The supersoft X-ray source in V5116 Sagittarii
نویسندگان
چکیده
منابع مشابه
The supersoft X-ray source in V5116 Sagittarii - I. The high resolution spectra
Context. Classical nova explosions occur on the surface of an accreting white dwarf in a binary system. After ejection of a fraction of the envelope and when the expanding shell becomes optically thin to X-rays, a bright source of supersoft X-rays arises, powered by residual H burning on the surface of the white dwarf. While the general picture of the nova event is well established, the details...
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Context. We report the discovery of a new luminous supersoft source, XMMU J005455.0−374117, in the nearby spiral galaxy NGC 300, in XMM-Newton observations performed on 2005 May 22 and on 2005 November 25. The source is not present in ROSAT data nor in the previous XMM-Newton observations of 2000 December/2001 January. The unique luminous supersoft source, XMMU J005510.7−373855, detected in the...
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We report the results of XMM-Newton observations for an especially luminous supersoft X-ray source (SSS) with bolometric luminosity of 10 39 erg s −1 in the spiral galaxy NGC 300. The source was detected as a SSS in 1992 and disappeared in subsequent X-ray observations. The source was active again during recent XMM-Newton observations. It appeared to be very soft (kT ∼ 60 eV) and very luminous ...
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We report on luminous supersoft X-ray sources (SSSs) in M31. In a survey which was most sensitive to soft sources in four 8×8 regions covered by Chandra’s ACIS-S S3 CCD, we find 33 SSSs that appear to belong to M31. Two of these were first identified as SSSs through ROSAT observations. Two SSSs may be identified with symbiotics, and 2 with supernova remnants. SSSs in the disk are clustered near...
متن کاملLetter to the Editor A transient supersoft X-ray source in the Large Magellanic Cloud
We present new X-ray data with an improved position for the supersoft X-ray source RX J0537.7-7034 and propose a candidate for the optical identification. The X-ray source had an “on” and an “off” state andwas variable on a time scale of months. The proposed optical counterpart is displaced by only 9 arcsec; it is a blue variable star whith an amplitude modulation in the optical light curve. Th...
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ژورنال
عنوان ژورنال: Astronomy & Astrophysics
سال: 2017
ISSN: 0004-6361,1432-0746
DOI: 10.1051/0004-6361/201628957