Zobrazeno 1 - 10
of 78
pro vyhledávání: '"Markwick, P. J."'
Detailed astrochemical models are a key component to interpret the observations of interstellar and circumstellar molecules since they allow important physical properties of the gas and its evolutionary history to be deduced. We update one of the mos
Externí odkaz:
http://arxiv.org/abs/2311.03936
Akademický článek
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We present the fifth release of the UMIST Database for Astrochemistry (UDfA). The new reaction network contains 6173 gas-phase reactions, involving 467 species, 47 of which are new to this release. We have updated rate coefficients across all reactio
Externí odkaz:
http://arxiv.org/abs/1212.6362
We present a model using the evolution of the stellar population in a starburst galaxy to predict the crystallinity of the silicates in the interstellar medium of this galaxy. We take into account dust production in stellar ejecta, and amorphisation
Externí odkaz:
http://arxiv.org/abs/1012.3251
Autor:
McDonald, Iain, Sloan, Gregory C., Zijlstra, Albert A., Matsunaga, Noriyuki, Matsuura, Mikako, Kraemer, Kathleen E., Bernard-Salas, Jeronimo, Markwick, Andrew J.
Iron, the Universe's most abundant refractory element, is highly depleted in both circumstellar and interstellar environments, meaning it exists in solid form. The nature of this solid is unknown. In this Letter, we provide evidence that metallic iro
Externí odkaz:
http://arxiv.org/abs/1005.3489
We aim to investigate the chemistry and gas phase abundance of HNCO and the variation of the HNCO/CS abundance ratio as a diagnostic of the physics and chemistry in regions of massive star formation. A numerical-chemical model has been developed whic
Externí odkaz:
http://arxiv.org/abs/0909.4337
Autor:
Matsuura, M., Zijlstra, A. A., van Loon, J. Th., Yamamura, I., Markwick, A. J., Whitelock, P. A., Woods, P. M., Marshall, J. R., Feast, M. W., Waters, L. B. F. M.
Publikováno v:
Astron.Astrophys.434:691-706,2005
The dependence of stellar molecular bands on the metallicity is studied using infrared L-band spectra of AGB stars (both carbon-rich and oxygen-rich) and M-type supergiants in the Large and Small Magellanic Clouds (LMC and SMC) and in the Sagittarius
Externí odkaz:
http://arxiv.org/abs/astro-ph/0501247
Autor:
Zijlstra, Albert A., Bedding, T. R., Markwick, Andrew J., Loidl-Gautschy, Rita, Tabur, Vello, Alexander, Kristen D., Jacob, Andrew P., Kiss, Laszlo L., Price, Aaron, Matsuura, Mikako, Mattei, Janet A.
Publikováno v:
Mon.Not.Roy.Astron.Soc. 352 (2004) 325
The SC and CS stars are thermal-pulsing AGB stars with C/O ratio close to unity. Within this small group, the Mira variable BH Cru recently evolved from spectral type SC (showing ZrO bands) to CS (showing weak C2). Wavelet analysis shows that the spe
Externí odkaz:
http://arxiv.org/abs/astro-ph/0404467
Publikováno v:
Philosophical Transactions: Mathematical, Physical and Engineering Sciences, 2015 Nov . 373(2054), 1-18.
Externí odkaz:
http://www.jstor.org/stable/24505057
Akademický článek
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