Estimating the AM CVn binary space density
Estimating the space density of ultracompact binary stars
... That there are no significant large deviations from the expected position for any object type, suggests that our classification by visual inspection was successful. There are 388 spectra which have no clear identifiable ...
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A 15.7-Minute AM CVn Binary Discovered in K2
... the Space Telescope Science Institute, which is operated by the Association of Universi- ties for Research in Astronomy, Incorporated, under NASA contract ...
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A 15 7 minute AM CVn binary discovered in K2
... the Space Telescope Science Institute, which is operated by the Association of Universi- ties for Research in Astronomy, Incorporated, under NASA contract ...
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Hubble space telescope parallaxes of AM CVn stars and astrophysical consequences
... the space density of AM CVn stars and suggest that previous estimates have been too high by about an order of mag- ...future space missions such as the proposed Laser Interferometer ...
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A census of AM CVn stars : three new candidates and one confirmed 48 3 minute binary
... the AM CVn stars occupy a relatively sparsely populated region in color space where the spec- troscopic completeness down to g = ...of AM CVn stars in the SDSS ...of AM ...
8
A spatially explicit approach for estimating space use and density of common genets
... high density species occurring over relatively small ranges (Foster & Harmsen, ...analyse density is to apply closed population mod� els (White & Burnham, 1999), and convert these to densities using ...
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On the orbital periods of the AM CVn stars HP Librae and V803 Centauri
... of AM CVn stars: ultra-compact binaries with orbital peri- ods below about one hour, in which a white dwarf accretes helium-rich matter from a degenerate or semi-degenerate ...for binary evolution ...
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The Hidden Population of AM CVn Binaries in the Sloan Digital Sky Survey
... uncover AM Canum Venaticorum (AM CVn) binaries hidden in the photometric database of the Sloan Digital Sky Survey ...new AM CVns in the observed part of our sample suggests a lower ...
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High-speed photometry of Gaia14aae: an eclipsing AM CVn that challenges formation models
... AM CVn-type systems are ultra-compact, hydrogen-deficient accreting binaries with degenerate or semi-degenerate ...an AM CVn with a binary period of ...first AM CVn in ...
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Physical properties of AM CVn stars: New insights from Gaia DR2
... the AM CVn population and calibrating models of space density and luminosity is the lack of accurate dis- ...Hubble Space Telescope Fine Guidance Sensor ( HST FGS ; Roelofs et al 2007c) ...
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Finding Needles in the Haystack: A Search for AM CVn Systems Using the Palomar Transient Factory
... of AM CVn systems has perhaps never been more interesting, although maybe not as ...population density and may allow the usage of these estimates for studies of supernova rates and the detached white ...
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Estimating Interdependence Across Space, Time and Outcomes in Binary Choice Models Using Pseudo Maximum Likelihood Estimators
... AUTHORS* Binary outcome models are frequently used in Political ...latent binary choice models that exhibit interdependence across space, time and/or outcomes, and by (ii) proposing an implementation ...
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Estimating the Implied Risk Neutral Density
... neutral density over the price or return of an underlying asset, using the market prices of its traded ...the density functions by extending them into the ...volatility space, converting back to a ...
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Black hole transients and AM CVn systems
... They emerge from the second common en- velope stage as a short-period binary and, when orbital angular momentum losses from gravitational radiation bring them close enough for [r] ...
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Gaia14aae: the first fully-eclipsing AM CVn
... Abstract. AM CVns are a class of cataclysmic variables consisting of a white dwarf accreting H-deficient matter from a donor ...minutes, AM CVns include the shortest period binaries containing white dwarfs. ...
5
XMM Newton observations of AM CVn binaries
... four AM CVn systems – AM CVn, CR Boo, HP Lib and GP ...while AM CVn and GP Com show an en- hancement of ...for AM CVn and GP Com ...of AM CVn, we do ...
8
Total eclipse of the heart: the AM CVn Gaia14aae/ASSASN-14cn
... outbursting AM CVn stars and evolved CVs ...outbursting AM CVn stars, such as Gaia14aae, both have low mass transfer rates and extreme mass ratios, which are likely to impact on the duration ...
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Total eclipse of the heart: : the AM CVn Gaia14aae/ASSASN 14cn
... outbursting AM CVn stars and evolved CVs ...outbursting AM CVn stars, such as Gaia14aae, both have low mass transfer rates and extreme mass ratios, which are likely to impact on the duration ...
8
Distribution and evolution of starspots on the RS CVn binary II Pegasi in 2004
... Accepted 2013 December 3. Received 2013 December 3; in original form 2013 July 15 A B S T R A C T We present Doppler images of RS CVn-type binary II Peg based on two data sets obtained in 2004 February and ...
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The long term optical behaviour of helium accreting AM CVn binaries
... most AM CVn systems, in particular the fainter half of the sample which has been discovered in recent ...of AM CVn systems and obtain a better understanding of the physics of the outbursts, we ...
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