Active stars
A maximum entropy approach to detect close-in giant planets around active stars
... Our preliminary tests support the capabilities of this max- imum entropy method in a systematic search for hot jupiters around extremely active stars, as long as the collected time se- ries is well adapted ...
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Finding exoplanets orbiting young active stars - I. Technique
... young, active stars and are therefore failing to explore an important regime which can help to reveal how planets form and ...rotating, active stars ( v sin i ranging from 10 to 50 km s −1 ...
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Realistic limitations of detecting planets around young active stars
... young active stars show starspot patterns that are significantly different to that observed on the Sun, with high latitude spots on G and K dwarfs and a uniform spot coverage on early M ...the stars ...
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Jupiter analogues and planets of active stars
... solar-type stars was monitored throughout the whole 15-year ...the stars in the sample were selected for low activity levels, the more active stars turned out to be the most interesting ...
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Dynamo processes and activity cycles of the active stars AB Doradus, LQ Hydrae and HR 1099
... three stars, and the rings of azimuthal field encircling the rotation axis (especially obvious on both HR 1099 and AB ...stellar active longitude at which star spots ...
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Zeeman doppler imaging of the surface activity and magnetic fields of young solar-type stars
... solar-type stars offers an empirical way to study the evolution of stellar magnetism and activity, and use stars as proxies for studying early solar ...rotating, active stars to map ...
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The intrinsic and interstellar broad-band linear polarization of nearby FGK dwarfs
... considered active is not universally defined and spans a range from mildly to very ac- tive, so the small number of stars surveyed here have been separated into just two groups according to their activity ...
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Doppler imaging of active young stars
... using stars with similar properties, and the use of solar models as a starting point for stellar ...observe stars other than our Sun, and Johns-Krull and Valenti (1996) identify that direct empirical ...
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High-resolution spectroscopy of some active southern stars
... 800 stars conducted by Henry et ...very active stars within the original sample of ∼ 800 ...most active stars selected, they found that the majority belonged to close binary ...five ...
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Chromospheric activity catalogue of 4454 cool stars: questioning the active branch of stellar activity cycles
... intermediately active F and G stars from a sample of 486 stars observed in the Mount Wilson ...cool stars taken from several ...of stars are detected in the intermediate-activity ...and ...
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COMMISSIONS 27 AND 42 OF THE IAU INFORMATION BULLETIN ON VARIABLE STARS
... variable stars whose GCVS names were announced in Kazarovets et ...2159 stars of the current Name-List, the total number of named variable stars, not counting designated non-existing stars or ...
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COMMISSIONS 27 AND 42 OF THE IAU INFORMATION BULLETIN ON VARIABLE STARS
... Variable Stars (VSX) that is being compiled by the American Association of Variable Star Observers; in our opinion, the GCVS and VSX projects supplement each other quite ...
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Blazhko modulation in first-overtone RR Lyrae stars from the OGLE Collection
... In the OGLE collection of variable stars there are more than 38 000 RR Lyrae stars from the Galac- tic bulge. 10 826 among them are of RRc type ([13]). Because of the numerous input sample, we developed an ...
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Doppler imaging of active young stars
... 124 6.1 Fundamental Parameters of some G-type, Active, Young, Solar-Type Stars with Doppler Images adapted from a Marsden et al.. 149 6.2 Fundamental Parameters of more G-type, Active, Y[r] ...
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The GALAH survey: observational overview and Gaia DR1 companion
... 394 stars total per cluster, typically in the outer ...of stars observed, V magnitude range, exposure time and dates of observation for all of the globular and open clusters observed in this targeted ...
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Effects of M dwarf magnetic fields on potentially habitable planets
... dM stars may be a ff ected by stel- lar ...dM stars may host winds that are considerably di ff erent from the solar wind, and that when such winds interact with a planet orbiting in the HZ, erosion of the ...
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Financial Intermediation and Economic Growth: Bank Credit Maturity and Its Determinants
... of stars, relative to the “fixed” background stars, perpendicular to the observer’s line of ...background stars and gave them a special term: ...nearby stars are determined using simple ...
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Conditions for the existence of stable strange quark matter
... neutron stars seem also to suggest the existence of stars with masses significantly larger than 2M ⊙ [31, ...quark stars could have maximum masses larger than 2M ⊙ (see ...
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Elements of Stars
... giant stars that actually show a very diff erent chem- ical composition from the ...“anomalous” stars showed higher abundances of heavy elements such as Sr and ...
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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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