Zobrazeno 1 - 10
of 33
pro vyhledávání: '"Ballabio, Giulia"'
Autor:
Xie, Chengyan, Pascucci, Ilaria, Deng, Dingshan, Bajaj, Naman S., Alexander, Richard, Sellek, Andrew, Kospal, Agnes, Ballabio, Giulia, Gorti, Uma
We present JWST/MIRI observations of T~Cha, a highly variable ($\Delta V \sim$3-5\,mag) accreting Sun-like star surrounded by a disk with a large ($\sim 15$\,au) dust gap. We find that the JWST mid-infrared spectrum is signiticantly different from th
Externí odkaz:
http://arxiv.org/abs/2410.00136
Autor:
Sellek, Andrew D., Bajaj, Naman S., Pascucci, Ilaria, Clarke, Cathie J., Alexander, Richard, Xie, Chengyan, Ballabio, Giulia, Deng, Dingshan, Gorti, Uma, Gaspar, Andras, Morrison, Jane
[Ne II] 12.81 $\mu\mathrm{m}$ emission is a well-used tracer of protoplanetary disk winds due to its blueshifted line profile. MIRI-MRS recently observed T Cha, detecting this line along with lines of [Ne III], [Ar II] and [Ar III], with the [Ne II]
Externí odkaz:
http://arxiv.org/abs/2403.09780
Autor:
Bajaj, Naman S., Pascucci, Ilaria, Gorti, Uma, Alexander, Richard, Sellek, Andrew, Morrison, Jane, Gaspar, Andras, Clarke, Cathie, Xie, Chengyan, Ballabio, Giulia, Deng, Dingshan
Understanding when and how circumstellar disks disperse is crucial to constrain planet formation and migration. Thermal winds powered by high-energy stellar photons have long been theorized to drive disk dispersal. However, evidence for these winds i
Externí odkaz:
http://arxiv.org/abs/2403.01060
Autor:
Haworth, Thomas J., Reiter, Megan, O'Dell, C. Robert, Zeidler, Peter, Berne, Olivier, Manara, Carlo F., Ballabio, Giulia, Kim, Jinyoung S., Bally, John, Goicoechea, Javier R., Aru, Mari-Liis, Gupta, Aashish, Miotello, Anna
We present VLT/MUSE Narrow Field Mode (NFM) observations of a pair of disc-bearing young stellar objects towards the Orion Bar: 203-504 and 203-506. Both of these discs are subject to external photoevaporation, where winds are launched from their out
Externí odkaz:
http://arxiv.org/abs/2308.12342
We study the utility of the [OI] 6300$\mathring{\mathrm A}$ forbidden line for identifying and interpreting externally driven photoevaporative winds in different environments and at a range of distances. Thermally excited [OI] 6300$\mathring{\mathrm
Externí odkaz:
http://arxiv.org/abs/2211.13064
Autor:
Haworth, Thomas J., Kim, Jinyoung S., Qiao, Lin, Winter, Andrew J., Williams, Jonathan P., Clarke, Cathie J., Owen, James E., Facchini, Stefano, Ansdell, Megan, Kama, Mikhel, Ballabio, Giulia
We used the Atacama Pathfinder Experiment (APEX) telescope to search for CI 1-0 (492.16GHz) emission towards 8 proplyds in NGC 1977, which is an FUV radiation environment two orders of magnitude weaker than that irradiating the Orion Nebular Cluster
Externí odkaz:
http://arxiv.org/abs/2203.03928
Autor:
Haworth, Thomas J., Kim, Jinyoung S., Winter, Andrew J., Hines, Dean C., Clarke, Cathie J., Sellek, Andrew D., Ballabio, Giulia, Stapelfeldt, Karl R.
A recent survey of the inner $0.35\times0.35$pc of the NGC 2024 star forming region revealed two distinct millimetre continuum disc populations that appear to be spatially segregated by the boundary of a dense cloud. The eastern (and more embedded) p
Externí odkaz:
http://arxiv.org/abs/2012.09166
Autor:
Ballabio, Giulia, Dipierro, Giovanni, Veronesi, Benedetta, Lodato, Giuseppe, Hutchison, Mark, Laibe, Guillaume, Price, Daniel J.
We describe a new implementation of the one-fluid method in the SPH code Phantom to simulate the dynamics of dust grains in gas protoplanetary discs. We revise and extend previously developed algorithms by computing the evolution of a new fluid quant
Externí odkaz:
http://arxiv.org/abs/1803.03279
Autor:
Price, Daniel J., Wurster, James, Tricco, Terrence S., Nixon, Chris, Toupin, Stéven, Pettitt, Alex, Chan, Conrad, Mentiplay, Daniel, Laibe, Guillaume, Glover, Simon, Dobbs, Clare, Nealon, Rebecca, Liptai, David, Worpel, Hauke, Bonnerot, Clément, Dipierro, Giovanni, Ballabio, Giulia, Ragusa, Enrico, Federrath, Christoph, Iaconi, Roberto, Reichardt, Thomas, Forgan, Duncan, Hutchison, Mark, Constantino, Thomas, Ayliffe, Ben, Hirsh, Kieran, Lodato, Giuseppe
We present Phantom, a fast, parallel, modular and low-memory smoothed particle hydrodynamics and magnetohydrodynamics code developed over the last decade for astrophysical applications in three dimensions. The code has been developed with a focus on
Externí odkaz:
http://arxiv.org/abs/1702.03930
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