Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Sadia Hoq"'
Autor:
Andrés E. Guzmán, Yanett Contreras, James M. Jackson, Howard A. Smith, Jill Rathborne, Sadia Hoq, Patricio Sanhueza
Publikováno v:
The Astrophysical Journal, 815(2), 130
The Astrophysical Journal
The Astrophysical Journal
We present dust column densities and dust temperatures for $\sim3000$ young high-mass molecular clumps from the Millimetre Astronomy Legacy Team 90 GHz (MALT90) survey, derived from adjusting single temperature dust emission models to the far-infrare
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::418d7a0eb7b0a616e1a8dc98321d9f27
https://hdl.handle.net/1887/48901
https://hdl.handle.net/1887/48901
Autor:
Sadia Hoq, Dan P. Clemens
Stars in open clusters are powerful probes of the intervening Galactic magnetic field, via background starlight polarimetry, because they provide constraints on the magnetic field distances. We use 2MASS photometric data for a sample of 31 clusters i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ec771e27759f6eca778b761060959497
http://arxiv.org/abs/1509.06777
http://arxiv.org/abs/1509.06777
Autor:
Jonathan B. Foster, Sadia Hoq, Jill Rathborne, J. Scott Whitaker, James Jackson, Patricio Sanhueza, Ian W. Stephens
The Millimetre Astronomy Legacy Team 90 GHz (MALT90) survey has detected high-mass star-forming clumps with anomalous N$_2$H$^+$/HCO$^+$(1-0) integrated intensity ratios that are either unusually high ("N$_2$H$^+$ rich") or unusually low ("N$_2$H$^+$
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1db06261094cb45cea2133e5be0e9f64
http://arxiv.org/abs/1501.04965
http://arxiv.org/abs/1501.04965
Publikováno v:
The Astrophysical Journal. 836:199
The importance of the magnetic (B) field in the formation of infrared dark clouds (IRDCs) and massive stars is an ongoing topic of investigation. We studied the plane-of-sky B field for one IRDC, G028.23-00.19, to understand the interaction between t
We have developed a maximum-likelihood procedure to fit theoretical isochrones to the observed cluster color-magnitude diagrams of NGC 6866, an open cluster in the Kepler Spacecraft field of view. The Markov-Chain Monte Carlo algorithm permits explor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3488e3bc999ae450aca65dacdfb75bb9
Autor:
Timea Csengeri, Jill Rathborne, Steven N. Longmore, Sadia Hoq, M. Wienen, Andrew Walsh, Fabrice Herpin, Tui Britton, Maxim Voronkov, Shari Breen, Jonathan B. Foster, Tracey Hill, Christopher H. Jordan, K. J. Brooks, Christopher Claysmith, Patricio Sanhueza, Joshua L. Mascoop, Ana Duarte-Cabral, Peter J. Barnes, Balthasar T. Indermuehle, Maria Cunningham, J. S. Whitaker, James Urquhart, Yanett Contreras, James M. Jackson, João Alves
Publikováno v:
Publications of the Astronomical Society of Australia
Publications of the Astronomical Society of Australia, Cambridge University Press (CUP), 2013, 30, pp.id.e038. ⟨10.1017/pasa.2013.18⟩
Publications of the Astronomical Society of Australia, Cambridge University Press (CUP), 2013, 30, pp.id.e038. ⟨10.1017/pasa.2013.18⟩
We characterize the Millimeter Astronomy Legacy Team 90 GHz (MALT90) Survey and the Mopra telescope at 90 GHz. We combine repeated position-switched observations of the source G300.968+01.145 with a map of the same source in order to estimate the poi
Autor:
Jonathan B. Foster, Andrés E. Guzmán, Jill Rathborne, Tatiana Vasyunina, Christopher Claysmith, J. Scott Whitaker, Patricio Sanhueza, James M. Jackson, Sadia Hoq, Anton Vasyunin
Publikováno v:
Astrophysical Journal
The chemical changes of high-mass star-forming regions provide a potential method for classifying their evolutionary stages and, ultimately, ages. In this study, we search for correlations between molecular abundances and the evolutionary stages of d
Publikováno v:
The Astronomical Journal. 145:7
NGC 6811 is one of the four open clusters located in the Kepler spacecraft field of view. We obtained UBVRI photometry of the cluster on six nights (four of them photometric) with the 1.08 m Hall and 1.83 m Perkins telescopes at Lowell Observatory. T
Autor:
Sadia Hoq, Kenneth A. Janes
Publikováno v:
The Astronomical Journal. 141:92
The oldest open star clusters are important for tracing the history of the Galactic disk, but many of the more distant clusters are heavily reddened and projected against the rich stellar background of the Galaxy. We have undertaken an investigation
Publikováno v:
Astrophysical Journal; 2/20/2017, Vol. 836 Issue 2, p1-1, 1p