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Photometric observations of the Type Ia SN 2002er in UGC 10743

Monthly Notices of the Royal Astronomical Society Oxford University Press (OUP) 355:1 (2004) 178-190

Authors:

G Pignata, F Patat, S Benetti, S Blinnikov, W Hillebrandt, R Kotak, B Leibundgut, PA Mazzali, P Meikle, Y Qiu, P Ruiz‐Lapuente, SJ Smartt, E Sorokina, M Stritzinger, M Stehle, M Turatto, T Marsh, F Martin‐Luis, N McBride, J Mendez, L Morales‐Rueda, D Narbutis, R Street
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Molecular abundance ratios as a tracer of accelerated collapse in regions of high mass star formation?

ArXiv astro-ph/0410653 (2004)

Authors:

CJ Lintott, S Viti, JMC Rawlings, DA Williams, TW Hartquist, P Caselli, I Zinchenko, P Myers

Abstract:

Recent observations suggest that the behaviour of tracer species such as N_2H+ and CS is significantly different in regions of high and low mass star formation. In the latter, N_2H+ is a good tracer of mass, while CS is not. Observations show the reverse to be true in high-mass star formation regions. We use a computational chemical model to show that the abundances of these and other species may be significantly altered by a period of accelerated collapse in high mass star forming regions. We suggest these results provide a potential explanation of the observations, and make predictions for the behaviour of other species.
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The binary progenitor of Tycho Brahe's 1572 supernova

(2004)

Authors:

Pilar Ruiz-Lapuente, Fernando Comeron, Javier Mendez, Ramon Canal, Stephen J Smartt, Alexei V Filippenko, Robert L Kurucz, Ryan Chornock, Ryan J Foley, Vallery Stanishev, Rodrigo Ibata
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The radio spectrum of a quiescent stellar mass black hole

(2004)

Authors:

Elena Gallo, Rob Fender, Rob Hynes
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The 2003 radio outburst of a new X-ray transient: XTE J1720-318

(2004)

Authors:

C Brocksopp, S Corbel, RP Fender, M Rupen, R Sault, SJ Tingay, D Hannikainen, K O'Brien
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