@article{
 title = { ASCA Observations of the Sagittarius B2 Cloud: An X‐Ray Reflection Nebula },
 type = {article},
 year = {2000},
 identifiers = {[object Object]},
 keywords = {Galaxy: abundances,Galaxy: center,ISM: clouds,ISM: individual (Sagittarius B2),X-rays: ISM},
 pages = {283-290},
 volume = {534},
 websites = {http://stacks.iop.org/0004-637X/534/i=1/a=283},
 month = {5},
 publisher = {IOP Publishing},
 id = {e19d3383-8b55-3db6-93f3-dad9c637418b},
 created = {2019-11-05T08:27:54.071Z},
 accessed = {2018-01-30},
 file_attached = {true},
 profile_id = {ec4888e4-cd9f-3ee0-90a1-39a024d1537d},
 last_modified = {2022-07-15T21:49:05.175Z},
 read = {true},
 starred = {false},
 authored = {true},
 confirmed = {true},
 hidden = {false},
 citation_key = {murakami00a},
 source_type = {article},
 folder_uuids = {9989056f-58f0-4daf-a99f-4779f0cdd416,5a859072-32ae-4559-8859-863b99a8e32c},
 private_publication = {false},
 abstract = {We present the ASCA results of imaging spectroscopy of the giant molecular cloud Sgr B2. The X-ray spectrum is found to be very peculiar; it exhibits a strong emission line at 6.4 keV, a low-energy cutoff below about 4 keV, and a pronounced edge structure at 7.1 keV. The X-ray image is extended, and its peak position is shifted from the core of the molecular cloud toward the Galactic center by about 1́-2́. The X-ray spectrum and the morphology are well reproduced by a scenario that X-rays from an external source located in the Galactic center direction are scattered by the molecular cloud Sgr B2 and come into our line of sight. Thus, Sgr B2 may be called an X-ray reflection nebula. Possible implications of the Galactic center activity related to this unique source are presented.},
 bibtype = {article},
 author = {Murakami, Hiroshi and Koyama, Katsuji and Sakano, Masaaki and Tsujimoto, Masahiro and Maeda, Yoshitomo},
 journal = {The Astrophysical Journal},
 number = {1}
}

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