[PDF] Top 20 DISCOVERY OF RR LYRAE STARS IN THE NUCLEAR BULGE OF THE MILKY WAY
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DISCOVERY OF RR LYRAE STARS IN THE NUCLEAR BULGE OF THE MILKY WAY
... testing the fi rst of these two theories. In that scenario, dynamical friction causes orbital decay, dragging globular clusters deep into the potential well, where they merge and form a ... See full document
6
The Period Luminosity Relation of RR Lyrae Stars in the SDSS Photometric System
... given the scientific community an unprecedented chance to systematically map a large area of the sky, using its own special five-band filter sys- ...tem. In the process, an overwhelming ... See full document
7
The Globular Cluster NGC 5286 II Variable Stars
... position of the cluster in a metallicity versus HB- type diagram is displayed in Figure ...are the numbers of blue, red, and variable (RR Lyrae-type) HB ... See full document
16
The Globular Cluster NGC 6402 (M14) II Variable Stars
... on the Ooster- hoff gap region, thus being called “Oosterhoff-intermediate” ...(OoInt). The same effect is observed in the [Fe/H] ...clump in a narrow area which is avoided by Galactic ... See full document
19
Milky Way demographics with the VVV survey: IV PSF photometry from almost one billion stars in the Galactic bulge and adjacent southern disk
... release of the PSF photometry allows to build accu- rate CMDs of the crowded star clusters in the inner region of our ...clusters in the most updated ver- ... See full document
12
Characterization of the VVV Survey RR Lyrae Population across the Southern Galactic Plane
... map of the Milky Way together with the distribution of the RRab ...stars. The fi gure demonstrates that the peak density is located at the ... See full document
10
The first detection of blue straggler stars in the milky way bulge
... imaging of the SWEEPS (Sagittarius Window Eclipsing Extrasolar Planet Search) field (Sahu et ...toward the bulge (at l, b = 2. ◦ 65, −1. ◦ 25) using the Wide Field Channel of ... See full document
10
Gauging the Helium Abundance of the Galactic Bulge RR Lyrae Stars
... on the idea proposed by Iben ( 1968 ) , is the main way to estimate He abundance of old stellar populations like globular clusters and the Galactic bulge ( see, ...about ... See full document
5
Reddening and metallicity maps of the Milky Way bulge from VVV and 2MASS
... that the Milky Way bulge structure is consistent with a boxy bulge, formed as a con- sequence of the vertical buckling of the ...how the bar can be ... See full document
9
Pulsation period changes as a tool to identify pre zero age horizontal branch stars
... shows the expected pe- riod change rate distribution for an M3-like input mass dis- ...most of the pre-ZAHB stars have period change rates contained in the [−1, 0] d/Myr range, ... See full document
6
3D kinematics through the X shaped Milky Way bulge
... multiplying the unit velocity by 250 km s − 1 . The bar in the model was rotated to an angle of 20 degrees relative to the Sun-Galactic center ...sides of the cen- ... See full document
11
On the Impact of Helium Content on the RR Lyrae Distance Scale
... sets of He-enhanced ( Y = ...models of RR Lyrae ( RRL ) stars covering a broad range in metal abundances ( Z = .... The increase in He content from the ... See full document
7
Chemical Compositions of Field and Globular Cluster RR Lyrae Stars I NGC 3201
... , RR Lyrae stars ( RRL ) have played a fundamental role as tracers of old ( t > 10 Gyr ) stellar ...both in gas-poor and in gas-rich stellar ...amplitude of their ... See full document
14
Origin of the Milky Way disk of satellites: collision of two disk galaxies
... simulations of collisions between the Milky Way galaxy and the hypothetical disk galaxy (also known as Ghost Galaxy) that might have given rise to the disk of Milky ... See full document
5
TWO RED CLUMPS AND THE X SHAPED MILKY WAY BULGE
... X-shape bulge qualitatively explains the 2MASS photometry and much of the published kinematic data, some literature results are ...problematic. The − 35 km s −1 radial ve- locity ... See full document
12
Unearthing foundations of a cosmic cathedral: searching the stars for M33's halo
... Both of the regions for the MW disc and halo stars are consistent with McConnachie et ...RGB stars are se- lected by the colour–magnitude locus where we would expect to find RGB ... See full document
15
Li rich red giant branch stars in the Galactic bulge
... for the radial velocities obtained from DAOSPEC (Stetson & Pancino 2008) and checked for telluric lines in the Li wavelength ...to the observed one in two ...to the continuum ... See full document
7
Properties of RR Lyrae stars in the inner regions of the Large Magellanic Cloud III Near infrared study
... derived the corresponding E(V − I) val- ues. In three cases we have negative reddening values ...these stars we adopted E(V − I) = 0. The calculated mean E(B − V) = ...is in very good ... See full document
10
Variable stars in the fornax dsph galaxy I The globular cluster fornax 4
... Variable stars were independently identified from the CTIO data set, using difference image analysis (Phillips & Davis 1995; Alard & Lupton 1998; Alard ...used the HOTPANTS package ( Becker ... See full document
14
On the RR Lyrae Stars in Globulars V the Complete Near infrared (JHK s) Census of ω Centauri RR Lyrae Variables
... concentrated in the transition between RRc and RRab, as recently suggested by Braga et ...RRLs in the Galactic globular ...that the iron content, in the metallicity range ... See full document
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