... These makes astronomical masers an ideal target for Very Long Baseline Interferometry (VLBI) observations, which allow us to derive a number of important quantities: 3-D velocity. ...
... From published millimeter wavelength interferometry, upper bounds on the masses of the material surrounding these YSOs is 0.016M fi (Mundy, Looney, & Lada 1995; Lada et al. ...
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Ссылки http://www.arcetri.astro.it/~lt/preprints/proplyds/proplyds.ps.gz -- 230.3 Кб -- 11.09.2007 Похожие документы
... Kband speckle interferometry (Leinert et al. 1997) re veals a companion at 0.34 00 (156 AU), which is probably a low mass ... The companion is also revealed in the speckle interferometry survey for binaries among Herbig AeBe stars of Leinert et al ...
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Ссылки http://www.arcetri.astro.it/~lt/preprints/haebe_atlas/haebe_atlas.ps.gz -- 225.9 Кб -- 11.09.2007 Похожие документы
... Another powerful probe that became available in the past few years is molecular line interferometry at centime ter and millimeter wavelengths (Cesaroni et al. ...
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Ссылки http://www.arcetri.astro.it/~lt/preprints/nirsur2/nirsur2.ps.gz -- 602.4 Кб -- 11.09.2007 Похожие документы
... Avila, R., & Sґ hez L. J. 2002, A&A, anc 382, 378 Masciadri, E., Bougeault, P., Vernin, J., & Angeles, F. 2000, in Interferometry in Optical Astronomy, eds. P. J. Lena & A. Quirrenbach, Proc. of the SPIE 4006, 1136 Masciadri, E., & Jabouille, P. 2001, A&A ...
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Ссылки http://www.arcetri.astro.it/~masciadr/PUBLI/masciadri_avila_sanchez_2004.pdf -- 2796.6 Кб -- 27.04.2007 Похожие документы
... Using multi-epoch Very Long Baseline Interferometry (VLBI) observations, one can accurately determine absolute positions and velocities of maser spots (the single maser emission centers), providing unique information on the kinematics of the molecular gas ...
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Ссылки http://www.arcetri.astro.it/science/starform/preprints/mosca_02.pdf -- 578.3 Кб -- 10.05.2010 Похожие документы
... To do this, we selected a few galaxies from the GHASP survey (Amram et al. 2002), which provides us with high spatial-resolution data-cubes for a morphologically-complete sample of local galaxies using FabryPerot interferometry. ...
... The above mentioned limitation can be bypassed by Very Long Baseline Interferometry (VLBI) observations of maser lines, which attain linear resolutions of a few AU. ...
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Ссылки http://www.arcetri.astro.it/science/starform/preprints/mosca_06.pdf -- 1253.0 Кб -- 17.01.2012 Похожие документы