. F. Macías-Pérez; T. Maciaszek; C. J. MacTavish; B. Maffei; D. Maino; N. Mandolesi; R. Mann; M. Maris; E. Martínez-González; S. Masi; S. Matarrese; F. Matthai; P. Mazzotta; P. McGehee; P. R. Meinhold; A. Melchiorri; F. Melot; L. Mendes; A. Mennella; M.-A. Miville-Deschênes; A. Moneti; L. Montier; J. Mora; G. Morgante; N. Morisset; D. Mortlock; D. Munshi; A. Murphy; P. Naselsky; A. Nash; P. Natoli; C. B. Netterfield; D. Novikov; I. Novikov; I. J. O'Dwyer; S. Osborne; F. Pajot; F. Pasian; G. Patanchon; D. Pearson; O. Perdereau; L. Perotto; F. Perrotta; F. Piacentini; M. Piat; S. Plaszczynski; P. Platania; E. Pointecouteau; G. Polenta; N. Ponthieu; T. Poutanen; G. Prézeau; M. Prina; S. Prunet; J.-L. Puget; J. P. Rachen; R. Rebolo; M. Reinecke; C. Renault; S. Ricciardi; T. Riller; I. Ristorcelli; G. Rocha; C. Rosset; J. A. Rubiño-Martín; B. Rusholme; M. Sandri; D. Santos; G. Savini; B. M. Schaefer; D. Scott; M. D. Seiffert; P. Shellard; G. F. Smoot; J.-L. Starck; P. Stassi; F. Stivoli; V. Stolyarov; R. Stompor; R. Sudiwala; J.-F. Sygnet; J. A. Tauber; L. Terenzi; L. Toffolatti; M. Tomasi; J.-P. Torre; M. Tristram; J. Tuovinen; L. Valenziano; L. Vibert; P. Vielva; F. Villa; N. Vittorio; L. A. Wade; B. D. Wandelt; C. Watson; S. D. M. White; A. Wilkinson; P. Wilson; D. Yvon; A. Zacchei; B. Zhang; A. Zonca

doi:10.1051/0004-6361/201116486

Planck early results. II. The thermal performance of Planck

[No Value] Planck Collaboration, P. A. R. Ade, N. Aghanim, M. Arnaud, M. Ashdown, J. Aumont, C. Baccigalupi, M. Baker, A. Balbi, A. J. Banday, R. B. Barreiro, E. Battaner, K. Benabed, A. Benoît, J.-P. Bernard, M. Bersanelli, P. Bhandari, R. Bhatia, J. J. Bock, A. BonaldiJ. R. Bond, J. Borders, J. Borrill, F. R. Bouchet, B. Bowman, T. Bradshaw, E. Bréelle, M. Bucher, C. Burigana, R. C. Butler, P. Cabella, P. Camus, C. M. Cantalupo, B. Cappellini, J.-F. Cardoso, A. Catalano, L. Cayón, A. Challinor, A. Chamballu, J. P. Chambelland, J. Charra, M. Charra, L.-Y. Chiang, C. Chiang, P. R. Christensen, D. L. Clements, B. Collaudin, S. Colombi, F. Couchot, A. Coulais, B. P. Crill, M. Crook, F. Cuttaia, C. Damasio, L. Danese, R. D. Davies, R. J. Davis, P. de Bernardis, G. de Gasperis, A. de Rosa, J. Delabrouille, J.-M. Delouis, F.-X. Désert, K. Dolag, S. Donzelli, O. Doré, U. Dörl, M. Douspis, X. Dupac, G. Efstathiou, T. A. Enßlin, H. K. Eriksen, C. Filliard, F. Finelli, S. Foley, O. Forni, P. Fosalba, J.-J. Fourmond, M. Frailis, E. Franceschi, S. Galeotta, K. Ganga, E. Gavila, M. Giard, G. Giardino, Y. Giraud-Héraud, J. González-Nuevo, K. M. Górski, S. Gratton, A. Gregorio, A. Gruppuso, G. Guyot, D. Harrison, G. Helou, S. Henrot-Versillé, C. Hernández-Monteagudo, D. Herranz, S. R. Hildebrandt, E. Hivon, M. Hobson, W. A. Holmes, A. Hornstrup, W. Hovest, R. J. Hoyland, K. M. Huffenberger, U. Israelsson, A. H. Jaffe, W. C. Jones, M. Juvela, E. Keihänen, R. Keskitalo, T. S. Kisner, R. Kneissl, L. Knox, H. Kurki-Suonio, G. Lagache, J.-M. Lamarre, P. Lami, A. Lasenby, R. J. Laureijs, A. Lavabre, C. R. Lawrence, S. Leach, R. Lee, R. Leonardi, C. Leroy, P. B. Lilje, M. López-Caniego, P. M. Lubin, J. F. Macías-Pérez, T. Maciaszek, C. J. MacTavish, B. Maffei, D. Maino, N. Mandolesi, R. Mann, M. Maris, E. Martínez-González, S. Masi, S. Matarrese, F. Matthai, P. Mazzotta, P. McGehee, P. R. Meinhold, A. Melchiorri, F. Melot, L. Mendes, A. Mennella, M.-A. Miville-Deschênes, A. Moneti, L. Montier, J. Mora, G. Morgante, N. Morisset, D. Mortlock, D. Munshi, A. Murphy, P. Naselsky, A. Nash, P. Natoli, C. B. Netterfield, D. Novikov, I. Novikov, I. J. O'Dwyer, S. Osborne, F. Pajot, F. Pasian, G. Patanchon, D. Pearson, O. Perdereau, L. Perotto, F. Perrotta, F. Piacentini, M. Piat, S. Plaszczynski, P. Platania, E. Pointecouteau, G. Polenta, N. Ponthieu, T. Poutanen, G. Prézeau, M. Prina, S. Prunet, J.-L. Puget, J. P. Rachen, R. Rebolo, M. Reinecke, C. Renault, S. Ricciardi, T. Riller, I. Ristorcelli, G. Rocha, C. Rosset, J. A. Rubiño-Martín, B. Rusholme, M. Sandri, D. Santos, G. Savini, B. M. Schaefer, D. Scott, M. D. Seiffert, P. Shellard, G. F. Smoot, J.-L. Starck, P. Stassi, F. Stivoli, V. Stolyarov, R. Stompor, R. Sudiwala, J.-F. Sygnet, J. A. Tauber, L. Terenzi, L. Toffolatti, M. Tomasi, J.-P. Torre, M. Tristram, J. Tuovinen, L. Valenziano, L. Vibert, P. Vielva, F. Villa, N. Vittorio, L. A. Wade, B. D. Wandelt, C. Watson, S. D. M. White, A. Wilkinson, P. Wilson, D. Yvon, A. Zacchei, B. Zhang, A. Zonca

School of Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

Abstract

The performance of the Planck instruments in space is enabled by their low operating temperatures, 20 K for LFI and 0.1 K for HFI, achieved through a combination of passive radiative cooling and three active mechanical coolers. The scientific requirement for very broad frequency coverage led to two detector technologies with widely different temperature and cooling needs. Active coolers could satisfy these needs; a helium cryostat, as used by previous cryogenic space missions (IRAS, COBE, ISO, Spitzer, AKARI), could not. Radiative cooling is provided by three V-groove radiators and a large telescope baffle. The active coolers are a hydrogen sorption cooler (

Original language	English
Article number	A2
Number of pages	31
Journal	Astronomy & Astrophysics
Volume	536
DOIs	https://doi.org/10.1051/0004-6361/201116486
Publication status	Published - 1 Dec 2011

Access to Document

10.1051/0004-6361/201116486

http://adsabs.harvard.edu/abs/2011A%26A...536A...2P

Cite this

Planck Collaboration, N. V., Ade, P. A. R., Aghanim, N., Arnaud, M., Ashdown, M., Aumont, J., Baccigalupi, C., Baker, M., Balbi, A., Banday, A. J., Barreiro, R. B., Battaner, E., Benabed, K., Benoît, A., Bernard, J.-P., Bersanelli, M., Bhandari, P., Bhatia, R., Bock, J. J., ... Zonca, A. (2011). Planck early results. II. The thermal performance of Planck. Astronomy & Astrophysics, 536, Article A2. https://doi.org/10.1051/0004-6361/201116486

@article{d0b293f15e364373a4a3213bb1d66c3c,

title = "Planck early results. II. The thermal performance of Planck",

abstract = "The performance of the Planck instruments in space is enabled by their low operating temperatures, 20 K for LFI and 0.1 K for HFI, achieved through a combination of passive radiative cooling and three active mechanical coolers. The scientific requirement for very broad frequency coverage led to two detector technologies with widely different temperature and cooling needs. Active coolers could satisfy these needs; a helium cryostat, as used by previous cryogenic space missions (IRAS, COBE, ISO, Spitzer, AKARI), could not. Radiative cooling is provided by three V-groove radiators and a large telescope baffle. The active coolers are a hydrogen sorption cooler (",

author = "{Planck Collaboration}, {[No Value]} and Ade, {P. A. R.} and N. Aghanim and M. Arnaud and M. Ashdown and J. Aumont and C. Baccigalupi and M. Baker and A. Balbi and Banday, {A. J.} and Barreiro, {R. B.} and E. Battaner and K. Benabed and A. Beno{\^i}t and J.-P. Bernard and M. Bersanelli and P. Bhandari and R. Bhatia and Bock, {J. J.} and A. Bonaldi and Bond, {J. R.} and J. Borders and J. Borrill and Bouchet, {F. R.} and B. Bowman and T. Bradshaw and E. Br{\'e}elle and M. Bucher and C. Burigana and Butler, {R. C.} and P. Cabella and P. Camus and Cantalupo, {C. M.} and B. Cappellini and J.-F. Cardoso and A. Catalano and L. Cay{\'o}n and A. Challinor and A. Chamballu and Chambelland, {J. P.} and J. Charra and M. Charra and L.-Y. Chiang and C. Chiang and Christensen, {P. R.} and Clements, {D. L.} and B. Collaudin and S. Colombi and F. Couchot and A. Coulais and Crill, {B. P.} and M. Crook and F. Cuttaia and C. Damasio and L. Danese and Davies, {R. D.} and Davis, {R. J.} and {de Bernardis}, P. and {de Gasperis}, G. and {de Rosa}, A. and J. Delabrouille and J.-M. Delouis and F.-X. D{\'e}sert and K. Dolag and S. Donzelli and O. Dor{\'e} and U. D{\"o}rl and M. Douspis and X. Dupac and G. Efstathiou and En{\ss}lin, {T. A.} and Eriksen, {H. K.} and C. Filliard and F. Finelli and S. Foley and O. Forni and P. Fosalba and J.-J. Fourmond and M. Frailis and E. Franceschi and S. Galeotta and K. Ganga and E. Gavila and M. Giard and G. Giardino and Y. Giraud-H{\'e}raud and J. Gonz{\'a}lez-Nuevo and G{\'o}rski, {K. M.} and S. Gratton and A. Gregorio and A. Gruppuso and G. Guyot and D. Harrison and G. Helou and S. Henrot-Versill{\'e} and C. Hern{\'a}ndez-Monteagudo and D. Herranz and Hildebrandt, {S. R.} and E. Hivon and M. Hobson and Holmes, {W. A.} and A. Hornstrup and W. Hovest and Hoyland, {R. J.} and Huffenberger, {K. M.} and U. Israelsson and Jaffe, {A. H.} and Jones, {W. C.} and M. Juvela and E. Keih{\"a}nen and R. Keskitalo and Kisner, {T. S.} and R. Kneissl and L. Knox and H. Kurki-Suonio and G. Lagache and J.-M. Lamarre and P. Lami and A. Lasenby and Laureijs, {R. J.} and A. Lavabre and Lawrence, {C. R.} and S. Leach and R. Lee and R. Leonardi and C. Leroy and Lilje, {P. B.} and M. L{\'o}pez-Caniego and Lubin, {P. M.} and Mac{\'i}as-P{\'e}rez, {J. F.} and T. Maciaszek and MacTavish, {C. J.} and B. Maffei and D. Maino and N. Mandolesi and R. Mann and M. Maris and E. Mart{\'i}nez-Gonz{\'a}lez and S. Masi and S. Matarrese and F. Matthai and P. Mazzotta and P. McGehee and Meinhold, {P. R.} and A. Melchiorri and F. Melot and L. Mendes and A. Mennella and M.-A. Miville-Desch{\^e}nes and A. Moneti and L. Montier and J. Mora and G. Morgante and N. Morisset and D. Mortlock and D. Munshi and A. Murphy and P. Naselsky and A. Nash and P. Natoli and Netterfield, {C. B.} and D. Novikov and I. Novikov and O'Dwyer, {I. J.} and S. Osborne and F. Pajot and F. Pasian and G. Patanchon and D. Pearson and O. Perdereau and L. Perotto and F. Perrotta and F. Piacentini and M. Piat and S. Plaszczynski and P. Platania and E. Pointecouteau and G. Polenta and N. Ponthieu and T. Poutanen and G. Pr{\'e}zeau and M. Prina and S. Prunet and J.-L. Puget and Rachen, {J. P.} and R. Rebolo and M. Reinecke and C. Renault and S. Ricciardi and T. Riller and I. Ristorcelli and G. Rocha and C. Rosset and Rubi{\~n}o-Mart{\'i}n, {J. A.} and B. Rusholme and M. Sandri and D. Santos and G. Savini and Schaefer, {B. M.} and D. Scott and Seiffert, {M. D.} and P. Shellard and Smoot, {G. F.} and J.-L. Starck and P. Stassi and F. Stivoli and V. Stolyarov and R. Stompor and R. Sudiwala and J.-F. Sygnet and Tauber, {J. A.} and L. Terenzi and L. Toffolatti and M. Tomasi and J.-P. Torre and M. Tristram and J. Tuovinen and L. Valenziano and L. Vibert and P. Vielva and F. Villa and N. Vittorio and Wade, {L. A.} and Wandelt, {B. D.} and C. Watson and White, {S. D. M.} and A. Wilkinson and P. Wilson and D. Yvon and A. Zacchei and B. Zhang and A. Zonca",

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Planck Collaboration, NV, Ade, PAR, Aghanim, N, Arnaud, M, Ashdown, M, Aumont, J, Baccigalupi, C, Baker, M, Balbi, A, Banday, AJ, Barreiro, RB, Battaner, E, Benabed, K, Benoît, A, Bernard, J-P, Bersanelli, M, Bhandari, P, Bhatia, R, Bock, JJ, Bonaldi, A, Bond, JR, Borders, J, Borrill, J, Bouchet, FR, Bowman, B, Bradshaw, T, Bréelle, E, Bucher, M, Burigana, C, Butler, RC, Cabella, P, Camus, P, Cantalupo, CM, Cappellini, B, Cardoso, J-F, Catalano, A, Cayón, L, Challinor, A, Chamballu, A, Chambelland, JP, Charra, J, Charra, M, Chiang, L-Y, Chiang, C, Christensen, PR, Clements, DL, Collaudin, B, Colombi, S, Couchot, F, Coulais, A, Crill, BP, Crook, M, Cuttaia, F, Damasio, C, Danese, L, Davies, RD, Davis, RJ, de Bernardis, P, de Gasperis, G, de Rosa, A, Delabrouille, J, Delouis, J-M, Désert, F-X, Dolag, K, Donzelli, S, Doré, O, Dörl, U, Douspis, M, Dupac, X, Efstathiou, G, Enßlin, TA, Eriksen, HK, Filliard, C, Finelli, F, Foley, S, Forni, O, Fosalba, P, Fourmond, J-J, Frailis, M, Franceschi, E, Galeotta, S, Ganga, K, Gavila, E, Giard, M, Giardino, G, Giraud-Héraud, Y, González-Nuevo, J, Górski, KM, Gratton, S, Gregorio, A, Gruppuso, A, Guyot, G, Harrison, D, Helou, G, Henrot-Versillé, S, Hernández-Monteagudo, C, Herranz, D, Hildebrandt, SR, Hivon, E, Hobson, M, Holmes, WA, Hornstrup, A, Hovest, W, Hoyland, RJ, Huffenberger, KM, Israelsson, U, Jaffe, AH, Jones, WC, Juvela, M, Keihänen, E, Keskitalo, R, Kisner, TS, Kneissl, R, Knox, L, Kurki-Suonio, H, Lagache, G, Lamarre, J-M, Lami, P, Lasenby, A, Laureijs, RJ, Lavabre, A, Lawrence, CR, Leach, S, Lee, R, Leonardi, R, Leroy, C, Lilje, PB, López-Caniego, M, Lubin, PM, Macías-Pérez, JF, Maciaszek, T, MacTavish, CJ, Maffei, B, Maino, D, Mandolesi, N, Mann, R, Maris, M, Martínez-González, E, Masi, S, Matarrese, S, Matthai, F, Mazzotta, P, McGehee, P, Meinhold, PR, Melchiorri, A, Melot, F, Mendes, L, Mennella, A, Miville-Deschênes, M-A, Moneti, A, Montier, L, Mora, J, Morgante, G, Morisset, N, Mortlock, D, Munshi, D, Murphy, A, Naselsky, P, Nash, A, Natoli, P, Netterfield, CB, Novikov, D, Novikov, I, O'Dwyer, IJ, Osborne, S, Pajot, F, Pasian, F, Patanchon, G, Pearson, D, Perdereau, O, Perotto, L, Perrotta, F, Piacentini, F, Piat, M, Plaszczynski, S, Platania, P, Pointecouteau, E, Polenta, G, Ponthieu, N, Poutanen, T, Prézeau, G, Prina, M, Prunet, S, Puget, J-L, Rachen, JP, Rebolo, R, Reinecke, M, Renault, C, Ricciardi, S, Riller, T, Ristorcelli, I, Rocha, G, Rosset, C, Rubiño-Martín, JA, Rusholme, B, Sandri, M, Santos, D, Savini, G, Schaefer, BM, Scott, D, Seiffert, MD, Shellard, P, Smoot, GF, Starck, J-L, Stassi, P, Stivoli, F, Stolyarov, V, Stompor, R, Sudiwala, R, Sygnet, J-F, Tauber, JA, Terenzi, L, Toffolatti, L, Tomasi, M, Torre, J-P, Tristram, M, Tuovinen, J, Valenziano, L, Vibert, L, Vielva, P, Villa, F, Vittorio, N, Wade, LA, Wandelt, BD, Watson, C, White, SDM, Wilkinson, A, Wilson, P, Yvon, D, Zacchei, A, Zhang, B & Zonca, A 2011, 'Planck early results. II. The thermal performance of Planck', Astronomy & Astrophysics, vol. 536, A2. https://doi.org/10.1051/0004-6361/201116486

TY - JOUR

T1 - Planck early results. II. The thermal performance of Planck

AU - Planck Collaboration, [No Value]

AU - Ade, P. A. R.

AU - Aghanim, N.

AU - Arnaud, M.

AU - Ashdown, M.

AU - Aumont, J.

AU - Baccigalupi, C.

AU - Baker, M.

AU - Balbi, A.

AU - Banday, A. J.

AU - Barreiro, R. B.

AU - Battaner, E.

AU - Benabed, K.

AU - Benoît, A.

AU - Bernard, J.-P.

AU - Bersanelli, M.

AU - Bhandari, P.

AU - Bhatia, R.

AU - Bock, J. J.

AU - Bonaldi, A.

AU - Bond, J. R.

AU - Borders, J.

AU - Borrill, J.

AU - Bouchet, F. R.

AU - Bowman, B.

AU - Bradshaw, T.

AU - Bréelle, E.

AU - Bucher, M.

AU - Burigana, C.

AU - Butler, R. C.

AU - Cabella, P.

AU - Camus, P.

AU - Cantalupo, C. M.

AU - Cappellini, B.

AU - Cardoso, J.-F.

AU - Catalano, A.

AU - Cayón, L.

AU - Challinor, A.

AU - Chamballu, A.

AU - Chambelland, J. P.

AU - Charra, J.

AU - Charra, M.

AU - Chiang, L.-Y.

AU - Chiang, C.

AU - Christensen, P. R.

AU - Clements, D. L.

AU - Collaudin, B.

AU - Colombi, S.

AU - Couchot, F.

AU - Coulais, A.

AU - Crill, B. P.

AU - Crook, M.

AU - Cuttaia, F.

AU - Damasio, C.

AU - Danese, L.

AU - Davies, R. D.

AU - Davis, R. J.

AU - de Bernardis, P.

AU - de Gasperis, G.

AU - de Rosa, A.

AU - Delabrouille, J.

AU - Delouis, J.-M.

AU - Désert, F.-X.

AU - Dolag, K.

AU - Donzelli, S.

AU - Doré, O.

AU - Dörl, U.

AU - Douspis, M.

AU - Dupac, X.

AU - Efstathiou, G.

AU - Enßlin, T. A.

AU - Eriksen, H. K.

AU - Filliard, C.

AU - Finelli, F.

AU - Foley, S.

AU - Forni, O.

AU - Fosalba, P.

AU - Fourmond, J.-J.

AU - Frailis, M.

AU - Franceschi, E.

AU - Galeotta, S.

AU - Ganga, K.

AU - Gavila, E.

AU - Giard, M.

AU - Giardino, G.

AU - Giraud-Héraud, Y.

AU - González-Nuevo, J.

AU - Górski, K. M.

AU - Gratton, S.

AU - Gregorio, A.

AU - Gruppuso, A.

AU - Guyot, G.

AU - Harrison, D.

AU - Helou, G.

AU - Henrot-Versillé, S.

AU - Hernández-Monteagudo, C.

AU - Herranz, D.

AU - Hildebrandt, S. R.

AU - Hivon, E.

AU - Hobson, M.

AU - Holmes, W. A.

AU - Hornstrup, A.

AU - Hovest, W.

AU - Hoyland, R. J.

AU - Huffenberger, K. M.

AU - Israelsson, U.

AU - Jaffe, A. H.

AU - Jones, W. C.

AU - Juvela, M.

AU - Keihänen, E.

AU - Keskitalo, R.

AU - Kisner, T. S.

AU - Kneissl, R.

AU - Knox, L.

AU - Kurki-Suonio, H.

AU - Lagache, G.

AU - Lamarre, J.-M.

AU - Lami, P.

AU - Lasenby, A.

AU - Laureijs, R. J.

AU - Lavabre, A.

AU - Lawrence, C. R.

AU - Leach, S.

AU - Lee, R.

AU - Leonardi, R.

AU - Leroy, C.

AU - Lilje, P. B.

AU - López-Caniego, M.

AU - Lubin, P. M.

AU - Macías-Pérez, J. F.

AU - Maciaszek, T.

AU - MacTavish, C. J.

AU - Maffei, B.

AU - Maino, D.

AU - Mandolesi, N.

AU - Mann, R.

AU - Maris, M.

AU - Martínez-González, E.

AU - Masi, S.

AU - Matarrese, S.

AU - Matthai, F.

AU - Mazzotta, P.

AU - McGehee, P.

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PY - 2011/12/1

Y1 - 2011/12/1

N2 - The performance of the Planck instruments in space is enabled by their low operating temperatures, 20 K for LFI and 0.1 K for HFI, achieved through a combination of passive radiative cooling and three active mechanical coolers. The scientific requirement for very broad frequency coverage led to two detector technologies with widely different temperature and cooling needs. Active coolers could satisfy these needs; a helium cryostat, as used by previous cryogenic space missions (IRAS, COBE, ISO, Spitzer, AKARI), could not. Radiative cooling is provided by three V-groove radiators and a large telescope baffle. The active coolers are a hydrogen sorption cooler (

AB - The performance of the Planck instruments in space is enabled by their low operating temperatures, 20 K for LFI and 0.1 K for HFI, achieved through a combination of passive radiative cooling and three active mechanical coolers. The scientific requirement for very broad frequency coverage led to two detector technologies with widely different temperature and cooling needs. Active coolers could satisfy these needs; a helium cryostat, as used by previous cryogenic space missions (IRAS, COBE, ISO, Spitzer, AKARI), could not. Radiative cooling is provided by three V-groove radiators and a large telescope baffle. The active coolers are a hydrogen sorption cooler (

UR - http://www.scopus.com/inward/record.url?scp=82955188001&partnerID=8YFLogxK

U2 - 10.1051/0004-6361/201116486

DO - 10.1051/0004-6361/201116486

M3 - Article

SN - 0004-6361

VL - 536

JO - Astronomy & Astrophysics

JF - Astronomy & Astrophysics

M1 - A2

ER -

Planck early results. II. The thermal performance of Planck

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