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stars: atmospheres

Planetary host stars : evaluating uncertainties in cool model atmospheres

Planetary host stars : evaluating uncertainties in cool model atmospheres

... mass stars for different atmospheric metallicities with and with- out ...cloud-free atmospheres but with different val- ues for metallicities and element ...model atmospheres and how they compare to ...

23

The cool hydrogen deficient carbon stars and their atmospheres

The cool hydrogen deficient carbon stars and their atmospheres

... No hydrogen lines may be seen in either the blue or red spectra which is to be expected given the low temperature of M type stars.. It is unlikely that either star is a R CrB or HdC alth[r] ...

184

Aerosols and Chemistry in the Planetary Atmospheres

Aerosols and Chemistry in the Planetary Atmospheres

... information mined from planetary data in a reasonable way. Robert West and his insistence on the research approach finally led me to the light at the end of the tunnel, although at the beginning I thought it was an ...

261

Atmospheres of brown dwarfs

Atmospheres of brown dwarfs

... istry, turbulence and multi-dimensional hydrodynamic simulations were performed but with far less consistency between the processes. The picture that emerged for a brown dwarf atmosphere is that of chemically very active ...

53

Exoplanet atmospheres with GIANO

Exoplanet atmospheres with GIANO

... So far the major downside of the method has been the enormous request in terms of signal-to-noise. Only the biggest telescopes on the ground, namely VLT and Keck, have succeeded in providing an adequate collective area ...

11

Observations of exoplanet atmospheres

Observations of exoplanet atmospheres

... a mechanism where an unknown absorber drives an atmospheric inversion except in the case of planets orbiting active stars, where the heightened UV flux breaks up the absorber, suppressing the inversion. In their ...

223

Precision diagnostics of pulsation and evolution in helium rich low mass stars

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 ...Their atmospheres should consequently represent a snapshot of an evolving surface chemistry in which ...

219

The composition and dynamics of exoplanet atmospheres

The composition and dynamics of exoplanet atmospheres

... of stars (Bickerton, 1878; Arrhenius, 1913), until JEANS (1916) demonstrated that material could be drawn off merely by a close ...Sun-like stars hosting exoplanets, from transits and radial velocity ...

200

The pti carbon star angular size survey: effective temperatures and non-sphericity

The pti carbon star angular size survey: effective temperatures and non-sphericity

... proxy for the Rosseland angular diameter, which corresponds to the surface where the Rosseland mean optical depth equals unity, as advocated by Scholz & Takeda (1987) as the most appropriate surface for computing an ...

19

Nitrogen Abundances in Early-Type Be Stars

Nitrogen Abundances in Early-Type Be Stars

... main-sequence stars where the radiation field does not dominate the rates of population and depopulation of atomic ...main-sequence stars and evolved stars with much lower density ...the ...

293

Dust cloud lightning in extraterrestrial atmospheres

Dust cloud lightning in extraterrestrial atmospheres

... upper atmospheres of such close-in planets, because the haze absorbing the stellar radiation during transit makes the planet appear larger than ...terrestrial atmospheres but are also present in extrasolar ...

16

The GALAH survey: observational overview and Gaia DR1 companion

The GALAH survey: observational overview and Gaia DR1 companion

... 000 stars with 9 < I < ...RAVE stars in the data set considered in this ...RAVE stars provides an extremely large comparison set for GALAH radial velocities, and will enable detailed follow-up ...

17

COMMISSIONS 27 AND 42 OF THE IAU INFORMATION BULLETIN ON VARIABLE STARS

COMMISSIONS 27 AND 42 OF THE IAU INFORMATION BULLETIN ON VARIABLE STARS

... Because of its large volume, the 80th Name-List of Variable Stars (NL 80, Kazarovets et al., 2011ab, 2013) consists of three parts ordered (with the exception of several stars that got their designations ...

22

Solubility of Rock in Steam Atmospheres of Planets

Solubility of Rock in Steam Atmospheres of Planets

... Section 7 describes the results of our chemical equilibrium calculations of metal hydroxide gas abundances in steam atmospheres of hot rocky exoplanets. These calculations take into account chemical interactions ...

29

Conditions for the existence of stable strange quark matter

Conditions for the existence of stable strange quark matter

... The so called Bodmer-Witten hypothesis on the absolute stability of strange quark matter (see [1, 2] and [3] for a review) still represents an open issue of nuclear and particle physics and its validity would have ...

8

Financial Intermediation and Economic Growth: Bank Credit Maturity and Its Determinants

Financial Intermediation and Economic Growth: Bank Credit Maturity and Its Determinants

... includes stars discovered by several contemporary astronomers (and their respective teams) including Deacon et ...many stars to the SLOWMO sample but several others supplemented, among them Burgasser et ...

157

Quasi geostrophic vortices in compressible atmospheres

Quasi geostrophic vortices in compressible atmospheres

... compressible atmospheres) on the structure and dynamics of the quasi-geostrophic system, and compares the results with the corresponding Boussinesq limit in which background density variations are assumed ...

21

Blazhko modulation in first-overtone RR Lyrae stars from the OGLE Collection

Blazhko modulation in first-overtone RR Lyrae stars from the OGLE Collection

... RRc stars exhibit pe- riod changes, which manifest themselves in power spectra as a remnant power in the position of the first overtone after the ...candidates. Stars which passed the visual inspection were ...

5

COMMISSIONS 27 AND 42 OF THE IAU INFORMATION BULLETIN ON VARIABLE STARS

COMMISSIONS 27 AND 42 OF THE IAU INFORMATION BULLETIN ON VARIABLE STARS

... In the 80th Name-list of Variable Stars, Part II (IBVS No. 6008), it was overlooked by the authors that the name V0900 Mon had been reserved in Central Bureau Electronic Telegram (CBET) No. 2795, 2011 for another ...

23

Evidencing atmospheres and narratives: measuring the immeasurable?

Evidencing atmospheres and narratives: measuring the immeasurable?

... many: Atmospheres and narratives may encapsulate the sensing or feelings of a presence that is not physically present, or the interpretation of which draws on hauntings and/or aesthetics, often metaphorically ...

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