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Astronomische Nachrichten, ISSN 0004-6337, 03/2017, Volume 338, Issue 2-3, pp. 159 - 164
eROSITA (extended ROentgen Survey with an Imaging Telescope Array) is the core instrument on the Russian–German Spectrum‐Roentgen‐Gamma (SRG) mission, which is... 
X‐ray mission | X‐ray survey | X-ray mission | X-ray survey | ASTRONOMY & ASTROPHYSICS | Star & galaxy formation | Imaging | Astronomical models | Launches | Black holes (astronomy) | Sky surveys (astronomy) | Missions | Arrays | X-ray stars
Journal Article
Astronomische Nachrichten, ISSN 0004-6337, 06/2014, Volume 335, Issue 5, pp. 517 - 522
eROSITA (extended ROentgen Survey with an Imaging Telescope Array) is the core instrument on the Russian/German Spektrum‐Roentgen‐Gamma (SRG) mission which is... 
surveys | space vehicles | X‐rays: general | telescopes | Space vehicles | Surveys | Telescopes | X-rays: general | ASTRONOMY & ASTROPHYSICS | Telescope | Universe | Cosmology | X ray astronomy
Journal Article
by den Herder, J.W and Piro, L and Ohashi, T and Kouveliotou, C and Hartmann, D.H and Kaastra, J.S and Amati, L and Andersen, M.I and Arnaud, M and Atteia, J.-L and Bandler, S and Barbera, M and Barcons, X and Barthelmy, S and Basa, S and Basso, S and de Boer, M and Branchini, E and Branduardi-Raymont, G and Borgani, S and Boyarsky, A and Brunetti, G and Budtz-Jorgensen, C and Burrows, D and Butler, N and Campana, S and Caroli, E and Ceballos, M and Christensen, F and Churazov, E and Comastri, A and Colasanti, L and Cole, R and Content, R and Corsi, A and Costantini, E and Conconi, P and Cusumano, G and de Plaa, J and De Rosa, A and Del Santo, M and Di Cosimo, S and De Pasquale, M and Doriese, R and Ettori, S and Evans, P and Ezoe, Y and Ferrari, L and Finger, H and Figueroa-Feliciano, T and Frieich, P and Fujimoto, R and Furuzawa, A and Fynbo, J and Gatti, F and Galeazzi, M and Gehrels, N and Gene, B and Ghirlanda, G and Ghisellini, G and Gilfanov, M and Giommi, P and Girardi, M and Grindlay, J and Cocchi, M and Godet, O and Guedel, M and Haardt, F and Hartog, R and Hepburn, I and Hermsen, W and Hjorth, J and Hoekstra, H and Holland, A and Hornstrup, A and van der Horst, A and Hoshino, A and in 't Zand, J and Irwin, K and Ishisaki, Y and Jonker, P and Kitayama, T and Kawahara, H and Kawai, N and Kelley, R and Kilbourne, C and de Korte, P and Kusenko, A and Kuvvetli, I and Labanti, M and Macculi, C and Maiolino, R and Mas Hesse, M and Matsushita, K and Mazzotta, P and McCammon, D and Méndez, M and Mignani, R and Mineo, T and Mitsuda, K and ...
Experimental Astronomy, ISSN 0922-6435, 2012, Volume 34, pp. 519 - 549
ORIGIN is a proposal for the M3 mission call of ESA aimed at the study of metal creation from the epoch of cosmic dawn. Using high-spectral resolution in the... 
Journal Article
ASTRONOMY & ASTROPHYSICS, ISSN 0004-6361, 01/1995, Volume 293, Issue 3, pp. 889 - 905
We have studied X-ray halos around 25 point sources and four supernova remnants using ROSAT observations. All sources were observed during the ROSAT all-sky... 
GRAINS | COUNTERPART | INTERSTELLAR MEDIUM, DUST | ASTRONOMY & ASTROPHYSICS | X-RAYS, ISM | ISM, CAS A
Journal Article
by den Herder, Jan-Willem and Piro, Luigi and Ohashi, Takaya and Kouveliotou, Chryssa and Hartmann, Dieter H and Kaastra, Jelle S and Amati, L and Andersen, M. I and Arnaud, M and Attéia, J.-L and Bandler, S and Barbera, M and Barcons, X and Barthelmy, S and Basa, S and Basso, S and Boer, M and Branchini, E and Branduardi-Raymont, G and Borgani, S and Boyarsky, A and Brunetti, G and Budtz-Jorgensen, C and Burrows, D and Butler, N and Campana, S and Caroli, E and Ceballos, M and Christensen, F and Churazov, E and Comastri, A and Colasanti, L and Cole, R and Content, R and Corsi, A and Costantini, E and Conconi, P and Cusumano, G and de Plaa, J and De Rosa, A and Del Santo, M and Di Cosimo, S and De Pasquale, M and Doriese, R and Ettori, S and Evans, P and Ezoe, Y and Ferrari, L and Finger, H and Figueroa-Feliciano, T and Frieich, P and Fujimoto, R and Furuzawa, A and Fynbo, J and Gatti, F and Galeazzi, M and Gehrels, N and Gene, B and Ghirlanda, G and Ghisellini, G and Gilfanov, M and Giommi, P and Girardi, M and Grindlay, J and Cocchi, M and Godet, O and Guedel, M and Haardt, F and den Hartog, R and Hepburn, I and Hermsen, W and Hjorth, J and Hoekstra, H and Holland, A and Hornstrup, A and van der Horst, A and Hoshino, A and in't Zand, J and Irwin, K and Ishisaki, Y and Jonker, P and Kitayama, T and Kawahara, H and Kawai, N and Kelley, R and Kilbourne, C and de Korte, P and Kusenko, A and Kuvvetli, I and Labanti, M and Macculi, C and Maiolino, R and Hesse, M. Mas and Matsushita, K and Mazzotta, P and McCammon, D and Méndez, M and Mignani, R and Mineo, T and Mitsuda, K and ...
Experimental Astronomy, ISSN 0922-6435, 10/2012, Volume 34, Issue 2, pp. 519 - 549
Journal Article
Astronomy and Astrophysics, ISSN 0004-6361, 01/2001, Volume 365, Issue 1, pp. L18 - L26
The European Photon Imaging Camera (EPIC)consortium has provided the focal plane instruments for the three X-ray mirror systems on XMM-Newton. Two cameras with... 
XMM-Newton | Particle and fluorescence background | Quantum efficiency | Back illuminated pn-CCDs | Energy resolution | Radiation hardness | particle and flourescence background | quantum efficiency | ASTRONOMY & ASTROPHYSICS | back illuminated pn-CCDs | energy resolution | radiation hardness
Journal Article
Physical Review Letters, ISSN 0031-9007, 11/2011, Volume 107, Issue 20, p. 203001
We have measured the 1S-2S transition frequency in atomic hydrogen via two-photon spectroscopy on a 5.8 K atomic beam. We obtain f(1S-2S) = 2 466 061 413 187... 
SPECTROSCOPY | PHYSICS, MULTIDISCIPLINARY | HELIUM | Physics - Atomic Physics
Journal Article
Optics Express, ISSN 1094-4087, 06/2017, Volume 25, Issue 13, pp. 15539 - 15548
Frequency-locking a laser to a spectral hole in rare-earth doped crystals at cryogenic temperature has been shown to be a promising alternative to the use of... 
NOISE | OPTICS | TEMPERATURE | CLOCK | Condensed Matter | Physics
Journal Article
Applied Optics, ISSN 1559-128X, 07/2012, Volume 51, Issue 20, pp. 4638 - 4659
We develop an analytical approach to refractive, blazed diffractive, and achromatic x-ray lenses of scalable dimensions for energies from 1 to 20 keV. Based on... 
OPTICS | MICROSCOPY | REFRACTIVE LENSES | FRESNEL | Technology application | Usage | Diffraction | Imaging systems | Innovations | X-rays | Wave functions | Mathematical optimization | Methods | Lenses
Journal Article
The Astrophysical Journal Letters, ISSN 1538-4357, 01/2003, Volume 582, Issue 1, pp. L15 - L19
Ultraluminous infrared galaxies (ULIRGs) are outstanding due to their huge luminosity output in the infrared, which is predominantly powered by superstarbursts... 
Quasars: individual (NGC 6240) | X-rays: galaxies | MERGER NGC-6240 | STARBURST | quasars : individual (NGC 6240) | X-rays : galaxies | ASTRONOMY & ASTROPHYSICS | X-RAY-EMISSION
Journal Article
Physical Review Letters, ISSN 0031-9007, 06/2013, Volume 110, Issue 23, p. 230801
We have measured the frequency of the extremely narrow 1S-2S two-photon transition in atomic hydrogen using a remote cesium fountain clock with the help of a... 
PHYSICS, MULTIDISCIPLINARY | CLOCK | METROLOGY
Journal Article
Experimental Astronomy, ISSN 0922-6435, 2011, Volume 1358, pp. 427 - 430
ORIGIN is a proposal for the M3 mission call of ESA aimed at the study of metal creation from the epoch of cosmic dawn. Using high-spectral resolution in the... 
First stars | Cosmology | Gamma-ray burst | Large scale structure
Journal Article
Astronomy and Astrophysics, ISSN 0004-6361, 2003, Volume 407, Issue 1, pp. L17 - L20
Journal Article
Astronomy and Astrophysics, ISSN 0004-6361, 2012, Volume 545, p. A35
Context. The spatial distribution and variability of Fe-K alpha emission from molecular clouds in the Galactic centre region may provide an important key to... 
ISM: clouds | X-rays: ISM | Cosmic rays | Galaxy: center | STELLAR ORBITS | PHOTON IMAGING CAMERA | XMM-NEWTON OBSERVATION | REFLECTION NEBULAE | STAR-FORMATION | SUPERMASSIVE BLACK-HOLE | B2 CLOUD | cosmic rays | ASTRONOMY & ASTROPHYSICS | CENTER REGION | EMISSION | ARCHES CLUSTER | Galactic Astrophysics | Sciences of the Universe | Astrophysics | High Energy Astrophysical Phenomena
Journal Article
Astronomy and Astrophysics, ISSN 0004-6361, 09/2008, Volume 488, Issue 2, pp. 549 - 557
Context. Our Galaxy hosts at its dynamical center SgrA*, the closest supermassive black hole. Surprisingly, its luminosity is several orders of magnitude lower... 
X-rays: general | X-rays: individuals: SgrA | Galaxy: center | Radiation mechanisms: general | X-rays : general | SGR-A | DISTANCE | PARAMETER-ESTIMATION | INFRARED FLARES | SUPERMASSIVE BLACK-HOLE | ASTRONOMY | ASTRONOMY & ASTROPHYSICS | CHANDRA | GALACTIC-CENTER | radiation mechanisms : general | Galaxy : center | EMISSION | LIKELIHOOD | X-rays : individuals : Sgr A
Journal Article
Optical Engineering, ISSN 0091-3286, 9/2012, Volume 51, Issue 9, pp. 096501 - 096501
We present a diffractive-refractive x-ray telescope for simultaneous imaging in multiple energy bands. Based on segmented achromatic lenses, the system yields... 
Telescopes | Diffractive optics | Astronomy | X-rays | diffractive optics | DESIGN | REFRACTIVE OPTICS | ZONE PLATES | telescopes | PERFORMANCE | LITHIUM METAL | x-rays | OPTICS | astronomy | LENSES
Journal Article
IEEE Transactions on Nuclear Science, ISSN 0018-9499, 04/2012, Volume 59, Issue 2, pp. 425 - 433
Journal Article
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