PROPER MOTIONS
Proper Motions in Cepheus A
... The proper motions observed in this source are less straightforward to interpret than those in source ...a proper comparison with these lower angular resolution ...
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PROPER MOTIONS OF L1551 IRS 5 BINARY SYSTEM USING 7 MM VLA OBSERVATIONS
... show proper motions, which, for near stars are on the order of a few milli-arcseconds per ...relative proper mo- tions of binary star systems allows us to study the kinematics of both components, ...
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Proper Motions of the Ansae in the Planetary Nebula NGC 7009
... The images were made with the ROBUST weighting parameter (Briggs 1995) of AIPS set to 0 and a tapering of 150 kλ in the (u,v) plane to smooth the angular resolution and enhance the signal-to- noise ratio of the ...
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Chemically Dissected Rotation Curves of the Galactic Bulge from Main sequence Proper Motions
... Precise proper motions are combined with photometric relative metallicity and temperature indices, to produce the proper-motion rotation curves of the Galactic bulge separately for metal- poor and ...
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Large Proper Motions in the Young Low-Mass Protostellar System IRAS 16293-2422
... rical study. First, thanks to the existence of a back- ground extragalactic radio source within the field of view, which allowed a precise check on the astrome- try. And second, because ρ Ophiuchus is so nearby. Most ...
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Interpreting the proper motions of the HH 34S bowshock
... new proper motions of the HH 34 system from high spatial reso- lution Hubble Space Telescope (HST) ...These proper motions represent a clear improvement on previous proper motion ...
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Stellar proper motions in the Galactic bulge from deep Hubble Space Telescope ACS WFC photometry
... with proper motions measured to a precision of ...in proper motion with location in the bulge (Rattenbury et ...producing proper motions to 1 mas yr 1 and using 8700 cross matches with ...
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Proper motions of dwarf spheroidal galaxies from Hubble Space Telescope imaging V Final measurement for Fornax
... Two interesting ideas about the formation of the satellite gal- axies of the Milky Way challenge the picture that these galaxies are surviving substructure, predicted by cold dark matter cos- mology. Lynden-Bell & ...
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PROPER MOTIONS OF THE HH 1 JET
... As far as we are aware, the first attempt at measuring positions and fluxes of condensations in CCD frames of HH objects was done by Raga et al. (1990), who analyzed Hα and [O III] 5007 images of HH 1/2. These authors ...
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LOCAL SYSTEMATIC DIFFERENCES IN PROPER MOTIONS DERIVED FROM 2MASS POSITIONS
... If proper motions were derived from the 2MASS positions, these systematic differences would cause systematic errors in the resulting proper ...the proper motions in the cat- alog PPMXL ...
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Radio Proper Motions of Wolf-Rayet Stars
... The proper motions measured for WR 125, WR 145a, WR 146 and WR 147 are in good agreement with the expected proper motions using the galactic rotation model of Brand & Blitz (1993) and the ...
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Proper motions in the VVV Survey: Results for more than 15 million stars across NGC 6544
... of proper motion (PM) anal- ysis, a well known technique that helps to isolate kinemat- ically the contribution of the different stellar components across the area under ...
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Membership in the Region of the Open Cluster NGC 2244
... In Table 3 we list the 192 stars. The first column is our identification number. The second column gives the identification number for the photometric study of Ogura & Ishida (1981), used also by Marschall et al. ...
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Radio and Optical Observations of DG Tau B
... average proper motion of the five inner optical knots, we can conclude that either our hypothesis that the radio knot should be eventually detected in the optical is wrong, or that extinction is still very strong ...
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The Proper Motion of the Large Magellanic Cloud Revisited
... As seen from Table 5, the values of the PM determined by our group (for the JKL94 input LMC parameters) confirm the results of the PCM06 study and show a reasonable agreement with some of the available data. Our “field” ...
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Kinematics and Velocity Ellipsoid of M Giants
... space motions needed in the velocity ellipsoid calculation should be corrected for the effects of Galactic rotation by modifying the proper motions and radial velocities used in the calculations to ...
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A one-sided knot ejection at the core of the HH 111 outflow
... absolute proper motions were found for VLA 1 and VLA 3 and the upper limits are consistent with those found for (embedded) radio sources in the Orion ...
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A Revised Calibration of the MV-W(O I 7774) Relationship using Hipparcos Data: Its Application to Cepheids and Evolved S tars
... new proper motions studies can be used to confirm their membership (Baumgardt et ...and proper motions are now available even for some field stars (Hipparcos, ESA ...
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The Kinematics and Velocity Ellipsoid of the G III Stars
... The proper motions and parallaxes used in this study were taken from van Leeuwen’s version of the Hipparcos catalog (van Leeuwen 2007), henceforth called simply the Hipparcos catalog, the radial velocities ...
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Lithium rich giants in the Galactic thick disk
... In the context of a survey of the Galactic thick disk, we con- structed a large database of high-resolution, high-quality echelle spectra of giant stars (Carraro et al. 2005; Moni Bidin 2009; Moni Bidin et al. 2010). By ...
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