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- W2045532585 abstract "view Abstract Citations (19) References (31) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS A ROSAT-detected, New Galactic Supernova Remnant in Sagittarius, G13.3-1.3 Seward, F. D. ; Dame, T. M. ; Fesen, R. A. ; Aschenbach, B. Abstract Faint and diffuse soft X-ray emission, coincident with [S II] strong optical filaments, probably marks a previously unrecognized supernova remnant (SNR) in Sagittarius (1 = 13.3, b = -1.3). ROSAT PSPC data show soft X-rays from an area 40' × 70' with a flux of 1.3 × 10-11 erg cm-2 s-1 between 0.1-2.4 keV. Optical interference-filter images taken of the region reveal a 20' long complex of relatively bright filaments located along the south central boundary of the X-ray region which may be associated with a ridge of faint 11 cm continuum emission. Optical spectra of these filaments show strong [S II] λλ6716, 6731 emission ([S II]/ Hα = 0.85) and [O I] λλ6300, 6364 characteristic of shocked interstellar gas found in SNRs. Both X-rays and optical emissions along the source's NE extent show strong absorption by the dust regions Lynds 332, 336, and 342, indicating a location behind these nebulae. CO emission from this region has been mapped and a kinematic distance derived for absorbing material. The remnant is shown to lie between two absorbing regions located at distances of 2 and 4 kpc. Publication: The Astrophysical Journal Pub Date: August 1995 DOI: 10.1086/176089 Bibcode: 1995ApJ...449..681S Keywords: ISM: SUPERNOVA REMNANTS; ISM: INDIVIDUAL ALPHANUMERIC: G13.3-1.3; X-RAYS: ISM full text sources ADS | data products SIMBAD (16) HEASARC (1)" @default.
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- W2045532585 title "A ROSAT-detected, New Galactic Supernova Remnant in Sagittarius, G13.3-1.3" @default.
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