Search Results - "Harman, D. J"
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Inflows, Outflows, and a Giant Donor in the Remarkable Recurrent Nova M31N 2008-12a?-Hubble Space Telescope Photometry of the 2015 Eruption
Published in The Astrophysical journal (10-11-2017)“…The recurrent nova M31N 2008-12a experiences annual eruptions, contains a near-Chandrasekhar-mass white dwarf, and has the largest mass accretion rate in any…”
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NOVA LIGHT CURVES FROM THE SOLAR MASS EJECTION IMAGER (SMEI). II. THE EXTENDED CATALOG
Published in The Astrophysical journal (01-04-2016)“…ABSTRACT We present the results from observing nine Galactic novae in eruption with the Solar Mass Ejection Imager (SMEI) between 2004 and 2009. While many of…”
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The morphology of the expanding ejecta of V2491 Cygni (2008 N.2)
Published in Monthly notices of the Royal Astronomical Society (01-04-2011)“…Determining the evolution of the ejecta morphology of novae provides valuable information on the shaping mechanisms in operation at early stages of the nova…”
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Hubble Space Telescope Imaging of the Expanding Nebular Remnant of the 2006 Outburst of the Recurrent Nova RS Ophiuchi
Published in The Astrophysical journal (10-08-2007)“…We report Hubble Space Telescope imaging obtained 155 days after the 2006 outburst of RS Ophiuchi. We detect extended emission in both [O III] A5007 and [Ne v]…”
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The Expanding Nebular Remnant of the Recurrent Nova RS Ophiuchi (2006). II. Modeling of Combined Hubble Space Telescope Imaging and Ground-based Spectroscopy
Published in The Astrophysical journal (01-10-2009)“…We report Hubble Space Telescope (HST) imaging, obtained 155 and 449 days after the 2006 outburst of the recurrent nova RS Ophiuchi, together with ground-based…”
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Hubble Space Telescope imaging and ground-based spectroscopy of old nova shells — II. The bipolar shell of the slow nova HR Del
Published in Monthly notices of the Royal Astronomical Society (01-10-2003)“…We present Hubble Space Telescope (HST) WFPC2 imaging of HR Del in filters centred on the lines of Hα, [N ii] and [O iii], with corresponding William Herschel…”
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The creation of the Helix planetary nebula (NGC 7293) by multiple events
Published in Monthly notices of the Royal Astronomical Society (01-07-2005)“…A deep continuum-subtracted image of NGC 7293 has been obtained in the light of the Hα+[N ii] emission lines. New images of two filamentary halo structures…”
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Obesity and type 2 diabetes are important risk factors underlying previously undiagnosed cirrhosis in general practice: a cross‐sectional study using transient elastography
Published in Alimentary pharmacology & therapeutics (01-02-2018)“…Summary Background Rising cirrhosis incidence and mortality in the United Kingdom has been attributed predominantly to excess alcohol consumption. However,…”
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A recurrent nova super-remnant in the Andromeda galaxy
Published in Nature (London) (01-01-2019)“…The accretion of hydrogen onto a white dwarf star ignites a classical nova eruption 1 , 2 —a thermonuclear runaway in the accumulated envelope of gas, leading…”
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No Neon, but Jets in the Remarkable Recurrent Nova M31N 2008-12a?-Hubble Space Telescope Spectroscopy of the 2015 Eruption
Published in The Astrophysical journal (20-09-2017)“…The 2008 discovery of an eruption of M31N 2008-12a began a journey on which the true nature of this remarkable recurrent nova continues to be revealed. M31N…”
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Morpho-kinematical modelling of Nova Eridani 2009 (KT Eri)
Published in Monthly notices of the Royal Astronomical Society (11-08-2013)“…Modelling the morphology of a nova outburst provides valuable information on the shaping mechanism in operation at early stages following the outburst. We…”
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J320 (PN G190.3—17.7) as a poly-polar planetary nebula surrounded by point-symmetric knots
Published in Monthly notices of the Royal Astronomical Society (01-03-2004)“…Spatially resolved, long-slit spectra obtained with the Manchester echelle spectrometer of the planetary nebula J320 have been compared with Hubble Space…”
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The bipolarity of the highest Galactic latitude planetary nebula, LoTr 5 (PN G339.9+88.4), around IN Com
Published in Monthly notices of the Royal Astronomical Society (01-02-2004)“…High-resolution, spatially resolved, long-slit profiles of the [O iii] 5007-Å emission line of the highest Galactic latitude planetary nebula, LoTr 5, have…”
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14
Ten Year Storage Studies on Flame Retarded Polyurethane Foam
Published in Cellular polymers (01-09-2009)“…Three UK manufacturers of flexible polyurethane foam collaborated in a study in which cushion sized samples made from different formulations were stored for a…”
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Kinematics of the Pencil nebula (RCW 37) and its association with the young Vela supernova remnant RX J0852.0-4622
Published in Monthly notices of the Royal Astronomical Society (11-11-2002)“…Abstract The association between the Pencil nebula (RCW 37, NGC 2736), the Vela X-ray fragment D/D′ and the recently discovered new X-ray supernova remnant (RX…”
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Morphology, kinematics and modelling of the elliptical planetary nebula Sa 2–21
Published in Monthly notices of the Royal Astronomical Society (01-07-2003)“…The little studied PN, Sa 2–21 has been observed using the Manchester echelle spectrometer at the Anglo-Australian telescope. Narrow band, long-slit spectra…”
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Liverpool telescope 2: a new robotic facility for rapid transient follow-up
Published in Experimental astronomy (01-03-2015)“…The Liverpool Telescope is one of the world’s premier facilities for time domain astronomy. The time domain landscape is set to radically change in the coming…”
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M31N 2008-12a-THE REMARKABLE RECURRENT NOVA IN M31: PANCHROMATIC OBSERVATIONS OF THE 2015 ERUPTION
Published in The Astrophysical journal (20-12-2016)“…ABSTRACT The Andromeda Galaxy recurrent nova M31N 2008-12a had been observed in eruption 10 times, including yearly eruptions from 2008 to 2014. With a…”
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No Neon, but Jets in the Remarkable Recurrent Nova M31N 2008-12a? - Hubble Space Telescope Spectroscopy of the 2015 Eruption
Published 02-10-2017“…The 2008 discovery of an eruption of M31N 2008-12a began a journey on which the true nature of this remarkable recurrent nova continues to be revealed. M31N…”
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Journal Article -
20
Inflows, Outflows, and a Giant Donor in the Remarkable Recurrent Nova M31N 2008-12a? - Hubble Space Telescope Photometry of the 2015 Eruption
Published 28-09-2017“…The recurrent nova M31N 2008-12a experiences annual eruptions, contains a near-Chandrasekhar mass white dwarf, and has the largest mass accretion rate in any…”
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