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The TEXES Survey For H2 Emission From Protoplanetary Disks

Autor: Bitner, M. A., Richter, M. J., Lacy, J. H., Herczeg, G. J., Greathouse, T. K., Jaffe, D. T., Salyk, C., Blake, G. A., Hollenbach, D. J., Doppmann, G. W., Najita, J. R., Currie, T.

We report the results of a search for pure rotational molecular hydrogen emission from the circumstellar environments of young stellar objects with disks using the Texas Echelon Cross Echelle Spectrograph (TEXES) on the NASA Infrared Telescope Facili

Externí odkaz: http://arxiv.org/abs/0808.1099

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TEXES Observations of Pure Rotational H2 Emission From AB Aurigae

Autor: Bitner, M. A., Richter, M. J., Lacy, J. H., Greathouse, T. K., Jaffe, D. T., Blake, G. A.

We present observations of pure rotational molecular hydrogen emission from the Herbig Ae star, AB Aurigae. Our observations were made using the Texas Echelon Cross Echelle Spectrograph (TEXES) at the NASA Infrared Telescope Facility and the Gemini N

Externí odkaz: http://arxiv.org/abs/0704.1481

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Near-Infrared Spectra of the Black Hole X-Ray Binary, A0620-00

Autor: Froning, C. S., Robinson, E. L., Bitner, M. A.

Publikováno v: Astrophys.J.663:1215-1224,2007

We present broadband NIR spectra of A0620-00 obtained with SpeX on the IRTF. The spectrum is characterized by a blue continuum on which are superimposed broad emission lines of HI and HeII and a host of narrower absorption lines of neutral metals and

Externí odkaz: http://arxiv.org/abs/0704.0267

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W51 IRS 2: A Massive Jet Emerging from a Molecular Cloud into an H II Region

Autor: Lacy, J. H., Jaffe, D. T., Zhu, Q., Richter, M. J., Bitner, M. A., Greathouse, T. K., Volk, K., Geballe, T. R., Mehringer, D. M.

Publikováno v: Astrophys.J.658:L45-L49,2007

We have mapped [Ne II] (12.8um) and [S IV] (10.5um) emission from W51 IRS 2 with TEXES on Gemini North, and we compare these data to VLA free-free observations and VLT near-infrared images. With 0.5" spatial and 4 km/s spectral resolution we are able

Externí odkaz: http://arxiv.org/abs/astro-ph/0702327

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Observational Constraints Upon Cool Disk Material in Quiescent Black Hole Binaries

Autor: Hynes, R. I., Robinson, E. L., Bitner, M.

Publikováno v: Astrophys.J.630:405-412,2005

We consider current observational constraints on the presence of cool, optically thick disk material in quiescent black hole binaries, specifically focusing on a case study of the prototypical system A0620-00. Such material might be expected to be pr

Externí odkaz: http://arxiv.org/abs/astro-ph/0507461

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