[PDF] Top 20 Magnetospheric outflows in young stellar objects

... the stellar field only are not very strong, extracting at most a few percent of the accretion rate, and their Alfvén surface lies very close to the disk surface ...the stellar magnetic flux has been ... See full document

... molecular outflows are much more massive and energetic than commonly ...of outflows previously presented using a similar approach ...that outflows are more massive than expected, and from a ... See full document

... Observations have clearly shown that protostellar collapse is usually accompanied by the presence of collimated outflows (e.g. Bachiller et al. 1995). This naturally leads to some confusion in the interpretation ... See full document

... In total we add 274 new YSO candidates to the Orion A cat- alog inside the VISTA coverage, with 155 selected inside and 119 selected outside the IRAC region. The sources are classi- fied with the methods discussed in ... See full document

... of objects, on which the basis of a theoretical frame- work can ...in young stars and their circumstellar accretion discs, the stellar angular momentum evolution, or the structure of the inner disc ... See full document

... the magnetospheric configuration or in the acretion process, going from a configuration of a stable major funnel flow to a more unstable accretion regime where several accretion tongues develop ... See full document

... (PMS) objects that are usually grouped into two classifications: ...5,6]. Magnetospheric accretion, in which gas from the disk accretes along stellar magnetic field lines, impacting the surface of ... See full document

... Despite the accumulating evidence for the presence of discs around MYSOs, the properties of such discs, such as the accre- tion rate through them, remain largely unknown. This is in part because the interferometric ... See full document

... the stellar photosphere. By assuming that these stellar fields adopt a current free configuration (otherwise known as potential fields), one can produce maps of the 3D spatial geometry of fields ...of ... See full document

... In the magnetospheric accretion model, material from the accretion disk fl ows onto the surface of the star following magnetic fi eld lines. In a stable model, a slightly tilted large- scale magnetosphere truncates ... See full document

... intense stellar surface activity observed in YSOs (Shu et ...the outflows from the central star/inner disc to break clear of the circumstellar envelope and begin clearing it ...these outflows were ... See full document

... these objects instead of just the abundance or temperature ...these objects, as types listed in Table 3. All these objects have C/O ratios very close to unity and the metal oxide bands vary very ... See full document

... Following Figure 2.5, the coordinates of new candidate protoplanetary disks are shown in blue; known young stellar objects YSOs recovered by the color selection process as detailed in Se[r] ... See full document

... photodissociation is sufficiently large, the atmosphere can be pushed out of thermochemical equilib- rium (see, e.g., Moses, 2014; Miguel & Kaltenegger, 2014; Hu & Seager, 2014). This effect has been observed in ... See full document

... projection breaks time reversal symmetry. Therefore there are only leptons with negative e charge with its neu- trinos in the 4D space time, and thus the universe does not contain anti-matter symmetry. Incidentally the ... See full document

... Investigations of the polarization of dust thermal emission from the accretion disks of young stars have detected large-scale magnetic field with complex geometry in the disks [3]. Measurements of the magnetic ... See full document

... The objects displaying single peaked Br γ emission (PDS 133, HD 85567, PDS 367 and PDS 69) also show other Hy- drogen recombination lines with similar lineshapes - specifically single peaked H α and Paγ ...other ... See full document

... a young neutron star as a rapidly rotating, isentropic, Newtonian polytrope; we added a small- amplitude seed r-mode and we solved the hydrodynamic equations driven by an effective GR reaction ... See full document

... Intrinsic stellar variability can also be a useful indicator for young stars, which tend to be more spotted and active ...intrinsic stellar variability, the out-of-eclipse rms R magnitude is first ... See full document

... lower-mass young stars, implying a uni fi ed mechanism of shock ionisation applies in jets across most of the protostellar mass spectrum, up to at least ~10 solar ... See full document