... 1 and 3 partially, but except for White dwarf spectra there is nothing better Extended emission · Crab is extended: synchrotron nebula + dust scattering · RGS detectors (5' width) contain ~90 % of flux · Fraction energydependent · Determine using power ...
[
Текст
]
Ссылки http://xmm.vilspa.esa.es/external/xmm_sw_cal/icwg/presentations/crab_kaastra.pdf -- 242.0 Кб -- 19.06.2006 Похожие документы
... a constant intensity source, since most of the emission is from the diffuse part of the nebula, which 1 mkirsch@sciops.esa.int ... The pulsar is believed to inject high-energy electrons into the nebula that radiate via synchrotron emission. ...
[
Текст
]
Ссылки http://xmm.vilspa.esa.es/docs/documents/CAL-TN-0061-1-0.pdf -- 1023.2 Кб -- 10.11.2005 Похожие документы
... the results of a specific calibration experiment performed on the Crab Nebula (cf ... Two subsequent observations of the Crab Nebula were performed in September 2011 to ...
[
Текст
]
Ссылки http://xmm.vilspa.esa.es/docs/documents/CAL-SRN-0302-1-5.pdf -- 319.7 Кб -- 25.10.2013 Похожие документы
... We were able to distinguish four typical regions as (a) background (Cols. 1-13 and 55-64) (b) outer nebula (Cols. 14-22 and 47-54) (c) inner nebula (Cols. 23-33 and 41-46), and (d) pulsar (Cols. ...
[
Текст
]
Ссылки http://xmm.vilspa.esa.es/docs/documents/CAL-TN-0069-1-0.pdf -- 913.2 Кб -- 04.07.2006 Похожие документы
... 1ES010272 65 Low energy emission line gain and and N132D 76 & 83 provide cross check with CHANDRA Crab Nebula 54 & 56 Onaxis effective area in diffuse source. ...
[
Текст
]
Ссылки http://xmm.vilspa.esa.es/docs/documents/CAL-TN-0012-1-0.ps.gz -- 336.8 Кб -- 11.01.2001 Похожие документы
... absolute calibration of the X-ray spectrum of the Crab nebula", was recalled as an example of a dedicated calibration space ... Some discussion took place of the use of stars with emission lines as standard sources. ...
... star RX J1856.6-3754 (black) and the Vela Pulsar Wind Nebula (red), both constant ... the area at the wavelengths of some prominent emission lines has varied since launch ...
... emission lines are thought to be present in the Fe-K band accessible to EPIC of many galactic and extragalactic X-ray spectra and claims have also been made of similar broad features in the RGS band below 2 keV, due perhaps to the equivalent Fe-L shell ...
... orbit drift and consequently reduced reflected emission from Earth decreased the ... the history of X-ray astronomy the Crab nebula has served as a reference which, in ...
[
Текст
]
Ссылки http://xmm.vilspa.esa.es/docs/documents/CAL-TN-0062-1-0.pdf -- 673.9 Кб -- 10.11.2005 Похожие документы