Search Results - "Pakull, M W"
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1
A mass of less than 15 solar masses for the black hole in an ultraluminous X-ray source
Published in Nature (London) (09-10-2014)“…Ground-based and satellite observations show that the black hole in the ultraluminous X-ray source P13 has a mass of less than 15 times that of the Sun and…”
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2
The supergiant optical counterpart of ULX P13 in NGC 7793
Published in Astronomische Nachrichten (01-05-2011)“…We have identified the optical counterpart of the ULX source P13 in the nearby spiral galaxy NGC 7793. The object is a V ∼ 20.5 mag star, ten times brighter…”
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3
The face-on disc of MAXI J1836−194
Published in Monthly notices of the Royal Astronomical Society (01-04-2014)“…We present Very Large Telescope optical spectra of the black hole candidate X-ray binary MAXI J1836−194 at the onset of its 2011 outburst. Although the…”
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4
A newly discovered double–double candidate microquasar in NGC 300
Published in Monthly notices of the Royal Astronomical Society (11-01-2019)“…We present the discovery of a powerful candidate microquasar in NGC 300, associated with the S 10 optical nebula (previously classified as a supernova…”
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5
Optical IFU spectroscopy of a bipolar microquasar jet in NGC 300
Published in Monthly notices of the Royal Astronomical Society (21-05-2019)“…Abstract We recently reported the discovery of a candidate jet-driving microquasar (S10) in the nearby spiral galaxy NGC 300. However, in the absence of…”
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6
Infrared identification of hard X-ray sources in the Galaxy
Published in Monthly notices of the Royal Astronomical Society (01-09-2015)“…The nature of the low- to intermediate-luminosity (L X ∼ 1032–34 erg s−1) source population revealed in hard band (2–10 keV) X-ray surveys of the Galactic…”
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7
Multiband counterparts of two eclipsing ultraluminous X-ray sources in M 51
Published in Monthly notices of the Royal Astronomical Society (11-04-2018)“…Abstract We present the discovery and interpretation of ionized nebulae around two ultraluminous X-ray sources in M 51; both sources share the rare property of…”
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8
Optical Properties of the Ultraluminous X-Ray Source Holmberg IX X-1 and Its Stellar Environment
Published in The Astrophysical journal (10-06-2011)“…Holmberg IX X-1 is an archetypal ultraluminous X-ray source (ULX). Here we study the properties of the optical counterpart and of its stellar environment using…”
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9
Detection of an X-ray-ionized nebula around the black hole candidate binary LMC X-1
Published in Nature (London) (07-08-1986)“…Optical spectra of the black hole candidate X-ray binary LMC X-1 reveal that the system is surrounded by an extended, highly ionized He III region, N159F,…”
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10
Optical IFU spectroscopy of a bipolar microquasar jet in NGC 300
Published 28-02-2019“…We recently reported the discovery of a candidate jet-driving microquasar (S10) in the nearby spiral galaxy NGC 300. However, in the absence of kinematic…”
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11
The ultraluminous X-ray source bubble in NGC 5585
Published in Monthly notices of the Royal Astronomical Society (2021)“…ABSTRACT Some ultraluminous X-ray sources (ULXs) are surrounded by collisionally ionized bubbles, larger and more energetic than supernova remnants: they are…”
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12
Multiband counterparts of two eclipsing ultraluminous X-ray sources in M 51
Published 05-01-2018“…We present the discovery and interpretation of ionized nebulae around two ultraluminous X-ray sources in M 51; both sources share the rare property of showing…”
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13
A newly discovered double-double candidate microquasar in NGC 300
Published 10-10-2018“…We present the discovery of a powerful candidate microquasar in NGC 300, associated with the S 10 optical nebula (previously classified as a supernova…”
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Journal Article -
14
A mass of less than 15 solar masses for the black hole in an ultraluminous X-ray source
Published 15-10-2014“…Nature, 514, 198-201 Most ultraluminous X-ray sources (ULXs) display a typical set of properties not seen in Galactic stellar-mass black holes (BHs): higher…”
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15
Neutral gas heating by X-rays in primitive galaxies: Infrared observations of IZw18 with Herschel
Published 03-03-2017“…A&A 602, A45 (2017) (abridged) The dominant thermal mechanisms in the neutral interstellar medium, which acts as a star-forming gas reservoir, are uncertain in…”
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16
LHG 83: Another outstanding X-ray binary in the LMC
Published in Space science reviews (01-02-1985)“…The strongest X-ray point source, LHG 83, discovered in the Einstein survey of the LMC and not being associated with a nearby coronal type stellar emitter or…”
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17
Detection of an X-ray-ionized nebula around the black hole candidate binary LMC X-l
Published in Nature (London) (07-08-1986)Get full text
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18
Infrared identification of hard X-ray sources in the Galaxy
Published 09-06-2015“…The nature of the low- to intermediate-luminosity (Lx$\,\sim 10^{32-34}$ erg s$^{-1}$) source population revealed in hard band (2-10 keV) X-ray surveys of the…”
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19
CCD photometry of low mass X-ray binaries: LMCX-2, 1556-60 and 1957+11
Published in Space science reviews (01-02-1985)“…Preliminary results are presented from V-band CCD photometric observations of several low-mass X-ray binaries with faint optical counterparts that were…”
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20
The supergiant optical counterpart of ULX P13 in NGC7793
Published 18-11-2010“…We have identified the optical counterpart of the ULX source P13 in the nearby spiral galaxy NGC 7793. The object is a V ~ 20.5 mag star, ten times brighter…”
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