brown dwarfs
A Search for Pulsation in Young Brown Dwarfs and Very Low Mass Stars
... young brown dwarfs possess disks, but many also display signatures of active accretion from them, whether through strong emission lines, photometric variability, or even spectroscopic jets and outflows ...
317
Young brown dwarfs and their environments : testing star and planet formation
... T he an gular and spectroscopic resolution of th e ESO Very Large Tele scope (VLT) has g reatly extended our ability to observe nearby brown dwarfs a t sm aller scales in recent years. It will continue to ...
163
Ionisation and discharge in cloud forming atmospheres of brown dwarfs and extrasolar planets
... in brown dwarf and giant gas planet at- mospheres with local temperatures between 100K ...and brown dwarfs are effected by cosmic ray triggered air showers similar to solar system ...
9
Dust in brown dwarfs and extra solar planets : VI Assessing seed formation across the brown dwarf and exoplanet regimes
... in brown dwarf and exoplanet atmospheres, depen- dent on the nucleation rate of materials in these low pressure, low temperatures regions of the ...transiting brown dwarfs and ...
23
Dust in brown dwarfs and extra solar planets VII Cloud formation in diffusive atmospheres
... and brown dwarfs. Brown dwarfs atmospheres are by now under- stood to be rather similar to giant gas planets, in particular at- mospheres from low-gravity brown dwarfs and young ...
19
Lightning climatology of exoplanets and brown dwarfs guided by Solar system data
... of brown dwarfs, it is the age of the object that counts most as this determines its total energy house- hold including magnetic activity driven by ...the brown dwarf resides in a binary system ...
21
SMA and CARMA observations of young brown dwarfs in ρ Ophiuchi and Taurus
... that brown dwarf formation undergoes a molecular outflow phase that is typical of young low-mass ...that brown dwarfs do form like low-mass stars, ...from brown dwarfs to low-mass stars ...
7
1-10 Myr-old Low Mass Stars and Brown Dwarfs in Nearby Star Forming Regions
... 14/24 brown dwarfs were detected at 8μm in the Lada et ...of brown dwarfs in USco I measure a disk frequency of 11 +11 − 6 % (3/27) (one source did not have a large enough excess to be ...
222
The influence of non isotropic scattering of thermal radiation on spectra of brown dwarfs and hot exoplanets
... in brown dwarf and exoplanet atmospheres can be scattered by clouds and haze and to investigate how the thermal emission spectrum is changed when di ff erent assumptions in the radiative transfer modelling are ...
8
Outflows and disks of brown dwarfs with SMA, CARMA and ALMA
... young brown dwarfs in different star-forming regions such as the initial mass function, velocity dispersion, multiplicity, accretion disks and jets (see [15] and references therein) have demonstrated that ...
7
Laboratory measurements of resistivity in warm dense plasmas relevant to the microphysics of brown dwarfs
... first brown dwarf in 1995, numerous studies have led to a better understanding of the structures of these ...of brown dwarfs through viscosity and electron ...to Brown Dwarf conditions by an ...
6
Ionization in atmospheres of brown dwarfs and extrasolar planets I The role of electron avalanche
... of brown dwarfs and extrasolar planets, and that they are composed of chemically heterogeneous grains of various ...the brown dwarfs and giant gas planets (Helling et ...
6
Laboratory measurements of resistivity in warm dense plasmas relevant to the microphysics of brown dwarfs
... laboratory. Brown dwarfs are an unusual case, as they occupy the same mass range as the larger exoplanets, whilst having been formed in the same manner as ...of brown dwarfs has been defined ...
7
Giant planets and brown dwarfs on wide orbits : a code comparison project
... The scale of uncertainty in this problem is immense and a↵ects our understanding of even the most basic questions, especially in the theory of planet formation. Direct imaging surveys show that the occurrence rate of ...
19
Atmospheres of brown dwarfs
... dwarfs. Brown dwarfs become increasingly dimmer as they age because their mass is too small to sustain continuous hydrogen ...iest brown dwarfs fuse some helium and maybe ...of ...
53
Rotation periods of young brown dwarfs : K2 survey in Upper Scorpius
... We have measured a sample of rotation periods for young brown dwarfs in the UpSco region using light curves from campaign 2 of the K2 mission. Our periods range from a few hours up to 5 days, with a median ...
6
Ionisation in atmospheres of Brown Dwarfs and extrasolar planets II Dust induced collisional ionization
... Observations have shown that continuous radio emission and also sporadic Hα and X-ray emission are prominent in singular, low-mass objects later than spectral class M. These activity signatures are interpreted as being ...
11
Brown dwarfs in wide-field surveys
... towards lower masses and shows a strong dip around 0.05 M , attributed to the M7/M8 gap and the change in the properties of the atmospheres of brown dwarfs [21] and in particular the onset of dust ...
10
The rotation disk connection in young brown dwarfs : strong evidence for early rotational braking
... i.e., brown dwarfs and free- fl oating planets, remains an open question that is the subject of active research ( Schwarz et ...that brown dwarfs rotate faster than solar-mass stars at all ages ...
20
The distribution of ejected brown dwarfs in clusters
... of brown dwarfs and stars are different or if the veloc- ity dispersion between cores effectively conceals the ejection of brown dwarfs and low-mass ...
5