Stars: variables
Roche tomography of cataclysmic variables - II. Images of the secondary stars in AM Her, QQ Vul, IP Peg and HU Aqr
... filling stars in cataclysmic variables (CVs) are key to our understanding of the origin, evolution and behaviour of this class of interacting ...secondary stars in CVs, we would ideally like direct ...
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NSV stars, by Ski� (1999) for Wac hmann's variables in the region of SA 98,
... for variables appearing on the MVS charts (Homeister 1957). The variables here were rst described by Homeister ...NSV stars, by Ski (1999) for Wachmann's variables in the region of SA 98, and ...
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The secondary stars in cataclysmic variables and low-mass X-ray binaries
... secondary stars in cataclysmic variables (CVs) and low-mass X-ray binaries (LMXBs), using the new catalogue of Ritter & Kolb as a starting ...secondary stars (10 and 5, respectively, in the case ...
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Imaging the secondary stars in cataclysmic variables
... binary stars consisting of a Roche-lobe filling secondary star transferring mass to a white dwarf primary star via an accretion disc or magnetically-channelled accretion ...
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Estimating the parameters of globular cluster M 30 (NGC 7099) from time series photometry
... of variables in this cluster significantly, with detections and refined analysis of three previ- ously known RR Lyrae stars, one known U Gem star, as well as of two candidate RR Lyrae stars, to which ...
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The burrell-optical-kepler-survey (BOKS). I. Survey description and initial results
... identified stars as possible periodic variables if (1) OPTICSTAT returned a false probability of periodic variability of less than 1 × 10 −4 , (2) the amplitude was less than ...
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A census of AM CVn stars : three new candidates and one confirmed 48 3 minute binary
... CVn stars, the emission lines in a spectroscopic time series are commonly observed to vary in the form of a sinusoidal ...cataclysmic variables, this S-wave is caused by the impact region where the ...
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COMMISSIONS 27 AND 42 OF THE IAU INFORMATION BULLETIN ON VARIABLE STARS
... unusual variables, which are included no matter the right ...variable stars whose GCVS names were announced in Kazarovets et ...2159 stars of the current Name-List, the total number of named variable ...
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ASTT susp ected variables ASTT RA (2000) Dec IRAS Iden ti�cations
... inal le. (I have made the positive Declination signs explicit, however.) The next column shows IRAS names. While all the ordinary IRAS point-sources are present in SIMBAD, most of the \faint-source" catalogue objects ...
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COMMISSIONS 27 AND 42 OF THE IAU INFORMATION BULLETIN ON VARIABLE STARS
... designated variables (to be presented at the GCVS web site) from the Name-List ...of stars in Table 1 corresponds to the order of stars in the ...variable stars, accurate coordinates and ...
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A DWARF NOVA IN THE GLOBULAR CLUSTER M13
... Dwarf novae (DNe) in globular clusters (GCs) seem to be rare with only 13 detections in the 157 known Galactic GCs. We report the identification of a new DN in M13, the 14th DN identified in a GC to date. Using the 2 m ...
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Cepheids with the eyes of photometric space telescopes
... all stars (a single type II and seven classical Cepheids) that fell into the observing fields of CoRoT turned out to be very stable, with almost no signs of variations from one cycle to the next ...
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Blazhko modulation in first-overtone RR Lyrae stars from the OGLE Collection
... Lyrae stars. RRd stars are marked with green asterisks, fundamental mode and second overtone stars are marked with red triangles, first overtone ones with a shorter-period non-radial mode stars ...
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Precision diagnostics of pulsation and evolution in helium rich low mass stars
... lead stars HE 2359–2844 and HE 1256–2738 are proto-subdwarfs, evolving onto the ex- tended horizontal ...halo stars in each subsample (Table ...27 stars) would appear to be older than both the ...
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Shedding Stars
... Brown danced against black, polluted dust staining space. Sludge, the exact color and consistency of a fresh hairball, tumbled down and collided with a neighboring star, dampening its already dull shine. Long ago, when ...
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The Creation of Neutron Stars and Black Stars and How the Chandrasekhar Limit Prevents the Creation of Intermediate Black Stars
... The smallest one found to date is in a dwarf galaxy RGG 118 [5], and has a mass of 50,000 solar masses. SMBSs created below the “Lower Chandra Gap” and above the “Star Crea- tion” line, can only be made from “Used Star ...
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The Stars of David
... The Stars of David is based on the true story of a woman whose love of baseball stood above all. Set in the midst of the Great Depression, Jackie Austin, disgusted by the chauvinistic expectations of her ...
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New facilities to study synthesis of the elements in stars
... make a new element. Neutron captures can happen by two methods, the s and r-processes, where s and r stand for slow and rapid. The s-process happens in the inert carbon core of a star, the slow capture of neutrons. The ...
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The GALAH survey and Gaia DR2: (non-)existence of five sparse high-latitude open clusters
... of stars would disprove the existence of the ...of stars in the HR diagram, most stars that fell close to the desired isochrone were ...field stars is low and only a few are needed for an ...
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Spatial Layers and Spatial Structure in Central and Eastern Europe
... At the time of creating our database, efforts were made to load each layer with relevant data of adequate quantity and quality. As a first step, we reviewed the literature sources and research reports dealing with this ...
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